ELECTRIC FURNACES
ELECTRIC OVENS
KETTLES & MELTERS
MELTERS
Designing and Manufacturing Electrically Heated Process
Equipment SINCE 1927
ELECTRIC
HEATING ELEMENTS
F&F ® HEATING
HEATING ELEMENTS & RACKS
PLUG HEATERS
HEATERS
ELECTRIC JACKETS
OIL IMMERSION AND
FINTUBE HEATERS
WATER IMMERSION
HEATER
I MMERSION H EATERS
F INTUBE H EATERS
STRIP HEATERS
S TRIP H EATERS
CERAMIC RING
HEATERS
CONVEYOR OVENS & FURNACES
CARTRIDGE HEATERS
TUBULAR
HEATERS
C ARTRIDGE H EATERS
T UBULAR H EATERS
HOT PLATES
201 Leverington Avenue, Philadelphia, PA 19127
Toll Free: 800.544.TRENT
Website: www.trentheat.com
1-2004
Fax: 215.482.9389
E-mail: trentheat@aol.com
H OT P LATES
C ERAMIC R ING H EATERS
Bulletin - 90
201 Leverington Avenue
Philadelphia, PA 19127
Phone: 215.482.5000
Fax:
215.482.9389
Website: www.trentheat.com
E-mail:
trentheat@ aol.com
TABLE OF CONTENTS
PAGE
BULLETIN 90 - ELECTRIC HEATING ELEMENTS
1-2004
Water Immersion Heaters
2
Oil Immersion Heaters
5
Fintube Heaters
7
Strip Heaters
8
Cartridge Heaters
10
Tubular Heaters
12
Hot Plates
14
Ceramic Ring Heaters
15
Temperature Conversion Table
16
-i-
Bulletin - 90
201 Leverington Avenue
Philadelphia, PA 19127
Phone: 215.482.5000
Fax:
215.482.9389
Website: www.trentheat.com
E-mail:
trentheat@aol.com
WATER IMMERSION
HEATERS
TRENT Water Immersion Heaters are designed to give years of trouble-free service as long as they are completely covered with liquid and used on correct voltage.
CONSTRUCTION:
All TRENT Screw Plug Water Immersion Heaters are furnished with brass heads (National Pipe Thread) to which a brass
or copper sheath is silver soldered. The helically coiled heating element is supported in the tube/s by ceramic cores and/or
the highest grade dielectric filler material material.
The RA and RB Series come standard with a 4” octagonal outlet box. RA-Series heaters have a 1” pipe thread, and 1”
copper tube. RB-Series heaters have a 1-1/4” pipe thread, and 1” or 1-1/4” diameter copper tubing. Both series have
ceramic cores which support the coiled heating element. A Cap with BX connectors can be supplied upon request.
E - TERMINAL BOX
G - PIPE THREAD
F - NUMBER OF TUBES
1”
C
B
D
A
RA or RB SERIES
HEATERS
The TRS and TS Series use a dielectric material to support the coiled heating elements and the heater tubes are pressed
to increase thermal conductivity. TRS Series heaters come standard with a 4” octagonal terminal box, a 2” pipe thread and
are supplied with two (2) hairpin, copper tubes, nominally 1/2” in diameter. TS Series heaters are standard with a 6” square
terminal box, a 2-1/2” pipe thread, and three (3) 1/2” diameter hairpin, copper tubes (designed for 240 and 480 volt, three
phase).
E - TERMINAL BOX
G - PIPE THREAD
F - NUMBER OF TUBES
C
J
A
D
TS or TRS SERIES
HEATERS
The SWF Series have a flanged head rated either
150# or 300#. In the 3” size, three (3) hairpin tubular heaters are silver soldered to the flange. In the
5” size, the number of tubular heaters is increased
to six (6), while in the 8” size the number in
increased to 18 heaters. All heaters come with a
standard type terminal box, large enough to accommodate the number of tubular elements mounted to
the flange.
B
H - NUMBER OF TUBES
G - NUMBER
OF HOLES
E
COLD LENGTH 3”
F - HOLE
DIA.
D
C
B
A
SWF SERIES
HEATERS
1-2004
-2-
Bulletin - 90
201 Leverington Avenue
Philadelphia, PA 19127
Phone: 215.482.5000
Fax:
215.482.9389
Website: www.trentheat.com
E-mail:
trentheat@aol.com
WATER IMMERSION
HEATERS
TABLE LEGEND:
A - OVERALL LENGTH
B - LENGTH TO PIPE BUSHING NUT
C - TUBE LENGTH
D - BUSHING HEAD NUT
E - TERMINAL BOX SIZE
F - NUMBER OF TUBES
G - PIPE THREAD SIZE
J - TERMINAL BOX HEIGHT
E - TERMINAL BOX
E - TERMINAL BOX
G - PIPE THREAD
G - PIPE THREAD
F - NUMBER OF TUBES
F - NUMBER OF TUBES
1”
C
C
B
D
J
A
B
A
D
RA or RB SERIES
HEATERS
TS or TRS SERIES
HEATERS
RA SERIES - 1" O.D. Tube - 1" Pipe Thread
WATTS
300
500
750
1000
1250
1500
Voltage*
120
240
Model Num ber
RA
RA
RA
RA
RA
RA
-
13
15
17
101
112
115
RA
RA
RA
RA
RA
RA
-
23
25
27
201
212
215
Dim ensions
W.P.S.I
17.4
28.4
28.0
37.5
34.6
33.0
A
10-3/4"
10-3/4"
13-3/4"
13-3/4"
16-3/4"
19-3/4"
B
7"
7"
10"
10"
13"
16"
BBBBBB-
C
3/4"
3/4"
3/4"
3/4"
3/4"
3/4"
D
1-3/4"
1-3/4"
1-3/4"
1-3/4"
1-3/4"
1-3/4"
E
4" OCT.
4" OCT.
4" OCT.
4" OCT.
4" OCT.
4" OCT.
F
1
1
1
1
1
1
G
1"
1"
1"
1"
1"
1"
J
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/2"
11"
11"
14"
14"
17"
20"
20"
7"
7"
10"
10"
13"
16"
16"
BBBBBBB-
3/4"
3/4"
3/4"
3/4"
3/4"
3/4"
3/4"
1-3/4"
1-3/4"
1-3/4"
1-3/4"
1-3/4"
1-3/4"
1-3/4"
4" OCT.
4" OCT.
4" OCT.
4" OCT.
4" OCT.
4" OCT.
4" OCT.
1
1
1
1
1
1
1
1-1/4"
1-1/4"
1-1/4"
1-1/4"
1-1/4"
1-1/4"
1-1/4"
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/8"
1-1/8"
1-1/8"
1-1/8"
1-1/8"
1-1/8"
2-1/2"
2-1/2"
2-1/2"
2-1/2"
2-1/2"
2-1/2"
4" OCT.
4" OCT.
4" OCT.
4" OCT.
4" OCT.
4" OCT.
2
2
2
2
2
2
2"
2"
2"
2"
2"
2"
2-1/8"
2-1/8"
2-1/8"
2-1/8"
2-1/8"
2-1/8"
E
6" SQ.
6" SQ.
6" SQ.
6" SQ.
6" SQ.
6" SQ.
F
3
3
3
3
3
3
G
2-1/2"
2-1/2"
2-1/2"
2-1/2"
2-1/2"
2-1/2"
RB SERIES - 1¼" O.D. Tube - 1¼" Pipe Thread
500
750
1000
1250
1500
2000
2500
RB - 15
RB - 17
RB - 101
RB - 112
RA - 115
RA - 122
RA - 125
RB - 25
RB - 27
RB - 201
RB - 212
RA - 215
RA - 222
RA - 225
21.2
31.8
28.4
35.4
31.9
34.0
42.5
TRS SERIES - 2 Tubes - 2" Pipe Thread
2000
TRS - 1252
TRS - 2252
50.0
12"
2500
TRS - 1272
TRS - 2272
50.0
13"
3000
TRS - 1352
TRS - 2352
50.0
14"
4000
TRS - 1452
TRS - 2452
50.0
18"
5000
TRS - 2552
50.0
21"
6000
TRS - 2652
50.0
24"
*Single or Three Heat, w ithout sw itch, or Three Phase Open Delta.
