Piping Class D2A
Piping Class Spec

Gate Valves — Piping Class D2A

The gate valves specification for piping class D2A (ASME Class 600, Sour / H₂S Service - NACE MR0175 Compliant Carbon Steel, Class 600) — body, trim, seat, end connection and rating, ready to quote.

What is the gate valves spec for piping class D2A?

Piping class D2A (ASME Class 600) covers Sour / H₂S Service - NACE MR0175 Compliant Carbon Steel, Class 600 with a Carbon Steel ASTM A352 LCC (Low Temperature CS) with NACE MR0175/ISO 15156 Compliance body material and 3mm corrosion allowance, rated for 99.3 bar (1440 psi) at 38°C (100°F) at -46°C to +425°C (-51°F to +797°F). The gate valves specification for this class is below.

TypeRatingBodyTrimSeatEnd Conn.
Gate ValveClass 600A352 LCC (NACE)SS316 / 13Cr (Trim 12)SS316 HF (22 HRC max per wetted parts)RTJ Flanged (ASME B16.5)
  • -Gate Valve: API 600, NACE MR0175 compliant; H2S service declaration

Vajra Gate Valves

Robust gate valves for full-flow isolation and on-off service in various industrial systems.

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Other valves in piping class D2A

Gate Valves in other piping classes

Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026

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