GRUNDFOS DATA BOOKLET
CRN20-03 A-FGJ-G-E-HQQE 3x400D 50 HZ
Grundfos Pump 96500570
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Qty. Description
1
CRN 20-3 A-FGJ-G-E-HQQE
Note! Product picture may differ from actual product
Product No.: 96500570
Vertical, multistage centrifugal pump with suction and discharge ports on same the level (in-line)
enabling installation in a horizontal one-pipe system. Pump materials in contact with the liquid are in
high-grade stainless steel. A cartridge shaft seal ensures high reliability, safe handling and easy
service and access. Power transmission is via a split coupling. Pipework connection is via combined
DIN-ANSI-JIS flanges.
The pump is fitted with a 3-phase, fan-cooled asynchronous motor.
Further product details
The product carries the Grundfos Blueflux® label. It represents the best from Grundfos within
energy-efficient motors and frequency converters. Grundfos Blueflux® solutions either meet or
exceed legislative requirements such as the EuP IE3 grade.
Steel, cast iron and aluminium components have an epoxy-based coating made in a cathodic
electro-deposition (CED) process. CED is a high-quality dip-painting process where an electrical
field around the products ensures deposition of paint particles as a thin, well-controlled layer on the
surface. An integral part of the process is a pretreatment. The entire process consists of these
elements:
1) Alkaline-based cleaning.
2) Zinc phosphating.
3) Cathodic electro-deposition.
4) Curing to a dry film thickness 18-22 my m.
The colour code for the finished product is NCS 9000/RAL 9005.
Pump
A standard split coupling connects the pump and motor shaft. It is enclosed in the pump head/motor
stool by means of two coupling guards.
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The pump head and flange for motor mounting is made in one piece (cast iron). The pump head cover is a
separate component (stainless steel). The pump head has a combined 1/2" priming plug and air vent screw.
The pump is fitted with a balanced O-ring seal unit with rigid torque transmission system. This seal
type is assembled in a cartridge unit which makes replacement safe and easy. Due to the balancing,
this seal type is suitable for high-pressure applications. The cartridge construction also protects the
pump shaft from possible wear from a dynamic O-ring between pump shaft and shaft seal.
Primary seal:
- Rotating seal ring material: Silicon carbide (SiC)
- Stationary seat material: Silicon carbide (SiC)
This material pairing is used where higher corrosion resistance is required. The high hardness of
this material pairing offers good resistance against abrasive particles.
Secondary seal material: EPDM (ethylene-propylene rubber)
EPDM has excellent resistance to hot water. EPDM is not suitable for mineral oils.
The shaft seal is screwed into the pump head.
The chambers and impellers are made of stainless steel sheet. The chambers are provided with a
PTFE neck ring offering improved sealing and high efficiency. The impellers have smooth surface,
and the shape of the blades ensure a high efficiency.
The pump has a stainless steel base mounted on a separate base plate. The base and base plate
are kept in position by the tension of the staybolts which hold the pump together. The discharge side
of the base has a drain plug. The pump is secured to the foundation by four bolts through the base
plate. The flanges are fastened to the base by means of locking rings.
Motor
The motor is a totally enclosed, fan-cooled motor with principal dimensions to IEC and DIN
standards. The motor is flange-mounted with tapped-hole flange (FT).
Motor mounting designation in accordance with IEC 60034-7: IM B 14 (Code I) / IM 3601 (Code II).
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Qty. Description
Electrical tolerances comply with IEC 60034.
The motor efficiency is classified as IE3 in accordance with IEC 60034-30.
The motor has thermistors (PTC sensors) in the windings in accordance with DIN 44081/DIN 44082.
The protection reacts to both slow- and quick-rising temperatures, e.g. constant overload and stalled
conditions.
Thermal switches must be connected to an external control circuit in a way which ensures that the
automatic reset cannot cause accidents. The motors must be connected to a motor-protective circuit
breaker according to local regulations.
The motor can be connected to a variable speed drive for adjustment of pump performance to any
duty point. Grundfos CUE offers a range of variable speed drives. Please find more information in
Win-/WebCAPS.