10"
11"
12"
16"
19"
22"
BBBBBB-
TS SERIES - 3 Tubes - 2½" Pipe Thread
Voltage
WATTS
120
240
480
Model Num ber
3000
TS - 133
TS - 233
4000
TS - 143
TS - 243
5000
TS - 253
6000
TS - 263
7500
TS - 273
9000
TS - 293
*Single Phase or Three Phase Open Delta
1-2004
TS TS TS TS TS TS -
433
443
453
463
473
493
Dim ensions
W.P.S.I.
40
40
40
40
40
40
A
14-1/2"
17-1/2"
20-1/2"
23-1/2"
26-1/2"
29-1/2"
-3-
B
11"
14"
17"
20"
23"
26"
C
B - 1"
B - 1"
B - 1"
B - 1"
B - 1"
B - 1"
D
1-3/4"
1-3/4"
1-3/4"
1-3/4"
1-3/4"
1-3/4"
J
2-1/8"
2-1/8"
2-1/8"
2-1/8"
2-1/8"
2-1/8"
Bulletin - 90
201 Leverington Avenue
Philadelphia, PA 19127
Phone: 215.482.5000
Fax:
215.482.9389
Website: www.trentheat.com
E-mail:
trentheat@aol.com
WATER IMMERSION
HEATERS
TABLE LEGEND
A - OVERALL LENGTH
B - IMMERSED LENGTH
C - FLANGE THICKNESS
D - SPAN BETWEEN OPPOSING
FLANGE HOLES
E - TERMINAL BOX DIMENSIONS
F -FLANGE HOLE DIAMETER
G - NUMBER OF FLANGE HOLES
H - NUMBER OF TUBES
SWF SERIES - Standard-150# or 300# Pipe Flange
kW
240
Voltage*
480
550
W.P.S.I.
Model Num ber
3 Inch Standard Pipe Flange
SWF Series Other Dimensions
Dim ensions
A
B
6.0
7.5
9.0
12
15
18
SWF - 3060
SWF - 3075
SWF - 3090
SWF - 3012
-
SWF - 3060
SWF - 3060 42.5
SWF - 3075
SWF - 3075 43.0
SWF - 3090
SWF - 3090 47.5
SWF - 3012
SWF - 3012 45.5
SWF - 3015
SWF - 3015 43.3
SWF - 3018
SWF - 3018 42.5
5 Inch Standard Pipe Flange
25-1/2"
29"
32"
37-1/2"
46-1/2"
54-1/2"
19"
22-1/2"
25-1/2"
31"
40"
48"
24
30
SWF - 5024
-
SWF - 5024
SWF - 5024 40.0
SWF - 5030
SWF - 5030 39.0
8 Inch Standard Pipe Flange
36"
42-1/2"
29-1/2"
36"
32-1/2"
42-1/2"
48-1/2"
25-1/2"
35-1/2"
41-1/2"
50
SWF - 8050
SWF - 8050
75
SWF - 8075
SWF - 8075
100
* Three Phase Open Delta
SWF - 8050
SWF - 8075
SWF - 8100
46.5
39.5
44.0
C
D
E
F
G
H
3"
150 # 300 #
FLANGE SIZE
5"
150 # 300 #
15/16" 1-1/8"
6"
6-5/8"
7-1/2" 8-1/4"
3/4"
7/8"
4
8
3
3
15/16"
8-1/2"
10"
7/8"
8
6
8"
150 #
300 #
1-3/8" 1-1/8" 1-5/8"
9-1/4" 11-3/4"
13"
11" 13-1/2"
15"
7/8"
7/8"
1"
8
8
12
6
18
18
SWF SERIES
HEATERS
H - NUMBER OF TUBES
G - NUMBER
OF HOLES
E
COLD LENGTH 3”
F - HOLE
DIA.
C
D
B
A
SELECTING THE APPROPRIATE HEATER
HEATER
CASING
WATTAGE
Watts Density
(W.P.S.I.)
Rinse Tank, using w ater and
solutions that w ill not attack
copper
As Rated
40/50
Steel
Alkali --- Cleaning Tanks --Okite, etc. or liquids that w ill
not attack steel
As Rated
Steel or
Stainless
Steel
Pitch
Asphalt
Grease
Steel or
Stainless
Steel
Wax
Paraffin
Vegetable Oils
Stainless
Steel
Electro-plating solutions.
Copper
1-2004
MATERIAL TO BE HEATED
{
{
40/50
Use Stainless if Derate Standard
any free acids
heater 75%
are present
10/12
Use Stainless if Derate Standard
any free acids
heater 75%
are present
20/22
As Rated
40/50
-4-
S P E C I A L F E AT U R E S
AND OPTIONS
RA-RB-TRS-TS SERIESS t a i n l e s s S t e e l H e a d & Tu b i n g .
Explosion Proof Heads.
S p e c i a l Wa t t a g e s & Vo l t a g e s .
SWF SERIESE x p l o s i o n P r o o f o r Va p o r R e s i s t a n t
Te r m i n a l E n c l o s u r e s .
S p e c i a l H i g h Te m p e r a t u r e & P r e s s u r e
Gasket.
S p e c i a l Wa t t a g e s & Vo l t a g e s
Special Alloy Flange or Sheath.
Bulletin - 90
OIL IMMERSION &
FINTUBE HEATERS
201 Leverington Avenue
Philadelphia, PA 19127
Phone: 215.482.5000
Fax:
215.482.9389
Website: www.trentheat.com
E-mail:
trentheat@aol.com
TRENT Oil Immersion Heaters are designed to give years of trouble-free service when the tubes are completely covered
with fluid, used on correct voltage and kept free of carbonization. These heaters listed as having watt densities (W.P.S.I.)
of 16-22 are designed for use with heat transfer oil and have a maximum operating temperature of 550° F. Those heaters
having lower W.P.S.I. are designed for use with Bunker C fuel oil preheaters and line and suction heaters with a maximum
operating temperature of 250° F.
CONSTRUCTION:
TYPICAL USES
FOR OIL PREHEATING,
OIL BATHS,
OTHER HEAT
TRANSFER FLUIDS,
SOME GASES.
All TRENT Oil Immersion Heaters are constructed with steel heads and tubing.
The TRO, TSO and TSOL Series use a dialectric material to support the coiled
heating elements and the heater tube is pressed to increase thermal conductivity. FO Series Fintube Heaters include coiled resistance heating elements that
are inserted in refractories. Powered refractory is used to fill intervening spaces
to readily transmit heat to the aluminum, finned, tubular casing.
The TRO Series have two (2) tubular heater tubes and come standard with a 4”
octagonal outlet box, a 2” pipe thread, and can be supplied for single heat, three
heat, or three phase open delta.
The TSO and TSOL Series have three (3) ½” diameter tubular heating
elements, a steel head with a 2½” pipe thread, and come standard with a
6” square terminal box. These heaters can be supplied for three phase
240, 480, or 550 volts.
TRO,TSO or TSOL
The FO Series heaters have a 7½” O.D. - 150# or 300# aluminum flange,
HEATERS
to which a longitudinal, finned, aluminum tubing is welded. The longintudinal fins increase the surface area, thus lowering the watts per square inch (W.P.S.I.), and enabling a higher KW to be
used in a shorter length. Heaters are supplied complete with a 6” square outlet box. Heaters are available in three phase
240, 480 and 550 volts with optional vapor resistant or explosion proof terminal boxes. Other flange sizes are also available.
Companion pipe assemblies are available as an optional feature for some models immersion heaters
FO HEATER with explosion
proof terminal box
SEE NEXT TWO PAGES FOR TABLES OF STANDARD SIZES AND SPECIFICATIONS
1-2004
-5-
Bulletin - 90
201 Leverington Avenue
Philadelphia, PA 19127
Phone: 215.482.5000
Fax:
215.482.9389
Website: www.trentheat.com
E-mail:
trentheat@aol.com
OIL IMMERSION
HEATERS
STANDARD SIZES AND SPECIFICATIONS
TABLE LEGEND
A - OVERALL LENGTH
B - LENGTH TO PIPE BUSHING HEX NUT
C - TUBE LENGTH
D - PIPE BUSHING HEX NUT
E - TERMINAL BOX SIZE
F - NUMBER OF TUBES
G - NPT SIZE
L - COMPANION PIPE ASSEMBLY LENGTH
J - CENTER SPREAD OF COMPANION PIPE OUTLETS
CONSTRUCTION:
All TRENT Oil Immersion Heaters are constructed with steel heads and
tubing. The TRO, TSO and TSOL Series use a dialectric material to support the coiled heating elements and the heater tube is pressed to increase
thermal conductivity.
