Gate Valves — Piping Class C1A
The gate valves specification for piping class C1A (ASME Class 150, Alloy Steel - High Temperature Steam and HP Service) — body, trim, seat, end connection and rating, ready to quote.
What is the gate valves spec for piping class C1A?
Piping class C1A (ASME Class 150) covers Alloy Steel - High Temperature Steam and HP Service with a 1¼Cr-½Mo (ASTM A217 WC6) or 2¼Cr-1Mo (A217 WC9) body material and 3mm corrosion allowance, rated for 19.6 bar (285 psi) at ambient; derated per P-T tables above 400°C at Up to 565°C (1050°F). The gate valves specification for this class is below.
| Type | Rating | Body | Trim | Seat | End Conn. |
|---|---|---|---|---|---|
| Gate Valve | Class 150–600 (P-T derated) | A217 WC6 / WC9 | 13Cr / Stellite-6 | Stellite-6 HF | RF or BW (ASME B16.25) |
- -Gate Valve: OS&Y, pressure-seal bonnet for Class 600+
Vajra Gate Valves
Robust gate valves for full-flow isolation and on-off service in various industrial systems.
See the full Gate Valves rangeOther valves in piping class C1A
Gate Valves in other piping classes
Connected Engineering
Need gate valves to piping class C1A?
Send your valve schedule — we supply all gate valves to C1A specification (body, trim, seat, rating) with full certification and a 24-hour quote.