Piping Class B1A
Piping Class Spec
Ball Valves — Piping Class B1A
The ball valves specification for piping class B1A (ASME Class 150, Stainless Steel - Chemical, Corrosive, Pharmaceutical Service) — body, trim, seat, end connection and rating, ready to quote.
What is the ball valves spec for piping class B1A?
Piping class B1A (ASME Class 150) covers Stainless Steel - Chemical, Corrosive, Pharmaceutical Service with a Stainless Steel ASTM A351 CF8M (SS 316) body material and Nil (SS service) corrosion allowance, rated for 19.6 bar (285 psi) at Up to 300°C (572°F). The ball valves specification for this class is below.
| Type | Rating | Body | Trim | Seat | End Conn. |
|---|---|---|---|---|---|
| Ball Valve (2" and below) | Class 150 | A182 F316L Forged | SS 316 | PTFE | SW/NPT |
| Ball Valve (3" and above) | Class 150 | CF8M | SS 316 | PTFE/RPTFE | RF Flange |
- -Ball Valve (2" and below): Full bore, fire-safe
- -Ball Valve (3" and above): Floating or trunnion
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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