COMPANION PIPE ASSEMBLIES
TRO,TSO or TSOL HEATERS
(STEEL ONLY)
E - TERMINAL BOX
L
G - PIPE THREAD
F - NUMBER OF TUBES
2-½”
C
2-1/8”
J
B
A
D
TRO Series - 2 Tubes
1-½”
22 W.P.S.I. 150 lbs Pressure
Voltage*
kW
120
1
1.5
2
2.5
3
4
5
6
TRO 1101
TRO 1151
TRO 1201
TRO 1251
TRO 1301
TRO 1401
TRO 1501
TRO 1601
240
550
Model Num ber
TSO Series - 3 Tubes
3
4
5
6
7.5
9
TSO 2303
TSO 2403
TSO 2503
TSO 2603
TSO 2753
TSO 2903
TSOL 2303
TSOL 2403
TSOL 2503
TSOL 2603
TSOL 2753
TSOL 2903
B
11"
14"
17"
21"
23"
32"
39"
46"
Dim ensions
C
1-1/16"
1-1/16"
1-1/16"
1-1/16"
1-1/16"
1-1/16"
1-1/16"
1-1/16"
D
2-1/2"
2-1/2"
2-1/2"
2-1/2"
2-1/2"
2-1/2"
2-1/2"
2-1/2"
E
4" OCT.
4" OCT.
4" OCT.
4" OCT.
4" OCT.
4" OCT.
4" OCT.
4" OCT.
F
2
2
2
2
2
2
2
2
G
2" NPT
2" NPT
2" NPT
2" NPT
2" NPT
2" NPT
2" NPT
2" NPT
Catalog No.
L
J
BBBBBBBB-
BBBBBB-
1-3/16"
1-3/16"
1-3/16"
1-3/16"
1-3/16"
1-3/16"
3"
3"
3"
3"
3"
3"
6" SQ.
6" SQ.
6" SQ.
6" SQ.
6" SQ.
6" SQ.
3
3
3
3
3
3
2-1/2" NPT
2-1/2" NPT
2-1/2" NPT
2-1/2" NPT
2-1/2" NPT
2-1/2" NPT
P-9500
P-9502
P-9504
P-9506
P-9508
P-9510
21"
25"
31"
37"
45"
53"
14"
18"
24"
30"
38"
46"
3"
3"
3"
3"
3"
3"
6" SQ.
6" SQ.
6" SQ.
6" SQ.
6" SQ.
6" SQ.
3
3
3
3
3
3
2-1/2" NPT
2-1/2" NPT
2-1/2" NPT
2-1/2" NPT
2-1/2" NPT
2-1/2" NPT
P-9500-L
P-9502-L
P-9504-L
P-9506-L
P-9508-L
P-9510-L
25"
31"
39"
45"
56"
65"
18"
24-1/2"
32"
38"
49"
58"
22 W.P.S.I. 150 lbs Pressure
TSO 4303
TSO 4403
TSO 4503
TSO 4603
TSO 4753
TSO 4903
TSOL Series - 3 Tubes
3
4
5
6
7.5
9
A
13"
16"
19"
23"
25"
34"
41"
48"
TRO 2101
TRO 2151
TRO 2201
TRO 2251
TRO 2301
TRO 2401
TRO 2501
TRO 2601
Com panion Pipe Assem blies
Dim ensions
TSO 5303
TSO 5403
TSO 5503
TSO 5603
TSO 5753
TSO 5903
20"
24"
30"
36"
44"
52"
17"
21"
27"
33"
41"
49"
16/17 W.P.S.I. 150 lbs Pressure
TSOL 4303
TSOL 4403
TSOL 4503
TSOL 4603
TSOL 4753
TSOL 4903
TSOL 5303
TSOL 5403
TSOL 5503
TSOL 5603
TSOL 5753
TSOL 5903
24"
30"
38"
44"
55"
64"
21"
27"
35"
41"
52"
61"
BBBBBB-
1-3/16"
1-3/16"
1-3/16"
1-3/16"
1-3/16"
1-3/16"
*Single Phase or 3- Phase Open Delta on TRO Series; 3-Phase Open Delta on TSO and TSOL Series.
1-2004
-6-
Bulletin - 90
201 Leverington Avenue
Philadelphia, PA 19127
Phone: 215.482.5000
Fax:
215.482.9389
Website: www.trentheat.com
E-mail:
trentheat@aol.com
FINTUBE HEATERS
TABLE LEGEND
A - TUBE LENGTH (excluding terminal box)
B - IMMERSED LENGTH
C - FIN LENGTH
L - COMPANION PIPE ASSEMBLY LENGTH
J - CENTER SPREAD OF COMPANION PIPE OUTLETS
CONSTRUCTION:
TRENT FO Series Fintube Heaters include coiled resistance heating elements that are inserted in ceramic cores.
Powered refractory is used to fill intervening spaces to readily transmit heat to the aluminum, finned, tubular casing.
Overall size varies with type of terminal box selected. Steel
tubes are also available.
FO HEATER with explosion
proof terminal box
These heaters are designed as fuel oil pre-heaters, or line
and suction heaters, and are rated 250°F. Heaters for Heat Transfer Oil Circulation applications which require higher
W.P.S.I. are also available with a maximum temperature rating of 550°F.
ALUMINUM FINTUBE
7½” - 150 LB. FLANGE
COMPANION PIPE ASSEMBLIES
(STEEL ONLY)
THERMOCOUPLE
PORT
1/2” NPT
2” O.D.
2-7/8” O.D.
3” O.D.
DRAIN
PORT
1/2” NPT
C (FIN LENGTH)
J
15/16”
B
6” x 6” x 3”
TERMINAL BOX
2”
A
L
FO Series (Fintube) - 7½" O.D. Aluminum Flange 150 or 300 Lb. Pressure**
Voltage*
kW
240
480
550
W.P.S.I.
Model Num ber
4
6
7.5
9
12
16
FO 2403
FO 2603
FO 2753
FO 2903
FO 2123
FO 2163
*Three Phase Open Delta.
FO 4403
FO 4603
FO 4753
FO 4903
FO 4123
FO 4163
FO 5403
FO 5603
FO 5753
FO 5903
FO 5123
FO 5163
^Steel Only.
5.95
7.15
7.45
6.70
7.14
7.48
Com panion Pipe Assem blies^
Dim ensions
A
34"
40"
44-½"
58"
69-½"
80-½"
B
30-¼"
36-¼"
42-¼"
54-¼"
66-¼"
78-¼"
Dim ensions
C
25"
31"
37"
49"
61"
73"
Catalog No.
P-602
P-752
P-902
P-1202
P-1602
P-1702
L
35"
41"
47"
59"
71"
83"
J
27-½"
33-½"
39-½"
51-½"
63-½"
75-½"
**Pressure Rating ( 150# or 300#) must be specified.
S P E C I A L F E AT U R E S A N D O P T I O N S *
S t a i n l e s s S t e e l H e a t e r s Av a i l a b l e i n T R O , T S O a n d T S O L M o d e l s
E x p l o s i o n P r o o f & Va p o r R e s i s t a n t Te r m i n a l E n c l o s u r e s O p t i o n a l .
S p e c i a l Wa t t a g e s & Vo l t a g e s .
C o m p a n i o n P i p e A s s e m b l i e s Av a i l a b l e i n S o m e M o d e l s .
*Consult Factory
1-2004
-7-
Bulletin - 90
201 Leverington Avenue
Philadelphia, PA 19127
Phone: 215.482.5000
Fax:
215.482.9389
Website: www.trentheat.com
E-mail:
trentheat@ aol.com
STRIP HEATERS
TRENT Strip Heaters are a general utility heating unit concentrating the heat where required.
These heaters are
designed for standard and special process machines, ovens, dryers, kettles and plastic process equipment.
CONSTRUCTION:
TRENT Strip Heaters are manufactured with steel or stainless tubes without grooves to alleviate distortion when under
heat. The ends are pressed tight and sealed, rendering the entire casing moisture resistant.
Terminals assemblies consist of high grade ceramic blocks with substantial bolts securely locked in position in all types
except the L Series. The L Series heaters have stainless steel terminal block with mica insulation. (See illustration below).
