Flowbetter · Control Valves
SSV-A400H Pneumatic Safety Shut-Off Valve
SSV-A400H is available in NPS 4"~ NPS 32", Class150 ~ Class2500.
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It is an automatic shut-off appliance suitable for installation as safety device in regulating stations and gas 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 distribution piping |
| Execution Standards | EN 14382 |
| Nominal Size | NPS 4”~ NPS 32” |
| Nominal Pressure | Class150 ~ Class2500 |
| Connection | Flange |
| Ambient Temperature | -73°C~+70°C (can be customized) |
| Over-pressure Cutting Accuracy | Upto+1% (AG1) |
| Response Time | <2S |
| Optional Configuration | Under-pressure monitoring Remote control Position transmitter |
| Materials | Body Cast steel LCC, etc Trim __ Stainless steel |
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.
Capacity, design conditions and scope of supply are confirmed per project against current drawings.
Questions
What sizes is the SSV-A400H available in?
NPS 4"~ NPS 32".
What pressure classes does the SSV-A400H cover?
Class150 ~ Class2500.
Which standard is the SSV-A400H built to?
EN 14382.
What materials are used in the SSV-A400H?
Body Cast steel LCC, etc Trim __ Stainless steel
Need a ssv-a400h pneumatic safety shut-off valve for your project?
Send the design conditions, medium, flow rate and pressure range. We return a technical proposal and a price.