VT Series
3-Way On/Off and Shut-off Valves
DVTXX2016X012
Specifications
For other materials or modifications, please consult TESCOM.
OPERATING PARAMETERS
Pressure rating per criteria of ANSI/ASME B31.3
Operating Pressure
3500 psig / 241 bar
Body: Brass, 316 Stainless Steel
Seat: Tefzel® ETFE, CTFE
6000 psig / 414 bar
Body: Brass
Seat: Vespel®, PEEK
10,000 psig / 690 bar
Body: 316 Stainless Steel
Seat: Vespel®, PEEK
Design Proof Pressure
150% maximum rated
Leakage
Internal: Bubble-tight
External: Bubble-tight
TESCOM VT Series 3-way air-operated valve provides
high cycle life in a compact design.
Operating Temperature
See Part Number Selector
Flow Capacity
Cv = 0.75
Applications
Actuation Pressure
Minimum: 80 psig / 5.5 bar
Maximum: 110 psig / 7.6 bar
• Two source selector valve
• Component pressure cycle testing
• Fill and dump applications (e.g. airbag canister
filling, gas spring filling)
MEDIA CONTACT MATERIALS
• Emergency shutoff
Body
Brass, 316 Stainless Steel
• Pneumatic and hydraulic applications
Metallic Trim
316 Stainless Steel, 17-4 Stainless Steel, Brass (Brass bodies only)
Seat
Tefzel® ETFE, CTFE, PEEK, Vespel®
Features and Benefits
• 1/4" and 3/8" ports
O-Ring
Buna-N, Kalrez®, Viton®, Ethylene Propylene (E.P.), Urethane
Back-up Rings
Teflon® for CTFE and Tefzel® seats
CTFE for PEEK and Vespel® seats
• Cv = 0.75
• Balanced main valve
• Solenoid valve is optional
• 2 position, 3-way
• Leak tight integrity - Class VI shutoff (bubble-tight)
OTHER
Weight
5 lbs / 2.3 kg
Teflon®, Kalrez®, Tefzel®, Vespel® and Viton® are registered trademarks of
E.I. du Pont de Nemours and Company.
www.tescom.com
NON-ACTUATED
PORT 1 CLOSED, PORT 2 & 3 OPEN
SECTION A
-A
1/8 NPTF ON STANDARD
VT Series 3-Way Valve Drawing
PORT LOCATION
4.88 [124]
OPTIONAL SOLENOID
VALVE
2.0 [51]
OPTIONAL SOLENOID
2.0VALVE
[51]
PORT LOCATION
DOME SUPPLY
DOME
SUPPLY
1/8 NPTF
1/8 NPTF
PORT
2
PORT
1 ACTUATED
NON-ACTUATED
NON-ACTUATED ACTUATED
PORT 1 CLOSED
PORT 3 CLOSED
PORT 1 CLOSED
PORT 3 CLOSED
PORT 2 &PORT
3 OPEN
PORT 1 & 2 OPEN
2 & 3 OPEN
PORT 1 & 2 OPEN
SECTION A
-A
1.87 [47]
NON-ACTUATED
NON-ACTUATED
PORT 1 CLOSED,
PORT 2 & 3 OPEN
PORT 1 CLOSED, PORT 2 & 3 OPEN
SECTION
SECTION A - A 1/8 NPTF ON STANDARD
1/8 NPTF ON STANDARD
B-B
SECTION
B-B
ø 2.23 [57]
MOUNTING HOLE
3/8-16 UNC
0.35 [9] MIN THD
4.88 [124]
4.88 [124]
B
PORT
2
PORT
1
PORT
2
A
PORT
3
PORT
1
1.87 [47]
1.87 [47]
PORT
3
A
B
ø 2.23 [57]
B
B
MOUNTING HOLE
3/8-16 UNC
0.35 [9] MIN THD
ø 2.23 [57]
B
MOUNTING HOLE
3/8-16A UNC
0.35 [9] MIN THD
A
B
A
A
All dimensions are reference & nominal
Metric [millimeter] equivalents are in brackets
A
B
B
2
A
A
A
B
B
A
NON-ACTUATED
PORT 1 CLOSED, PORT 2 & 3 OPEN
SECTION A
-A
SECTION
B-B
1/8 NPTF ON STANDARD
VT Series 3-Way Valve DrawingPORT LOCATION
PORT
2
2.0 [51]
OPTIONAL SOLENOID
VALVE
DOME SUPPLY
1/8 NPTF
4.88 [124]
PORT LOCATION
DOME SUPPLY
1/8 NPTF
NON-ACTUATED
RT 1 CLOSED, PORT 2 & 3 OPEN
1.87 [47]
PORT
NON-ACTUATED PORT ACTUATED
PORT 1 CLOSED 1 PORT 3 CLOSED
PORT 2 & 3 OPEN
PORT 1 & 2 OPEN
NON-ACTUATED
PORT 1 CLOSED
PORT 2 & 3 OPEN
ACTUATED 3
PORT 3 CLOSED
PORT 1 & 2 OPEN
NON-ACTUATED
PORT 1 CLOSED, PORT 2 & 3 OPEN
SECTION A
SECTION
-A
SECTION
B - B 1/8 NPTF ON STANDARD
B-B
STANDARD
ø 2.23 [57]
B
B
4.88 [124]
MOUNTING HOLE
3/8-16 UNC
0.35 [9] MIN THD
PORT
2
PORT
A
1
1.87 [47]
A
PORT
1
PORT
3
A
A
PORT
3
B
B
ø 2.23 [57]
B
A
A
OUNTING HOLE
8-16 UNC
0.35 [9] MIN THD
A
A
B
All dimensions are reference & nominal
Metric [millimeter] equivalents are in brackets
B
A
B
MOUNTING HOLE
3/8-16 UNC
0.35 [9] MIN THD
B
A
A
3
B
VT Series 3-Way Valve Part Number Selector
Repair Kits, Accessories & Modifications may be available for this product. Please contact TESCOM for more information.