Steel Strip Heaters
Stainless Steel Strip Heaters
TYPE L - Strip Heaters
750°F Maximum Safe Surface Temperature
Voltage
Length
Watts
8"
12
18
24
24
30
36
42
48
55
65
72
150
250
350
250
500
750
1000
1200
1300
1500
1700
2000
120
240
Model Num ber
L - 4811
L - 4112
L - 4122
L - 4113
L - 4123
L - 4212
L - 4222
L - 4215
L - 4225
L - 4313
L - 4323
L - 4311
L - 4321
L - 4411
L - 4421
L - 4413
L - 4423
L - 4511
L - 4521
L - 4611
L - 4621
L - 4722
Watts
Density
(W.P.S.I.)*
16
11
9
4
8
10
10
10
10
10
9
10
1/2
1/2
1-5/16
5/16
1/2
1-9/16
7/8
2-3/4
10-32 THREAD
7/16
1”
9/32
TYPE LE - Strip Heaters
750°F Maximum Safe Surface Temperature
Length
Watts
8"
12
18
24
24
30
36
42
48
55
65
72
150
250
350
250
500
750
1000
1200
1300
1500
1700
2000
Voltage
120
240
Model Num ber
LE - 7811
LE - 7821
LE - 7112
LE - 7122
LE - 7113
LE - 7123
LE - 7212
LE - 7222
LE - 7215
LE - 7225
LE - 7317
LE - 7327
LE - 7311
LE - 7321
LE - 7411
LE - 7421
LE - 7413
LE - 7423
LE - 7511
LE - 7521
LE - 7611
LE - 7621
LE - 7722
Watts
Density
(W.P.S.I)*
16
11
9
4
8
10
10
10
10
10
9
10
1/2
1-5/16
5/16
1-7/8
1/4-20 THREAD
CERAMIC TERMINAL BLOCK
7/16
1”
9/32
* Watts Per Square Inch
OVENS, DRYERS, KETTLES,
PLASTICS PROCESS EQUIPMENT,
etc.
USED IN:
1-2004
1/2
1-1/2
-8-
Bulletin - 90
201 Leverington Avenue
Philadelphia, PA 19127
Phone: 215.482.5000
Fax:
215.482.9389
Website: www.trentheat.com
E-mail:
trentheat@ aol.com
STRIP HEATERS
TYPE H - Strip Heaters
TYPE HE - Strip Heaters
304 Stainless Steel Sheath
1300°F Maximum Safe Surface Temperature
Length
Watts
8"
12
18
21
24
24
24
30
36
42
48
54
60
66
72
200
350
500
500
500
750
1000
1000
1500
1500
1750
1900
2100
2400
2600
Voltage
120
240
Model Num ber
H - 5821
H - 5135
H - 5136
H - 5116
H - 5126
H - 5215
H - 5225
H - 5216
H - 5226
H - 5217
H - 5227
H - 5211
H - 5221
H - 5310
H - 5320
H - 5311
H - 5321
H - 5411
H - 5421
H - 5413
H - 5423
H - 5452
H - 5612
H - 5622
H - 5722
304 Stainless Steel Sheath
1300°F Maximum Safe Surface Temperature
Watts
Density
(W.P.S.I)*
21
16
12
10
8
13
17
13
15
13
13
12
12
13
13
1/2
Length
Watts
8"
12
18
21
24
24
24
30
36
42
48
54
60
66
72
200
350
500
500
500
750
1000
1000
1500
1500
1750
1900
2100
2400
2600
Voltage
120
240
Model Num ber
HE - 8821
HE - 8135
HE - 8136
HE - 8116
HE - 8126
HE - 8215
HE - 8225
HE - 8216
HE - 8226
HE - 8217
HE - 8227
HE - 8211
HE - 8221
HE - 8310
HE - 8320
HE - 8311
HE - 8321
HE - 8411
HE - 8421
HE - 8413
HE - 8423
HE - 8452
HE - 8612
HE - 8622
HE - 8722
Watts
Density
(W.P.S.I)*
21
16
12
10
8
13
17
13
15
13
13
12
12
13
13
1/2
1/2
1-11/32
5/16
1-11/32
5/16
1/2
1-9/16
1/2
1-1/2
7/8
1-7/8
1/4-20 THREAD
2-3/4
1/4-20 THREAD
CERAMIC TERMINAL BLOCK
CERAMIC TERMINAL BLOCK
7/16
7/16
9/32
1”
9/32
1”
TYPE LW - Strip Heaters
TYPE HW - Strip Heaters
750°F Maximum Safe Surface Temperature
1300°F Maximum Safe Surface Temperature
Length
Watts
5 1/2"
8
12
18
24
24
30
36
125
175
250
350
500
500
750
1000
*
atts perPer
squar
e inch
*WWatts
Square
Voltage
120
240
Model Num ber
LW LW LW LW LW LW LW LW -
2511
2811
2112
2131
2136
2118
2318
2311
LW LW LW LW LW LW LW -
2821
2122
2132
2137
2128
2328
2321
Watts
Density
(W.P.S.I.)*
23
14
10
8
10
8
10
10
Length
Watts
5 1/2"
8
12
18
24
24
30
36
250
400
350
500
750
750
1250
1500
Voltage
120
240
Model Num ber
HW - 3511
HW - 3814
HW - 3824
HW - 3817
HW - 3827
HW - 3116
HW - 3126
HW - 3217
HW - 3227
HW - 3231
HW - 3232
HW - 3321
HW - 3322
HW - 3316
HW - 3326
Watts
Density
(W.P.S.I.)*
46
32
14
11
14
10
15
15
Inch
1/2
480 VOLT STRIP HEATERS
1-11/32
5/16
TRENT Strip Heaters are available for direct 480 Volt line
service operation. Types of L, LE, H and HE series
heaters may be ordered at 480 Volt rating at additional
charge.
1/2
1-7/8
8-32 THREAD
CERAMIC TERMINAL BLOCK
7/16
NOTE: Types LW and HW Series Heaters are specifically
not available for 480 Volt ratings.
1-2004
9/32
1”
-9-
Bulletin - 90
CARTRIDGE HEATERS
201 Leverington Avenue
Philadelphia, PA 19127
Phone: 215.482.5000
Fax:
215.482.9389
Website: www.trentheat.com
E-mail:
trentheat@ aol.com
Cartridge Type Heaters are general utility heating units that enable the concentration of heat where required. These
heaters are designed for standard and special process machines, platens, glue and compound vessels, heating of valves,
pipe lines, plastic forming dies, cigarette and shoe machinery.
CONSTRUCTION:
TRENT Cartridge Heaters are manufactured with brass or steel sheath with end opposite terminals spun in to make a
moisture-resistant heater. Silver soldered moisture proof ends are also available. A heavy duty nickel chromium coil provides the heat and is inserted into a pre-formed ceramic insulator with coils running parallel to the length of the heater.
Terminals are securely anchored in the top of the heater and can be supplied in various styles to meet specific applications (See illustration below).
Fig. A - Pigtails covered
by glass sleeving or
porcelain beads, available in all sizes.
Fig. B - Angle Type Brass using
6/32” screw. (Available on 5/8”
to 3/4” diameter sizes.)
SHEATHED CARTRIDGE HEATERS
Standard sheath is brass or carbon steel, but are also
available in stainless steel on all sizes. Wattages other
than those listed in the
specifications tables on
the following page are
also available. Check
with factory for special
applications.
When the heaters are
mounted in moving
machinery, the pigtail
leads must be securely
fastened to avoid rupturing where they enter the
heater.
Sheathed Cartridge Heaters
Cartridge Heaters are
designed to be used either in direct contact with the
object or material to be heated, or inserted snuggly into
a metal block to conduct the heat from heater and to
prevent overheating. All TRENT cartridge Heaters are
.003” undersize in diameter, except those with a stainless steel sheath which can be up to .015” undersize.
When drilling the hole for a cartridge heater in a block,
the customer should drill a pilot hole completely through
the block and then drill or ream the hole to the exact size
of heater listed.
1-2004
Fig. C - Spade Type Brass using
10/32” screw.
(Available on
15/16” and larger diameter sizes.)
