Features

• Overpressure Protection without Discharge of Gas

• Positive Shutoff

• Application Versatility

• Easy Maintenance

Body Sizes and End Connection Styles

3/4 or 1-inch 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: InternalType 634M: External

Temperature Capabilities

-40 to 180°F (-40 to 82°C)

Options

• One bleed valve in side tapping in upstream half of body

• Two bleed valves in side tappings in both upstream and downstream halves of body

Approximate Weight

10 lbs (4 kg)