Fisher Types 634 and 634M high-pressure shut-off valves serve to provide overpressure protection by containment. Type 634 shut-off valve with internal registration is installed between a pressure reducing regulator and a downstream system or equipment. Type 634M shut-off valve with external registration requires a control line and is installed upstream of a pressure reducing regulator.
Features
- Overpressure Protection without Discharge of Gas
- Positive Shutoff
- Application Versatility
- Easy Maintenance
- Body Sizes and End Connection Styles
- 3/4 or 1 NPT
- Maximum Inlet Pressure
- 1500 psig / 103 bar
- Maximum Outlet (Casing) Pressure
- Type 634: 150 psig / 10,3 bar
Type 634M: 1500 psig / 103 bar
- Pressure Registration
- Type 634: Internal
Type 634M: External
- Temperature Capabilities
- -40° to 180°F / -40° to 82°C
- Approximate Weight
- 10 pounds / 4 kg
