Piping Class E1A
Piping Class Spec

Safety & Relief Valves — Piping Class E1A

The safety & relief valves specification for piping class E1A (ASME Class 150 (Cryogenic), Cryogenic - LNG, Liquid Nitrogen, LOX Service to -196°C) — body, trim, seat, end connection and rating, ready to quote.

What is the safety & relief valves spec for piping class E1A?

Piping class E1A (ASME Class 150 (Cryogenic)) covers Cryogenic - LNG, Liquid Nitrogen, LOX Service to -196°C with a Austenitic SS ASTM A351 CF8M / A182 F316L body material and Nil corrosion allowance, rated for Up to 40 bar at -196°C to +65°C. The safety & relief valves specification for this class is below.

TypeRatingBodyTrimSeatEnd Conn.
Safety Relief Valve (LNG)ASME VIIISS 316LSS 316LPTFE / metalFlanged
  • -Safety Relief Valve (LNG): Cryogenic SRV - ASME stamped, low-temperature rated

Vajra Safety & Relief Valves

Pressure relief and safety valves for overpressure protection of vessels and systems.

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Other valves in piping class E1A

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

Connected Engineering

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