Piping Class B1A
Piping Class Spec
Butterfly Valves — Piping Class B1A
The butterfly 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 butterfly 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 butterfly valves specification for this class is below.
| Type | Rating | Body | Trim | Seat | End Conn. |
|---|---|---|---|---|---|
| Butterfly Valve | Class 150 | CF8M | SS 316 disc | EPDM/PTFE | Lug/Wafer |
- -Butterfly Valve: Resilient seat
Vajra Butterfly Valves
Compact and efficient butterfly valves for large-scale flow control and isolation.
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Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026
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