Cast Steel Industrial Butterfly Valve - API609, Triple Offset, 2" to 60"
Tengs Valve supplies high-quality Cast Steel Industrial Butterfly Valves in triple offset, metal-to-metal seated, high-performance design. Manufactured to API 609 standard, these valves are available in flange type, wafer type, and lug type configurations. Body materials include carbon steel, stainless steel, and bronze, with lever or worm gear operation. Sizes range from 2″ to 60″ with pressure ratings from ANSI Class 150LB to 600LB. Ideal for oil & gas, chemical, power generation, and water treatment applications requiring zero leakage and high performance.
Specifications for Cast Steel Industrial Butterfly Valve
• Design and Manufacture: API 609
• Inspection and Test: API 598
• End Flange Dimension: ASME B16.5
• BW Ends Dimension: ASME B16.25
• Face to Face or End to End: ASME B16.10
• Pressure-Temperature Rating: ASME B16.34
Triple Offset Industrial Butterfly Valve Materials List
| Part Name | WCB (Carbon Steel) | CF8 (Stainless Steel 304) | CF8M (Stainless Steel 316) |
|---|---|---|---|
| Body | A216 WCB | A351 CF8 | A351 CF8M |
| Disc | WCB / CF8 / CF8M | A351 CF8 | A351 CF8M |
| Sealing Ring | SS304 / SS316 + Graphite / PTFE / EPDM | SS304 / SS316 + Graphite / PTFE / EPDM | SS316 + Graphite / PTFE / EPDM |
| Stem | 420 / 304 / 316 | 304 / 316 | 316 |
| Bolts/Nuts | A193 B7 / A194 2H | A193 B8M / A194 8M | A193 B8M / A194 8M |
| Packing | Graphite | Graphite | Graphite |
Reference: API609. Materials may vary by model and pressure rating. Contact us for confirmed material certificate.
Industrial Butterfly Valve Dimension Details
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