Piping Class E1A
Piping Class Spec

Check Valves — Piping Class E1A

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

TypeRatingBodyTrimSeatEnd Conn.
Cryogenic Check ValveClass 150–300CF8MSS 316LSS 316L / PTFERF or BW
  • -Cryogenic Check Valve: Lift or swing, cryogenic rated

Vajra Check Valves

Non-return valves to prevent backflow and protect equipment in piping systems.

See the full Check Valves range

Other valves in piping class E1A

Ball Valves — E1AGate Valves — E1AGlobe Valves — E1ASafety & Relief Valves — E1A

Check Valves in other piping classes

Check Valves — A1ACheck Valves — A2ACheck Valves — A3ACheck Valves — B1ACheck Valves — B2ACheck Valves — C1ACheck Valves — D1ACheck Valves — A4ACheck Valves — A5ACheck Valves — A6A
Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026

Connected Engineering

Standards
ASME B16.34
Materials
A351 CF8M (SS316)A352 LCC Low-Temp
Services
LNG / Cryogenic
Products
Check Valves

Need check valves to piping class E1A?

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Relevant Products
Vajra Check Valves

Engineering references

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