Piping Class E2A
Piping Class Spec

Gate Valves — Piping Class E2A

The gate valves specification for piping class E2A (ASME Class 300, Cryogenic Service - LNG / LOX / LIN, -46°C to -101°C, Class 300) — body, trim, seat, end connection and rating, ready to quote.

What is the gate valves spec for piping class E2A?

Piping class E2A (ASME Class 300) covers Cryogenic Service - LNG / LOX / LIN, -46°C to -101°C, Class 300 with a Carbon Steel ASTM A352 LCC (Extended Bonnet, Cryogenic Tested) / A351 CF8M SS316 body material and 0mm (cryogenic, non-corrosive - dry service) corrosion allowance, rated for 51.1 bar (741 psi) at 38°C (100°F) at -101°C to +120°C (-150°F to +248°F). The gate valves specification for this class is below.

TypeRatingBodyTrimSeatEnd Conn.
Gate Valve (Cryogenic)Class 300A352 LCC (Extended Bonnet 300mm)SS316 / Trim 12SS316 HF + PTFE seat ringBW (ASME B16.25) or RF Flanged (ASME B16.5)
  • -Gate Valve (Cryogenic): BS 6364, cold-shock tested; extended bonnet mandatory; body vent

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 E2A

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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