Piping Class A5A
Piping Class Spec
Check Valves — Piping Class A5A
The check valves specification for piping class A5A (ASME Class 1500, Ultra-High Pressure - HP Wellhead, Gas Transmission, Subsea to 247 bar) — body, trim, seat, end connection and rating, ready to quote.
What is the check valves spec for piping class A5A?
Piping class A5A (ASME Class 1500) covers Ultra-High Pressure - HP Wellhead, Gas Transmission, Subsea to 247 bar with a Carbon Steel ASTM A216 WCB / A105N Forged body material and 3mm corrosion allowance, rated for 247 bar (3584 psi) at Up to 400°C (752°F). The check valves specification for this class is below.
| Type | Rating | Body | Trim | Seat | End Conn. |
|---|---|---|---|---|---|
| Check Valve | Class 1500 | A216 WCB | Inconel / Stellite-6 HF | Stellite-6 HF | RTJ Flange or BW |
- -Check Valve: Piston lift or tilting disc; pressure-seal cover
Vajra Check Valves
Non-return valves to prevent backflow and protect equipment in piping systems.
See the full Check Valves rangeOther valves in piping class A5A
Check Valves in other piping classes
Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026
Connected Engineering
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