634 Series High-Pressure Shutoff Valves

634 Series High-Pressure Shutoff Valves Types 634 and 634M high-pressure shutoff valves serve to provide overpressure protection by containment. The Type 634 shutoff valve with internal registration is installed between a pressure reducing regulator and a downstream system or equipment. The Type 634M shutoff 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)