SHEATHLESS CARTRIDGE HEATERS
Sheathless cartridge heaters are used in many applications. This heater has the advantage of faster heat conduction, as no metallic sheath is present to act as a heat
shield. The
lack of a sheath
also eliminates
sheath deterioration and permits operating
temperatures
beyond the limits of sheathed
Sheathless Cartridge Heaters
heaters.
Construction is very simple since the heater is no more
than a ceramic core containing heating element with a
cement seal at the top and bottom. Leads are restricted
to pigtail type (Fig. A above).
Since these heaters are ceramic extrusions, the sizes are
nominal and diameters may vary slightly.
These heaters should not be used in the presence of
liquids as the cores are porous.
To install, drill a hole as close to the heater diameter size
as possible, and pack any void with zircon heat transfer
material.
- 10 -
Bulletin - 90
201 Leverington Avenue
Philadelphia, PA 19127
Phone: 215.482.5000
Fax:
215.482.9389
Website: www.trentheat.com
E-mail:
trentheat@ aol.com
CARTRIDGE HEATERS
The following tables include our standard models. Contact TRENT for other configurations:
Standard Specifications - Steel or Brass Sheath Cartridge Heaters
Model #
K-6
K-8
K-10
K-11
K-20
K-21
K-22
K-23
K-25
K-29
K-30
K-31
K-32
K-33
K-34
K-39
K-300
K-302
K-322
K-303
K-333
K-306
K-326
K-336
K-308
K-318
K-319
K-309
K-320
K-310
K-311
K-312
K-314
K-315
Length
Volts
Diameter 3/8"
1-1/2"
120
1-1/2"
120
2-1/2"
120
2-1/2"
120
Diameter-1/2"
2-1/2"
120 or 240
2-1/2"
120 or 240
2-1/2"
120 or 240
2-1/2"
120 or 240
6"
120 or 240
6"
120 or 240
Diameter 5/8"
2-1/2"
120 or 240
2-1/2"
120 or 240
2-1/2"
120 or 240
2-1/2"
120 or 240
2-1/2"
120 or 240
4"
120 or 240
4"
120 or 240
4-1/2"
120 or 240
4-1/2"
120 or 240
5"
120 or 240
5"
120 or 240
6"
120 or 240
6"
120 or 240
6"
120 or 240
7"
120 or 240
7"
120 or 240
9"
120 or 240
9"
120 or 240
10"
120 or 240
10"
120 or 240
13"
120 or 240
15"
120 or 240
17"
120 or 240
18"
120 or 240
Watts
30
50
50
75
60
75
100
120
150
200
75
90
100
130
150
150
240
150
250
150
300
100
175
350
200
375
300
450
400
500
600
600
600
600
Model #
K-51
K-51
K-51
K-52
K-531
K-53
K-560
K-56
K-58
K-59
K-503
K-504
K-505
K-506
Length
Volts
Diameter 3/4"
2-1/2"
120 or
2-1/2"
120 or
3-1/2"
120 or
3-1/2"
120 or
5"
120 or
5"
120 or
8"
120 or
8"
120 or
10"
120 or
12"
120 or
15"
120 or
16-1/2"
120 or
18"
120 or
22"
120 or
Watts
240
240
240
240
240
240
240
240
240
240
240
240
240
240
100
200
150
250
250
350
350
450
550
600
750
800
900
1000
Custom sizes in special diameters,
lengths, w attages, voltages and sheath
materials are available --- contact
factory.
K-71
K-741
K-74
K-77
K-79
K-791
K-700
K-702
K-704
K-707
K-717
K-709
K-711
K-712
Diameter 15/16"
2-1/2"
120 or 240
3-1/2"
120 or 240
3-1/2"
120 or 240
5"
120 or 240
5"
120 or 240
5"
120 or 240
5"
120 or 240
6"
120 or 240
8"
120 or 240
12"
120 or 240
12"
120 or 240
14"
120 or 240
17"
120 or 240
18-1/2"
120 or 240
275
100
325
100
140
300
450
600
700
425
800
900
1000
1100
Model #
K-820
K-82
K-840
K-84
K-850
K-85
K-86
K-87
K-89
K-800
K-801
K-803
K-93
K-94
K-95
K-96
K-97
K-98
K-99
K-901
K-903
K-010
K-111
K-014
K-115
K-017
K-019
K-020
-
Length
Volts
Diameter 1"
3-1/2"
120 or 240
3-1/2"
120 or 240
5"
120 or 240
5"
120 or 240
6-1/2"
120 or 240
6-1/2"
120 or 240
8"
120 or 240
9 3/4"
120 or 240
12-1/2"
120 or 240
14"
120 or 240
15-1/2"
120 or 240
18-1/2"
120 or 240
Diameter 1-1/4"
3-1/2"
120 or 240
5"
120 or 240
6-1/2"
120 or 240
8"
120 or 240
9-1/4"
120 or 240
10-1/2"
120 or 240
12"
120 or 240
15"
120 or 240
18"
120 or 240
Diameter 1-5/16"
2-1/2"
120 or 240
5"
120 or 240
6"
120 or 240
7"
120 or 240
8"
120 or 240
10"
120 or 240
12"
120 or 240
-
Watts
100
300
250
375
300
500
500
700
800
850
1000
1300
230
325
450
650
700
775
875
1100
1400
200
300
550
750
800
900
1000
-
Sheathed Cartridge
Heaters
TYPICAL
USES
FOR HEATING
Dies, Molds,
Platens,
Sealing
Devices,
Defrosting,
Resistors
*550 volt heaters can be supplied on special factory order.
Standard Specifications - Sheathless Cartridge Heaters
Model #
S-10
S-11
S-12
S-20
S-21
S-22
S-23
S-24
S-30
S-31
S-32
S-33
S-40
S-41
S-42
S-43
S-50
S-51
S-52
S-53
1-2004
Length
Volts
Diameter 5/16"
1-1/2"
120
2"
120
2"
120
Diameter 7/16"
1-1/2"
120 or 240
2"
120 or 240
2"
120 or 240
2'
120 or 240
2"
120 or 240
Diameter 9/16"
1-1/2"
120 or 240
2"
120 or 240
2"
120 or 240
2"
120 or 240
Diameter 11/16"
1-1/2"
120 or 240
2"
120 or 240
2"
120 or 240
2"
120 or 240
Diameter 3/4"
1-1/2"
120 or 240
2"
120 or 240
2"
120 or 240
2"
120 or 240
Watts
30
50
75
50
60
75
100
130
75
100
150
200
75
100
150
200
75
100
150
200
Model #
S-60
S-61
S-62
S-63
S-64
S-65
S-66
S-67
S-68
S-70
S-71
S-72
S-73
S-74
S-75
S-76
S-77
S-78
S-79
S-700
S-701
S-702
-
Length
Volts
Watts
Diameter 29/32"
2'
120 or 240
2-1/2"
120 or 240
3'
120 or 240
3-1/2"
120 or 240
4"
120 or 240
4-1/2"
120 or 240
5"
120 or 240
5-1/2"
120 or 240
6"
120 or 240
Diameter 1-5/32"
3"
120 or 240
3-1/2"
120 or 240
4"
120 or 240
4-1/2"
120 or 240
5"
120 or 240
5-1/2"
120 or 240
6"
120 or 240
6-1/2"
120 or 240
7"
120 or 240
7-1/2"
120 or 240
8"
120 or 240
8-1/2"
120 or 240
9"
120 or 240
-
150
275
300
325
350
400
450
525
600
200
230
250
275
325
375
425
450
500
575
650
675
700
-
- 11 -
Sheathless Cartridge Heaters
SPECIAL FEATURES and OPTIONS*
Silver solder end opposite terminals.
Ceramic beads over bare pigtail wire.
String tie pigtail leads 3/4” above heater seal.
3/4” long protective spring over pigtail leads
above heater seal.
Moisture resistant conduit to contain pigtail
leads.
*CONSULT FACTORY.
Bulletin - 90
201 Leverington Avenue
Philadelphia, PA 19127
Phone: 215.482.5000
Fax:
215.482.9389
Website: www.trentheat.com
E-mail:
trentheat@ aol.com
TUBULAR
HEATERS
CONSTRUCTION:
TRENT Tubular Heaters, or “D” rods, may be used in straight lengths or formed to any required shape. Equipped with threaded fittings, these heaters are ready for installation and use as immersion heaters with oil, water, and corrosive liquids in tanks, kettles, baths,
pots or vessels of any kind. In straight lengths they are readily mounted, and do not require
special machining for installation on platens, dies and extruders for conductive heating. They
are also recommended in ovens with low temperature ranges requiring convection or radiant
Tubular Type heating.