Example for selecting a part number:
VT
6
BASIC
SERIES
BODY
MATERIAL
VT
1 – Brass
6 – 316
Stainless
Steel
AB
SEAT
MATERIAL
O-RING
MATERIAL
AB – Tefzel® ETFE
Buna-N
AK – Tefzel® ETFE
Kalrez®
AV – Tefzel ETFE
Viton
AE – Tefzel® ETFE
E.P.
AU – Tefzel® ETFE
Urethane
CB – CTFE
Buna-N
CK – CTFE
Kalrez®
CV – CTFE
Viton®
®
MAXIMUM
OPERATING
PRESSURE
-40°F to 165°F
-40°C to 74°C
Brass body
3500 psig
241 bar
20°F to 250°F
-7°C to 121°C
®
CE – CTFE
E.P.
CU – CTFE
Urethane
PB – PEEK
Buna-N
PK – PEEK
Kalrez®
PV – PEEK
Viton®
PE – PEEK
E.P.
PU – PEEK
Urethane
VB – Vespel®
Buna-N
VK – Vespel®
Kalrez®
VV – Vespel®
Viton®
VE – Vespel®
E.P.
VU – Vespel®
Urethane
OPERATING
TEMPERATURE
316 Stainless
Steel body
3500 psig
241 bar
-15°F to 250°F
-26°C to 121°C
-40°F to 250°F
-40°C to 121°C
9
A
A
A
OPTIONS
1
PORT
LOCATION
SIZE AND TYPE
2
PORT
LOCATION
SIZE AND TYPE
3
PORT
LOCATION
SIZE AND TYPE
A – 1/4" NPTF
A – 1/4" NPTF
A – 1/4" NPTF
C – 3/8" NPTF
C – 3/8" NPTF
C – 3/8" NPTF
E – 1/4" SAE
E – 1/4" SAE
E – 1/4" SAE
J – 3/8" SAE
J – 3/8" SAE
J – 3/8" SAE
9 – None
C – CCL
V – Solenoid valve
24 Volt DC
W – Solenoid valve
12 Volt DC
-40°F to 165°F
-40°C to 74°C
-40°F to 165°F
-40°C to 74°C
Brass body
3500 psig
241 bar
20°F to 165°F
-7°C to 74°C
316 Stainless
Steel body
3500 psig
241 bar
-15°F to 165°F
-26°C to 74°C
-40°F to 165°F
-40°C to 74°C
-40°F to 165°F
-40°C to 74°C
-40°F to 165°F
-40°C to 74°C
Brass body
6000 psig
414 bar
20°F to 250°F
-7°C to 121°C
316 Stainless
Steel body
10,000 psig
690 bar
-15°F to 250°F
-26°C to 121°C
-40°F to 250°F
-40°C to 121°C
-40°F to 165°F
-40°C to 74°C
-40°F to 165°F
-40°C to 74°C
Brass body
6000 psig
414 bar
20°F to 250°F
-7°C to 121°C
316 Stainless
Steel body
10,000 psig
690 bar
-15°F to 250°F
-26°C to 121°C
-40°F to 250°F
-40°C to 121°C
-40°F to 165°F
-40°C to 74°C
WARNING! Do not attempt to select, install, use or maintain this product until you have read and fully understood the TESCOM Safety,
Installation and Operation Precautions.
DVTXX2016X012 © 2012 Emerson Process Management Regulator Technologies, Inc. All rights reserved. 05/2012.
Tescom, Emerson Process Management, and the Emerson Process Management design are marks of one of the Emerson Process
Management group of companies. All other marks are the property of their respective owners.
www.tescom.com
4