Piping Class A2A
Piping Class Spec

Gate Valves — Piping Class A2A

The gate valves specification for piping class A2A (ASME Class 300, Medium Pressure - Process, Steam, Hydrocarbons to 50 bar) — body, trim, seat, end connection and rating, ready to quote.

What is the gate valves spec for piping class A2A?

Piping class A2A (ASME Class 300) covers Medium Pressure - Process, Steam, Hydrocarbons to 50 bar with a Carbon Steel ASTM A216 WCB body material and 3mm corrosion allowance, rated for 50 bar (725 psi) at Up to 350°C (662°F). The gate valves specification for this class is below.

TypeRatingBodyTrimSeatEnd Conn.
Gate ValveClass 300A216 WCB13Cr / Stellite-6 HFStellite-6 HFRF Flange (ASME B16.5)
  • -Gate Valve: API 600, OS&Y, bolted bonnet

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 A2A

Globe Valves — A2ACheck Valves — A2ABall Valves — A2A

Gate Valves in other piping classes

Gate Valves — A1AGate Valves — A3AGate Valves — B1AGate Valves — B2AGate Valves — C1AGate Valves — D1AGate Valves — E1AGate 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
A216 WCB Carbon Steel
Products
Gate Valves
Comparisons
Gate vs Ball Valve

Need gate valves to piping class A2A?

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Relevant Products
Vajra Gate Valves

Engineering references

Piping Class A2AFull valve schedule & specPiping Class Quick ReferenceAll classes comparedVajra Gate ValvesFull range, specs & standards