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Regulator JSAV Overpressure Shut-off Valve

  • Senses excess pressure downstream from the pressure regulator
  • Broad adjusting range for the response pressure
  • Low pressure loss
  • Vent pipe may not be required
  • CE certified models available
  • Requires use of VSBV safety relief valve
Overpressure Shut-off Valve JSAV 50 to 100

Learn More:
Description   Documentation   Ordering Information   Accessories

Ordering Information

Model and Description Model Connection Pressure Test Point Max inlet pressure Price Cart
JSAV 25TN40-0
Connection: 1″ NPT internal thread; Pressure Test point: No; Max Inlet pressure: 60 psig (4 bar)
JSAV 25TN40-0 1″ NPT internal thread No 60 psig (4 bar) Contact Us Not available for online purchase.
JSAV 40TN40-3
Connection: 1½″ NPT internal thread; Pressure Test point: Screw at Inlet and Outlet; Max Inlet pressure: 60 psig (4 bar)
JSAV 40TN40-3 1½″ NPT internal thread Screw at Inlet and Outlet 60 psig (4 bar) Contact Us Not available for online purchase.
JSAV 50TA40-0
Connection: 2″ ANSI flange; Pressure Test point: No; Max Inlet pressure: 60 psig (4 bar)
JSAV 50TA40-0 2″ ANSI flange No 60 psig (4 bar) Contact Us Not available for online purchase.
JSAV 80TA40-0
Connection: 3″ ANSI flange; Pressure Test point: No; Max Inlet pressure: 60 psig (4 bar)
JSAV 80TA40-0 3″ ANSI flange No 60 psig (4 bar) Contact Us Not available for online purchase.
JSAV 100TA40-0
Connection: 4″ ANSI flange; Pressure Test point: No; Max Inlet pressure: 60 psig (4 bar)
JSAV 100TA40-0 4″ ANSI flange No 60 psig (4 bar) Contact Us Not available for online purchase.

All JSAV models are set at the factory to 1.7 psig (120 mbar).

For all other configurations Contact Combustion 911

Description

Use the JSAV to protect against high pressure for valves downstream from a gas regulator. The gas supply is shut off if the downstream pressure exceeds the spring setpoint of the over pressure shut-off valve. It is suitable for natural gas, clean coke oven gas, and LPG.

The VSBV is a safety relief valve that reduces temporary pressure surges caused by fluctuations in system operation downstream from the pressure reducing regulator. It is required for use with the Regulator JSAV Overpressure Shut-off Valve.

Accessories

Model and Description Price Cart
JSAV 25/40 SPRING 01
Spring 7-24 " w.c. (18-60 mbar), black
Contact Us Not available for online purchase.
JSAV 25/40 SPRING 03
Spring 0.9-1.6 psi (60-110 mbar), red
Contact Us Not available for online purchase.
JSAV 25/40 SPRING 04
Spring 1.5-3 psi (100-210 mbar), d-green
Contact Us Not available for online purchase.
JSAV 25/40 SPRING 05
Spring 2.9-5.1 psi (200-350 mbar), yellow
Contact Us Not available for online purchase.
JSAV 25/40 SPRING 06
Spring 4.1-7.3 psi (280-500 mbar), white
Contact Us Not available for online purchase.
JSAV 50-100 SPRING 01
Spring 0.5-1 psi (35-70 mbar), l-blue
Contact Us Not available for online purchase.
JSAV 50-100 SPRING 02
Spring 0.9-2.5 psi (60-170 mbar), red/brown
Contact Us Not available for online purchase.
JSAV 50-100 SPRING 03
Spring 1.7-3.2 psi (120-220 mbar), violet
Contact Us Not available for online purchase.
JSAV 50-100 SPRING 04
Spring 2.8-5.8 psi (190-400 mbar), orange/yellow
Contact Us Not available for online purchase.
JSAV 50-100 SPRING 05
Spring 4.4-8 psi (300-550 mbar), orange/green
Contact Us Not available for online purchase.

Comes standard with purchase of corresponding JSAV model.

For all other parts Contact Combustion 911

 
 

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