Piping Class B1A
Piping Class Spec
Diaphragm Valves — Piping Class B1A
The diaphragm 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 diaphragm 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 diaphragm valves specification for this class is below.
| Type | Rating | Body | Trim | Seat | End Conn. |
|---|---|---|---|---|---|
| Diaphragm Valve | Class 150 | SS 316L | SS 316L | PTFE / EPDM | Flanged / Clamp |
- -Diaphragm Valve: Pharma grade, electrolytically polished
Vajra Diaphragm Valves
Elastomer-lined valves for corrosive, abrasive, and sterile applications.
See the full Diaphragm Valves rangeOther valves in piping class B1A
Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026
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