Piping Class E1A
Piping Class Spec

Gate Valves — Piping Class E1A

The gate 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 gate 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 gate valves specification for this class is below.

TypeRatingBodyTrimSeatEnd Conn.
Cryogenic Gate ValveClass 150–300A351 CF8M / F316LSS 316LSS 316L metalRF or BW
  • -Cryogenic Gate Valve: Extended bonnet, OS&Y, low-temp tested

Vajra Gate Valves

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

See the full Gate Valves range

Other valves in piping class E1A

Ball Valves — E1AGlobe Valves — E1ACheck Valves — E1ASafety & Relief Valves — E1A

Gate Valves in other piping classes

Gate Valves — A1AGate Valves — A2AGate Valves — A3AGate Valves — B1AGate Valves — B2AGate Valves — C1AGate Valves — D1AGate Valves — A4AGate Valves — A5AGate Valves — A6A
Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026

Connected Engineering

Standards
API 6DASME B16.34
Materials
A351 CF8M (SS316)A352 LCC Low-Temp
Services
LNG / Cryogenic
Products
Gate Valves
Comparisons
Gate vs Ball Valve

Need gate valves to piping class E1A?

Send your valve schedule — we supply all gate valves to E1A specification (body, trim, seat, rating) with full certification and a 24-hour quote.

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Relevant Products
Vajra Gate Valves

Engineering references

Piping Class E1AFull valve schedule & specPiping Class Quick ReferenceAll classes comparedVajra Gate ValvesFull range, specs & standards