Wellhead Surface Safety Valve
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Key Features
- Prompt open/close control
- Remotely operatedwith a high safety performance
- PR2 gate valve with along service life
- Used as a master valve or a wing valve.
- Recommended for use in high pressure and/or large bore applications
Wellhead Surface Safety Valve
Shengji wellhead surface safety valve is a reverse acting gate valve with hydraulically actuated compressed piston actuator mounted on it.
The surface safety valve (SSV) is designed to be a fail-safe and fail-close gate valve. SSV is mostly used on high pressure wellhead and X-mas tree, H2S wellhead and X-mas tree, offshore wellhead and X-mas tree and etc. as a master valve and/or wing valve.
It is operated by a remote emergency shutdown device. It will automatically close with the loss of control pressure and will open automatically when the control pressure is restored.
| Rated working pressure（psi） | 3000,5000,10000,15000 |
| Nominal diameter（in） | 2 1/16,2 9/16,3 1/8, 4 |
| Production specification level | PSL1 PSL2 PSL3 PSL3G PSL4 |
| Performance rate | PR1 PR2 |
| Material class | AA BB CC DD EE FF |
| Actuator oil cylinder pressure(in) | 3000, 5000 |