Technical data
Liquid:
Pumped liquid:
Liquid temperature range:
Liquid temp:
Density:
Water
253 .. 393 K
293 K
998.2 kg/m³
Technical:
Speed for pump data:
Rated flow:
Rated head:
Shaft seal:
Approvals on nameplate:
Curve tolerance:
2917 rpm
21 m³/h
34.6 m
HQQE
CE,TR
ISO 9906:1999 Annex A
Materials:
Pump housing:
Impeller:
Stainless steel
DIN W.-Nr. 1.4408
ASTM A 351 CF 8M
Stainless steel
DIN W.-Nr. 1.4401
AISI 316
Installation:
Maximum ambient temperature: 333 K
Max pressure at stated temp:
25 bar / 120 °C
25 bar / -20 °C
Flange standard:
DIN
Pipe connection:
DN 50
Pressure stage:
PN 16
Flange size for motor:
FT130
Electrical data:
Motor type:
IE Efficiency class:
Number of poles:
Rated power - P2:
Power (P2) required by pump:
Mains frequency:
Rated voltage:
Rated current:
Printed from Grundfos CAPS [2013.03.059]
112MC
IE3
2
4 kW
4 kW
50 Hz
3 x 380-415 D V
7.9 A
3/9
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Qty. Description
Starting current:
Cos phi - power factor:
Rated speed:
Efficiency:
Motor efficiency at full load:
Motor efficiency at 3/4 load:
Motor efficiency at 1/2 load:
Enclosure class (IEC 34-5):
Insulation class (IEC 85):
1000-1110 %
0,87-0,87
2920-2940 rpm
IE3 88,1%
88,1-88,1 %
88,6-88,2 %
85,2-88,1 %
55 (Protect. water jets/dust)
F
Others:
Label:
Grundfos Blueflux
Minimum efficiency index, MEI ≥: 0.7
Net weight:
64 kg
Gross weight:
86 kg
Shipping volume:
0.12 m3
Printed from Grundfos CAPS [2013.03.059]
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-
96500570 CRN 20-3 50 Hz
H
[m]
CRN 20-3, 3*400 V, 50Hz
eta
[%]
Pumped liquid = Water
Liquid temperature = 293 K
Density = 998.2 kg/m³
45
40
35
30
25
100
20
80
15
60
10
40
5
20
0
0
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
Q [m³/h]
P
[kW]
NPSH
[m]
4.0
3.5
3.0
16
P1
P2
14
12
2.5
10
2.0
8
1.5
6
1.0
4
0.5
2
0.0
0
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Product name:
Product No:
EAN number:
Value
CRN 20-3 A-FGJ-G-E-HQQE
96500570
5700396204468
Lenntech BV - lenntech.com
info@lenntech.com
+31 15 2610900
+31 15 2616289
-
H
[m]
CRN 20-3, 3*400 V, 50Hz
45
Pumped liquid = Water
Liquid temperature = 293 K
Density = 998.2 kg/m³
40
eta
[%]
35
60
10
40
5
20
0
0
0
5
10
15
20
25
NPSH
[m]
P1
3
0
65
120.5
215
248
18.5 x 21.8
130
200
300
G 1/2
G 1/2
G 1/2
L3
L2
L1
+T
TO AMPLIFIER
RELAY
+T
TO AMPLIFIER
RELAY
+T
L1
+T
L2
L3
+T
112MC
IE3
2
4 kW
4 kW
50 Hz
3 x 380-415 D V
7.9 A
1000-1110 %
0,87-0,87
2920-2940 rpm
IE3 88,1%
88,1-88,1 %
88,6-88,2 %
85,2-88,1 %
55 (Protect. water jets/dust)
F
PTC
85U15413
0
+T
Electrical data:
Motor type:
IE Efficiency class:
Number of poles:
Rated power - P2:
Power (P2) required by pump:
Mains frequency:
Rated voltage:
Rated current:
Starting current:
Cos phi - power factor:
Rated speed:
Efficiency:
Motor efficiency at full load:
Motor efficiency at 3/4 load:
Motor efficiency at 1/2 load:
Enclosure class (IEC 34-5):
Insulation class (IEC 85):
Motor protec:
Motor No:
5
220
Water
253 .. 393 K
293 K
998.2 kg/m³
10
1
134
Liquid:
Pumped liquid:
Liquid temperature range:
Liquid temp:
Density:
15
IEC TP211 THERMALLY PROTECTED WHEN THE THERMISTORS ARE
Flange standard:
Connect code:
Pipe connection:
Pressure stage:
Flange size for motor:
333 K
25 bar / 120 °C
25 bar / -20 °C
DIN
FGJ
DN 50
PN 16
FT130
P2
2
CONNECTED TO AMPLIFIER RELAY FOR CONTROL OF MAIN SUPPLY
THERMISTORS PTC ACCORDING TO DIN 44082
Stainless steel
DIN W.-Nr. 1.4408
ASTM A 351 CF 8M
Stainless steel
DIN W.-Nr. 1.4401
AISI 316
G
E
Q [m³/h]
P
[kW]
372
Installation:
Maximum ambient temperature:
Max pressure at stated temp:
80
15
463
Material code:
Code for rubber:
100
20
90
Impeller:
25
26
Materials:
Pump housing:
30
2917 rpm
21 m³/h
34.6 m
03
HQQE
CE,TR
ISO 9906:1999 Annex A
03
A
A
127
165
Technical:
Speed for pump data:
Rated flow:
Rated head:
Impellers:
Shaft seal:
Approvals on nameplate:
Curve tolerance:
Stages:
Pump version:
Model:
Others:
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Description
Value
Label:
Minimum efficiency index, MEI ≥:
Net weight:
Gross weight:
Shipping volume:
Grundfos Blueflux
0.7
64 kg
86 kg
0.12 m3
Printed from Grundfos CAPS [2013.03.059]
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96500570 CRN 20-3 50 Hz
134
372
220
463
G 1/2
G 1/2
18.5 x 21.8
130
200
300
26
165
90
127
G 1/2
65
120.5
215
248
Note! All units are in [mm] unless others are stated.
Disclaimer: This simplified dimensional drawing does not show all details.
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Lenntech BV - lenntech.com
info@lenntech.com
+31 15 2610900
+31 15 2616289
-
96500570 CRN 20-3 50 Hz
+T
+T
TO AMPLIFIER
RELAY
L1
+T
L2
+T
L3
+T
TO AMPLIFIER
IEC TP211 THERMALLY PROTECTED WHEN THE THERMISTORS ARE
CONNECTED TO AMPLIFIER RELAY FOR CONTROL OF MAIN SUPPLY
THERMISTORS PTC ACCORDING TO DIN 44082
+T
RELAY
L1
L2
L3
Note! All units are in [mm] unless others are stated.
Printed from Grundfos CAPS [2013.03.059]
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Disclaimer: The information about the Grundfos pump in this document may be outdated.
Data may be subject to alterations without further notice.
Please contact us to verify the data above is still accurate/up-to-date.
All information is copyright Grundfos.
info@lenntech.com
www.lenntech.com
tel. +31-15-261.09.00
fax. +31-15-261.62.89