SSV-S400H — Safety Shut-Off Valve
SSV-S400H is available in NPS 1-1/2”~ NPS 4”, Class1500.
Application
It is an automatic shut-off appliance, suitable for installation as safety device in regulating stations and gas well distribution piping.
In a typical gas pressure regulating station the sequence is: Station inlet → Filtration → Regulation → Metering → Outlet.
Technical specification
| Item | Value |
|---|---|
| Application | It is an automatic shut-off appliance, suitable for installation as safety device in regulating stations and gas well distribution piping |
| Execution Standards | EN 14382 |
| Nominal Size | NPS 1-1/2”~ NPS 4” |
| Nominal Pressure | Class1500 |
| Connection | Flange |
| Ambient Temperature | -73°C~+70°C (can be customized) |
| Overpressure Cutting Accuracy | Upto+1% (AG1) |
| Seat Leakage | FCI 70-2 Class VI / ISO 5208 Rate A |
| Response Time | <0.5S |
| Optional Configuration | Under-pressure monitoring Remote control Position transmitter |
| Materials | Body Forged steel LF2, etc Trim Duplex stainless steel, etc |
Figures as printed in the 2025 catalogue. Final data is confirmed per project.
Design standards
Designed to EN 14382, as stated in the 2025 catalogue.
Reference projects
- 2023 — DN800 CLASS600 control valves for Shenyang Branch of the China National Oil and Gas Large Flow Calibration Station
- 2022 — Zhongwei Station II, Middle Section of PipeChina West-East Gas Pipeline III – DN600 Class900 natural gas pressure control system
- 2019 — China-Russia East-route Natural Gas Pipeline
Project references are taken from the PetroBest 2025 group catalogue.
Frequently asked questions
What sizes is the SSV-S400H available in?
NPS 1-1/2”~ NPS 4”.
What pressure classes does the SSV-S400H cover?
Class1500.
Which standard is the SSV-S400H built to?
EN 14382.
What materials are used in the SSV-S400H?
Body Forged steel LF2, etc Trim Duplex stainless steel, etc
Request a quotation
Send the design conditions, medium, flow rate and pressure range, and we will return a technical proposal and a price.