Heaters
TRENT Tubular Heaters are manufactured with a copper, steel or 304 stainless steel sheath. Type of metal used in the sheath and
watts per square inch (W.P.S.I.) are determined by operating conditions. Inside the sheath is a helically coiled, nickel chromium, resistance wire heater coil that is embedded
in magnesium oxide insulating material.
RE
The cross section design of the metal
sheath assures maximum strength and
R
R
RE
RE
rigidity. The tubular design also permits
RE
ready bending and forming to fit a wide
range of applications, without damage
D
to the heating coil or insulation material.
R
ELECTRICAL
RESISTANCE COIL
TERMINAL
PIN
INSULATING
MEDIUM
BENDING RADIUS KEY
R - (Inside Radius)
RE - Edge Bend (Inside Radius)
D - (Inside Diameter)
Customer Minimum Bending
Radius
METAL
SHEATH
Steel &
Stainless
Copper
Steel
Dimensions
1/2"
2"
6"
3/4"
2-1/2"
7"
3-1/2"
4"
ALL DIMENSIONS ARE MINIMUM.
Tubular Heater Terminals are available in three configurations, as shown below, at the buyer’s option. The terminals depicted in Figure
A and Figure B, are brass, with copper and steel sheath elements and stainless steel for alloy sheath elements. Figure C configuration is
an optional threaded fitting which can be supplied at extra charge.
FIG. A
MICA WASHERS OR
RUBBER GROMMET
FIG. B
MICA WASHERS
METAL WASHER
COMPOSITION
WASHER
FIG. C
8-32 THREAD
TYPICAL USES
Heating Liquid in Tanks,
Kettles, Baths, etc.
Heaters for Ovens, Platens,
Dies, Extruders
SEE NEXT PAGE
FOR TABLES OF STANDARD
SIZES AND SPECIFICATIONS
1-2004
10-32 SCREW
FIG. A TYPE
GENERAL INFORMATION
- TRENT Tubular Heaters are available in one standard size, nominally 1/2” O.D.
- Standard sheath materials are copper, steel and alloy.
- Heaters are designed with a minimal sheath length of 12 inches and a
maximum length of 200 inches.
- Heaters are standard with 4” of cold tube length on each end; additional length
of cold end may be added. Consult factory.
- Special lengths and wattages are available. Consult factory.
- Lengths listed are tube lengths; overall length of any heater may be obtained by
adding combined terminal lengths to tube lenghts.
- 12 -
Bulletin - 90
201 Leverington Avenue
Philadelphia, PA 19127
Phone: 215.482.5000
Fax:
215.482.9389
Website: www.trentheat.com
E-mail:
trentheat@ aol.com
TUBULAR
HEATERS
TRENT TUBULAR OR “D” ROD HEATERS -
The following tables provide specifications of our standard models. Call TRENT for other configurations to meet your
requirements:
TUBE LENGTH
L
H
HEATED LENGTH
L minus 8”
COLD LENGTH 4”
COLD LENGTH 4”
3/8”
ROUND CROSS SECTION
D-SHAPED CROSS SECTION
ROUND CROSS SECTION
19/32”
TUBULAR Heaters
Standard Specifications - 1/2" Nominal O.D.
COPPER
50 WATTS PER SQUARE INCH
Maximum Sheath 350°F
Model #
5CU 5CU 5CU 5CU 5CU 5CU 5CU 5CU 5CU 5CU 5CU 5CU 5CU 5CU 5CU 5CU 5CU 5CU 5CU -
16
18
22
28
32
36
40
44
48
54
60
72
78
84
90
96
102
108
120
VOLTS
120
120
120
240
240
240
240
240
240
240
240
480
480
480
480
480
480
480
480
WATTS
675
800
1200
1500
1800
2100
2200
2400
2800
3000
3500
4100
4500
5000
5250
5600
6000
7000
7600
STEEL
20 WATTS PER SQUARE INCH
Maximum Sheath 750°F
Model #
5FE 5FE 5FE 5FE 5FE 5FE 5FE 5FE 5FE 5FE 5FE 5FE 5FE 5FE 5FE 5FE 5FE 5FE 5FE 5FE 5FE 5FE 5FE 5FE 5FE 5FE -
16
18
22
28
32
36
40
44
48
54
60
72
78
84
90
96
102
108
120
132
144
156
168
180
192
204
VOLTS
WATTS
120
120
120
120 or 240
120 or 240
120 or 240
120 or 240
120 or 240
120 or 240
120 or 240
120 or 240
240 or 480
240 or 480
240 or 480
240 or 480
240 or 480
240 or 480
240 or 480
240 or 480
480
480
480
480
480
480
480
300
350
500
750
800
900
1000
1200
1350
1500
1750
2050
2250
2450
2600
2800
3050
3500
3750
4000
4300
4700
5100
5500
5900
6300
304 STAINLESS STEEL
30 WATTS PER SQUARE INCH
Maximum Sheath 1350°F
Model #
5CR 5CR 5CR 5CR 5CR 5CR 5CR 5CR 5CR 5CR 5CR 5CR 5CR 5CR 5CR 5CR 5CR 5CR 5CR 5CR 5CR 5CR 5CR 5CR 5CR 5CR -
16
18
22
28
32
36
40
44
48
54
60
72
78
84
90
96
102
108
120
132
144
156
168
180
192
204
TUBE
LENGTH
VOLTS
WATTS
L
120
120
120
120 or 240
120 or 240
120 or 240
120 or 240
120 or 240
120 or 240
240
240
240 or 480
240 or 480
240 or 480
240 or 480
240 or 480
480
480
480
480
480
480
480
480
480
480
450
540
750
1000
1200
1350
1500
1725
1875
2000
2500
3000
3250
3500
3625
3750
4250
4500
5000
5300
5800
6250
6650
6850
7200
7400
12
14
18
24
28
32
36
40
44
50
56
68
74
80
86
92
98
104
116
128
140
152
164
176
188
200
*550 volt heaters can be supplied on special factory order.
1-2004
- 13 -
Bulletin - 90
201 Leverington Avenue
Philadelphia, PA 19127
Phone: 215.482.5000
Fax:
215.482.9389
Website: www.trentheat.com
E-mail:
trentheat@ aol.com
HOT PLATES
TRENT Hot Plates are heavy duty construction designed for industrial use in both production shops and laboratories.
Typical applications include heating pans and vessels, dehydrating and evaporating, heat treating materials, where applicable, sealing, and many others.
CONSTRUCTION
Each Hot Plate includes a removable 1/4” steel plate work surface, supported by a fabricated, 16- gauge carbon steel casing, which encloses the insulation and heating elements.
.
The heating source is a TRENT Folded and Formed® heater rack which radiates heat to the underside of the work surface. This low watts density heat source produces exceptionally long life and virtually precludes maintenance.
TRENT Hot Plates come with a standard automatic thermostatic control which operates in the range of 0° to 600°F.
HP SERIES - HOT PLATES
STANDARD SIZES AVAILABLE
600°F Maximum Temperature
TYPICAL USES
INCLUDE
Heating Pans
and Vessels,
Dehydrating,
Evaporating,
Heat Treating,
Sealing,
Etc.
Model #
kW
Voltage*
Single Phase
HP-14
HP-24
HP-26
HP-36
HP-46
1.5
3
6
6
6
120
240
240
240
240 or 480
*Not Dual Voltage.
TRENT Hot Plate without cover
12-2003
Overall Size
Work Space
Width Length Height
15"
15"
24"
18"
18"
19"
28"
30"
40"
46"
5"
5"
5"
5"
5"
Width
Length
15"
15"
24"
18"
18"
15"
24"
26"
36"
42"
** Contactor required for 480 Volt Units.
TRENT Hot Plate with cover
- 14 -
Bulletin - 90
201 Leverington Avenue
Philadelphia, PA 19127
Phone: 215.482.5000
Fax:
215.482.9389
Website: www.trentheat.com
E-mail:
trentheat@ aol.com
CERAMIC RING
HEATERS
TRENT Ceramic Ring Heaters have an infinite number of uses, as long as they are operated in a moisture-free environment. These heaters are are commonly used as heating elements for hot plates, glue pots, molds, circular tanks, and coffee urns, among others.
