Butterfly Valves — Piping Class F1A
The butterfly valves specification for piping class F1A (ASME Class 150, Seawater / Brine Service - Duplex 2205 Body, Class 150, PREN ≥35) — body, trim, seat, end connection and rating, ready to quote.
What is the butterfly valves spec for piping class F1A?
Piping class F1A (ASME Class 150) covers Seawater / Brine Service - Duplex 2205 Body, Class 150, PREN ≥35 with a Duplex Stainless Steel ASTM A890 Grade 4A / A182 F51 (Duplex 2205, UNS S31803/S32205) body material and 0mm (duplex stainless, no corrosion allowance) corrosion allowance, rated for 19.6 bar (284 psi) at 38°C (100°F) at -29°C to +315°C (-20°F to +599°F). The butterfly valves specification for this class is below.
| Type | Rating | Body | Trim | Seat | End Conn. |
|---|---|---|---|---|---|
| Butterfly Valve | Class 150 | A890 4A Cast Duplex 2205 / A182 F51 Disc | Duplex 2205 disc + stem | EPDM or PTFE (seawater rated) | Double Flanged (ASME B16.5 RF) |
- -Butterfly Valve: API 609 Category A/B; DNV Type Approval for offshore; AWWA C504
Vajra Butterfly Valves
Compact and efficient butterfly valves for large-scale flow control and isolation.
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