Piping Class A6A
Piping Class Spec

Gate Valves — Piping Class A6A

The gate valves specification for piping class A6A (ASME Class 2500, Extreme High Pressure - Ultra-HP Wellhead, HP Instrument & Test Systems to 412 bar) — body, trim, seat, end connection and rating, ready to quote.

What is the gate valves spec for piping class A6A?

Piping class A6A (ASME Class 2500) covers Extreme High Pressure - Ultra-HP Wellhead, HP Instrument & Test Systems to 412 bar with a Carbon Steel ASTM A216 WCB / A182 F22 Forged (2¼Cr-1Mo) body material and 3mm corrosion allowance, rated for 412 bar (5975 psi) at Up to 400°C (752°F). The gate valves specification for this class is below.

TypeRatingBodyTrimSeatEnd Conn.
Gate ValveClass 2500A216 WCB / A182 F22Stellite-6 HF overlayStellite-6 HFBW (ASME B16.25) or RTJ (ASME B16.5) - small bore only
  • -Gate Valve: API 600, pressure-seal bonnet, OS&Y; butt-weld preferred

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 A6A

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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