The heat source for TRENT Ceramic Ring Units is a coiled, wire, resistance, heating element that is mounted in a grooved
ceramic plate and embedded in cement to increase the heat transfer characteristics. Maximum operating surface temperatures range from 500° F to 1800°F, depending on how much heat is dissipated.
All sizes are supplied in single heat. Some sizes are available with low, medium and high temperature heat settings.
Electrical terminations are either pigtail or stud type.
RU SERIES - Ceramic Ring Heaters
550 - 1800°F Maximum Operating Surface Temperature
dependent on heat take-away
Model
Ceramic Ring Heater
with Pigtail Leads.
RU-3180-200
RU-3180-250
RU-3180-275
RU-3180-300
RU-3180-350
RU-3180-375
RU-3180-400
RU-3180-500
RU-2341-550
RU-2341-750
RU-2341-900
RU-2608-500
RU-2608-1000
Dim ensions
Diam eter
4"
4"
4"
4"
4"
4"
4"
4"
5-3/4"
5-3/4"
5-3/4"
7-1/2"
7-1/2"
Thickness
3/8"
3/8"
3/8"
3/8"
3/8"
3/8"
3/8"
3/8"
3/4"
3/4"
3/4"
7/8"
7/8"
Watts
Voltage*
200
250
275
300
350
375
400
500
550
750
900
500
1000
120
120
230
120
120
120 or 240
120 or 240
120 or 240
120
120
120
120 or 240
120
* Not Dual Voltage
TYPICAL USED AS
HEATING ELEMENTS
FOR
Hot Plates,
Glue Pots,
Molds,
Circular Tanks,
Coffee Urns,
Etc.
1-2004
- 15 -
Bulletin - 90
201 Leverington Avenue
Philadelphia, PA 19127
Phone: 215.482.5000
Fax:
215.482.9389
Website: www.trentheat.com
E-mail:
trentheat@ aol.com
TEMPERATURE
CONVERSION TABLE
0 to 100°
°C
-17.8
-17.2
-16.7
-16.1
-15.6
-15.0
-14.4
-13.9
-13.3
-12.8
-12.2
-11.7
-11.1
-10.6
-10.0
-9.44
-8.89
-8.33
-7.78
-7.22
-6.67
-6.11
-5.56
-5.00
-4.44
-3.89
-3.33
-2.78
-2.22
-1.67
-1.11
-0.56
0.00
0.56
1.11
1.67
2.22
2.78
3.33
3.89
4.44
5.00
5.56
6.11
6.67
7.22
7.78
8.33
8.89
9.44
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
°F
32.0
33.8
35.6
37.4
39.2
41.0
42.8
44.6
46.4
48.2
50.0
51.8
53.6
55.4
57.2
59.0
60.8
62.6
64.4
66.2
68.0
69.8
71.6
73.4
75.2
77.0
78.8
80.6
82.4
84.2
86.0
87.8
89.6
91.4
93.2
95.0
96.8
98.6
100.4
102.2
104.0
105.8
107.6
109.4
111.2
113.0
114.8
116.6
118.4
120.2
100 to 1000°
C
10.0
10.6
11.1
11.7
12.2
12.8
13.3
13.9
14.4
15.0
15.6
16.1
16.7
17.2
17.8
18.3
18.9
19.4
20.0
20.6
21.1
21.7
22.2
22.8
23.3
23.9
24.4
25.0
25.6
26.1
26.7
27.2
27.8
28.3
28.9
29.4
30.0
30.6
31.1
31.7
32.2
32.8
33.3
33.9
34.4
35.0
35.6
36.1
36.7
37.2
37.8
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
F
122.0
123.8
125.6
127.4
129.2
131.0
132.8
134.6
136.4
138.2
140.0
141.8
143.6
145.4
147.2
149.0
150.8
152.6
154.4
156.2
158.0
159.8
161.6
163.4
165.2
167.0
168.8
170.6
172.4
174.2
176.0
177.8
179.6
181.4
183.2
185.0
186.8
188.6
190.4
192.2
194.0
195.8
197.6
199.4
201.2
203.0
204.8
206.6
208.4
210.2
212.0
C
38
43
49
54
60
66
71
77
82
88
93
99
104
110
116
121
127
132
138
143
149
154
160
166
171
177
182
188
193
199
204
210
216
221
227
232
238
243
249
254
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310
320
330
340
350
360
370
380
390
400
410
420
430
440
450
460
470
480
490
F
212
230
248
266
284
302
320
338
356
374
392
410
428
446
464
482
500
518
536
554
572
590
608
626
644
662
680
698
716
734
752
770
788
806
824
842
860
878
896
914
C
260
266
271
277
282
288
293
299
304
310
316
321
327
332
338
343
349
354
360
366
371
377
382
388
393
399
404
410
416
421
427
432
438
443
449
454
460
466
471
477
482
488
493
499
504
510
516
521
527
532
538
500
510
520
530
540
550
560
570
580
590
600
610
620
630
640
650
660
670
680
690
700
710
720
730
740
750
760
770
780
790
800
810
820
830
840
850
860
870
880
890
900
910
920
930
940
950
960
970
980
990
1000
1000 to 2000°
F
932
950
968
986
1004
1022
1040
1058
1076
1094
1112
1130
1148
1166
1184
1202
1220
1238
1256
1274
1292
1310
1328
1346
1364
1382
1400
1418
1436
1454
1472
1490
1508
1526
1544
1562
1580
1598
1616
1634
1652
1670
1688
1706
1724
1742
1760
1778
1796
1814
1832
C
537
543
548
554
559
565
571
576
582
587
593
598
604
609
615
620
626
632
637
643
648
654
659
665
670
676
682
687
693
698
704
709
715
720
726
731
737
743
748
754
759
765
770
776
781
787
793
798
804
809
F
1832
1850
1868
1886
1904
1922
1940
1958
1976
1994
2012
2030
2048
2066
2084
2102
2120
2138
2156
2174
2192
2210
2228
2246
2264
2282
2300
2318
2336
2354
2372
2390
2408
2426
2444
2462
2480
2498
2516
2534
2552
2570
2588
2606
2624
2642
2660
2678
2696
2714
1000
1010
1020
1030
1040
1050
1060
1070
1080
1090
1100
1110
1120
1130
1140
1150
1160
1170
1180
1190
1200
1210
1220
1230
1240
1250
1260
1270
1280
1290
1300
1310
1320
1330
1340
1350
1360
1370
1380
1390
1400
1410
1420
1430
1440
1450
1460
1470
1480
1490
C
816
821
827
832
838
843
849
854
860
866
871
877
882
888
893
899
904
910
916
921
927
932
938
943
949
954
960
966
971
977
982
988
993
999
1004
1010
1016
1021
1027
1032
1038
1043
1049
1054
1060
1066
1071
1077
1082
1088
1093
2000 to 3000°
1500
1510
1520
1530
1540
1550
1560
1570
1580
1590
1600
1610
1620
1630
1640
1650
1660
1670
1680
1690
1700
1710
1720
1730
1740
1750
1760
1770
1780
1790
1800
1810
1820
1830
1840
1850
1860
1870
1880
1890
1900
1910
1920
1930
1940
1950
1960
1970
1980
1990
2000
F
2732
2750
2768
2786
2804
2822
2840
2858
2876
2894
2912
2930
2948
2966
2984
3002
3020
3038
3056
3074
3092
3110
3128
3146
3164
3182
3200
3218
3236
3254
3272
3290
3308
3326
3344
3362
3380
3398
3416
3434
3452
3470
3488
3506
3524
3542
3560
3578
3596
3614
3632
C
1093
1099
1104
1110
1115
1121
1127
1132
1138
1143
1149
1154
1160
1165
1171
1177
1182
1188
1193
1199
1204
1210
1215
1221
1227
1232
1238
1243
1249
1254
1260
1265
1271
1277
1282
1288
1293
1299
1304
1310
1315
1321
1327
1332
1338
1343
1349
1354
1360
1366
2000
2010
2020
2030
2040
2050
2060
2070
2080
2090
2100
2110
2120
2130
2140
2150
2160
2170
2180
2190
2200
2210
2220
2230
2240
2250
2260
2270
2280
2290
2300
2310
2320
2330
2340
2350
2360
2370
2380
2390
2400
2410
2420
2430
2440
2450
2460
2470
2480
2490
F
3632
3650
3668
3686
3704
3722
3740
3758
3776
3794
3812
3830
3848
3866
3884
3902
3920
3938
3956
3974
3992
4010
4028
4046
4064
4082
4100
4118
4136
4154
4172
4190
