Gate Valves — Piping Class D1A
The gate valves specification for piping class D1A (ASME Class 150, Sour Service - H₂S Containing Hydrocarbons, NACE MR0175) — body, trim, seat, end connection and rating, ready to quote.
What is the gate valves spec for piping class D1A?
Piping class D1A (ASME Class 150) covers Sour Service - H₂S Containing Hydrocarbons, NACE MR0175 with a Carbon Steel WCB / ASTM A216 with NACE MR0175 hardness control body material and 3mm + NACE hardness limit corrosion allowance, rated for 16 bar (232 psi) at Up to 200°C (392°F). The gate valves specification for this class is below.
| Type | Rating | Body | Trim | Seat | End Conn. |
|---|---|---|---|---|---|
| Gate Valve | Class 150 | A216 WCB (NACE) | 13Cr (NACE limited hardness) | 13Cr HF (≤22 HRC) | RF Flange |
- -Gate Valve: NACE MR0175 compliant; hardness certs required
Vajra Gate Valves
Robust gate valves for full-flow isolation and on-off service in various industrial systems.
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