Surface safety valve

Surface Safety Valve

The surface safety valve is a hydraulic control normally closed gate valve, which is installed in the upstream of the test choke manifold and controlled by ESD console. 

It loads the Driving pressure, opens the valve, releases the Driving pressure and closes the valve.

Main technical parameters

Main diameter specification:  4 1/16", 3 1/16", 2 9/16", 2 1/16"

Working pressure: 21MPa(3000Psi),  35MPa(5000Psi), 70MPa(10000Psi), 105MPa(15000Psi)

Working temperature: P~U(-29C~121C) 

Material grade: AA, BB, CC, DD, EE,FF,HH 

Product specification level: PSL3 

Performance requirement: PR2 

Driving pressure: 3000Psi, 6000Psi

Applicable media: oil, natural gas, mud, hydrogen sulfide 

Connection type: flange or (3" or 2") fig 1502 Union