4208
4226
4244
4262
4280
4298
4316
4334
4352
4370
4388
4406
4424
4442
4460
4478
4496
4514
C
1371
1377
1382
1388
1393
1399
1404
1410
1415
1421
1427
1432
1438
1443
1449
1454
1460
1465
1471
1477
1482
1488
1493
1499
1504
1510
1515
1521
1527
1532
1538
1543
1549
1554
1560
1565
1571
1577
1582
1588
1593
1599
1604
1610
1615
1621
1627
1632
1638
1643
1649
F
4532
4550
4568
4586
4604
4622
4640
4658
4676
4694
4712
4730
4748
4766
4784
4802
4820
4838
4856
4874
4892
4910
4928
4946
4964
4982
5000
5018
5036
5054
5072
5090
5108
5126
5144
5162
5180
5198
5216
5234
5252
5270
5288
5306
5324
5342
5360
5378
5396
5414
5432
2500
2510
2520
2530
2540
2550
2560
2570
2580
2590
2600
2610
2620
2630
2640
2650
2660
2670
2680
2690
2700
2710
2720
2730
2740
2750
2760
2770
2780
2790
2800
2810
2820
2830
2840
2850
2860
2870
2880
2890
2900
2910
2920
2930
2940
2950
2960
2970
2980
2990
3000
USEFUL ELECTRICAL DATA
r
E
i
i=I
i=I
r
r
e =E
I = 1.73 i
e
r
e =E
i=I
r
i = 1.4 I
i=I
i
e =E
e
I
I
r
r
e =E
E = 1.4 e
r
ST A R (WY E )
DE LT A
3 - P H A SE O P E N
2 - P H A SE 4 WI RE
2 - P H A SE 3 WI RE
P = 3 ei = 1 .7 3 E I
P = 3 ei = 1 .7 3 E I
P =2 * e * i
P =2 * e * i
P =2 * e * i
2
Deg. Fahrenheit = (1.8 x Deg. Centigrade) + 32
Single Phase, W = I * R = E * I
D.C. Amps. = I = W / E
Deg. Centigrade = .555 ( Deg. Fahrenheit - 32)
Three Phase Delta, W = 3 * E * i = 1.73 * E * I
A.C. 1 Phase Amps. = I = W / (E x PF)
1 Gallon Water = 8.3 lbs.
R = E / I; I = E / R; E = I * R;
1 BTU = .252 kg. calories 0.2930 watt hours
Three Phase Wye, W = 3 * e * I = 1.73 * E* I
2
Two Phase 4 Wire, W = 2 * I * R = 2 * E * I
2
Two Phase 3 Wire, W = 2 * I * R = 2 * E * I
1 BTU per lb. = 1.8 calories per gram
Voltage between outside wires = 1.41 * e
1 kW Hour will evaporate 3.5 lb. of water from and at 212°F.
1 kW hour = 3412 BTU's
1 HP = 746 Watts.
1 kW = 1000 Watts
D.C. Amps. = I = E / R
A.C. 3 Phase Amps. = I = W / ( 1.73 (E x PF))
2
2
W = E * I = I * R; W = E / R
A.C. 2 Phase 3 Wire middle Wire Amps. =
Amps. in outside wire x 1.41.
KEY:
1 kW Hour will raise 22.75 of water from 62°F to 212°F.
Wattage varies directly as ratio of voltage squared.
W = Power, Watts
1 Gallon = 231 cubic inches = 3.785 litres = .1337 cubic feet.
The energy put out by a heating unit is measured in watts.
E = Electro Motive Force, Volts PF = Power Factor
1 cubic ft. = 1728 cubic inches = .03704 cubic yards = 7.481 gallons
The power factor is always unity.
I = Current, Amperes
1-2004
R = Resistance, Ohms
201 Leverington Avenue
Philadelphia, PA 19127
Phone:
215.482.5000
Fax:
215.482.9389
Website:
www.trentheat.com
E-mail:
trentheat@ aol.com
SINCE 1927
SOLVE YOUR HEATING PROBLEMS WITH
TRENT Electrically Heated Industrial Equipment &
Folded and Formed® HEATING UNITS
TRENT exposed ribbon type heating elements have proven their advantages wherever
high-temperature, controlled, radiant heat is essential for efficient, low cost process
operations of every type. The TRENT Folded and Formed® heating element is the
heart of TRENT Custom-built Equipment and Heating Units......to assure a greater
radiating surface per square inch of cross-section than any other type of electrical
heating element!
TRENT’S COMPLETE LINE OF ELECTRICALLY HEATED PROCESS EQUIPMENT
AND HEATING ELEMENTS IS FEATURED IN THE FOLLOWING LITERATURE:
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CAPABILITIES BROCHURE
PRODUCT BULLETIN
FOLDED AND FORMED® HEATING ELEMENTS
FOLDED AND FORMED® HEATING UNITS
Folded and Formed® Heating Elements
Folded and Formed® Heater Racks
Plug (Air Duct) Heaters
ELECTRIC FURNACES
ELECTRIC OVENS
ELECTRIC JACKETS
ELECTRIC KETTLES AND MELTERS
ELECTRIC HEATING ELEMENTS
Water Immersion Heaters
Oil Immersion and Fintube Heaters
Strip Heaters
Cartridge Heaters
Tubular Heaters
Hot Plates
Ceramic Ring Heaters
CONVEYOR OVENS AND FURNACES
FOR MORE INFORMATION
INFORMATION about our products,
to request literature, or a quote use one of
the following methods:
CALL
E-MAIL us at
VISIT our WEBSITE at
1.800.544.TRENT
trentheat@aol.com, or
www.trentheat.com
www.trentheat.com
Bulletin - CB
Bulletin - PB
Bulletin - FF
Bulletin - 11
Bulletin - 24
Bulletin - 37
Bulletin - 40
Bulletin - 52/62
Bulletin - 90
Bulletin - C-3
WARRANTY:
Most of our products carry a one-year warranty on material and workmanship.
Exceptions are products used in extreme
heat applications or products determined to
be damaged through improper use or mishandling.
1-2004
FINTUBE QUOTATION INFORMATION FORM
To effectively determine the appropriate Fintube for your needs and respond to your
RFQ, PLEASE COMPLETE AND RETURN THE FOLLOWING QUESTIONAIRE:
CONTACT NAME
TITLE
COMPANY
PHONE
ADDRESS
FAX
20.04
EMAIL
CITY
STATE
Zipcode
YOUR ELECTRICAL RATING REQUIREMENTS:
What ELECTRICAL SERVICE is available?
Voltage
What is your required KW?
Phase
Amps
Hz
KW
FINTUBE DIMENSIONS AND SPECIFICATIONS:
PLEASE REFER TO OUR ELECTRIC HEATING ELEMENTS
BULLETIN 90, page 7 for selected FINTUBE models.
Please Note:
The "Immersed Length" shown below represents
the B dimension, the "Fin Length" is the C dimension,
and the "Overall Tube Length" is the A dimension
in the diagram on page 7 of Bulletin 90.
Also, the sizes listed in the bulletin are common standard
sizes. Please feel free to request alternatives to fit
your needs.
DESIRED FINTUBE DIMENSIONS (in Inches):
Fin Length Immersed Length Overall Tube Length
(excluding Terminal box) What type of FINTUBE do you require?
ALUMINUM
What type of terminal box do you require?
NONE REQUIRED
STANDARD SQUARE 6" x 6" x 3" with Hinged Cover
VAPOR RESISTANT BOX
EXPLOSION PROOF BOX
What Size (Diameter) Flange do you require?
7½" O.D. (Standard)
6" O.D.
5" O.D.
4" O.D.
What Pressure Tolerance must the Flange withstand?
150 Lbs.
Other Options:
Drain Hole
STEEL
300 Lbs.
600 Lbs.
"O" Ring Groove
TRENT, Inc., 201 Leverington Avenue, Philadelphia, PA 19127
Phone: 800-544-TRENT FAX: 215-482-9389 Website: www.trentheat.com
Email: trentheat@aol.com