Piping Class A3A
Piping Class Spec
Gate Valves — Piping Class A3A
The gate valves specification for piping class A3A (ASME Class 600, High Pressure - Refinery, HP Steam, Oil & Gas to 100 bar) — body, trim, seat, end connection and rating, ready to quote.
What is the gate valves spec for piping class A3A?
Piping class A3A (ASME Class 600) covers High Pressure - Refinery, HP Steam, Oil & Gas to 100 bar with a Carbon Steel ASTM A216 WCB body material and 3mm corrosion allowance, rated for 100 bar (1450 psi) at Up to 400°C (752°F). The gate valves specification for this class is below.
| Type | Rating | Body | Trim | Seat | End Conn. |
|---|---|---|---|---|---|
| Gate Valve | Class 600 | A216 WCB | Stellite-6 HF | Stellite-6 HF | RF or RTJ (ASME B16.5) |
- -Gate Valve: API 600, OS&Y, pressure seal or bolted bonnet
Vajra Gate Valves
Robust gate valves for full-flow isolation and on-off service in various industrial systems.
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Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026
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