Piping Class A1A
Piping Class Spec
Ball Valves — Piping Class A1A
The ball valves specification for piping class A1A (ASME Class 150, General Service - Water, Air, Steam up to 16 bar) — body, trim, seat, end connection and rating, ready to quote.
What is the ball valves spec for piping class A1A?
Piping class A1A (ASME Class 150) covers General Service - Water, Air, Steam up to 16 bar with a Carbon Steel ASTM A216 WCB body material and 3mm corrosion allowance, rated for 16 bar (232 psi) at Up to 200°C (392°F). The ball valves specification for this class is below.
| Type | Rating | Body | Trim | Seat | End Conn. |
|---|---|---|---|---|---|
| Ball Valve (2" and below) | Class 150 | A105 Forged | SS 316 | PTFE | Screwed/SW ends |
| Ball Valve (3" and above) | Class 150 | A216 WCB | SS 316 | PTFE | RF Flange (ASME B16.5) |
- -Ball Valve (2" and below): Floating ball, full bore
- -Ball Valve (3" and above): Trunnion or floating, full bore
Vajra Ball Valves
High-performance ball valves for reliable shut-off and control in various industrial applications.
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Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026
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