SSV-Q400 — Pneumatic Cut-Off Ball Valve
SSV-Q400 is available in DN50 ~ DN600 (NPS 2” ~ NPS 24”), Class150 ~ Class900 (PN16 ~ PN150).
Application
It is an automatic cut-off appliance suitable for installation as safety device in regulating stations and industrial pipeline.
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 cut-off appliance suitable for installation as safety device in regulating stations and industrial pipeline |
| Execution Standards | EN 14382 |
| Nominal Size | DN50 ~ DN600 (NPS 2” ~ NPS 24”) |
| Nominal Pressure | Class150 ~ Class900 (PN16 ~ PN150) |
| Connection | Flange -29°C~+70°C Ambient -46°C~+70°C Temperature -59°C~+70°C -73°C~+70°C Overpressure 0 Cutting Accuracy ne |
| Seat Leakage | FCI 70-2 Class VI / ISO 5208 Rate A |
| Response Time | Upto 2s Under-pressure monitoring Position transmitter Body Forged Steel A105,LF2, etc Pilot Cast Steel,Forged steel Ball Forged steel LF2+ENP, etc |
| Materials | Stem Duplex stainless steel,etc |
| Actuator | / Steel,Stainless steel,etc Spring X750,316, etc Seal PEEK,NBR,HNBR, etc |
| Applicable Medium | / Non-corrosive gases such as natural gas etc. 23 |
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-Q400 available in?
DN50 ~ DN600 (NPS 2” ~ NPS 24”).
What pressure classes does the SSV-Q400 cover?
Class150 ~ Class900 (PN16 ~ PN150).
Which standard is the SSV-Q400 built to?
EN 14382.
What materials are used in the SSV-Q400?
Stem 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.