Cast Steel Triple Offset Flanged Butterfly Valve - API609, 2" to 60"
Tengs Valve supplies high-quality Cast Steel Triple Offset Flanged Butterfly Valves in industrial utilization, offering various API609 double flanged designs. Available in carbon steel, stainless steel, and special materials, with triple offset, tri-eccentric, metal-to-metal seat, high-performance construction. Operated by lever, gear, or pneumatic actuator. Sizes range from 2″ to 60″ with pressure ratings from 150LB to 600LB. Ideal for oil & gas, chemical, power generation, and water treatment applications requiring zero leakage and high performance.
Double eccentric flanged butterfly valves are also available.
Specifications for Cast Steel Triple Offset Flanged Butterfly Valve
• Design Standard: API 609
• Inspection and Test: API 598
• Pressure Rating: 150LBS, 300LBS, 600LBS
• Size: 2″ to 60″ (DN50 to DN1500)
• Body Materials: Cast Carbon Steel (A216-WCB), Stainless Steel (A351-CF8, CF8M, CF3, CF3M, CF8C, DSS), Bronze (B148-C95800)
• Disc: Carbon Steel, Stainless Steel, Bronze
• Stem Material: Stainless Steel (410, 420, SS304, SS316, 17-4PH)
• Actuator: Lever, Worm Gear, Pneumatic Actuator etc.
Cast Steel Triple Offset Flanged Butterfly Valve Main Parts and Material List
| Part Name | WCB (Carbon Steel) | CF8 (Stainless Steel 304) | CF8M (Stainless Steel 316) | Bronze (B148-C95800) |
|---|---|---|---|---|
| Body | A216 WCB | A351 CF8 | A351 CF8M | B148-C95800 |
| Disc | WCB / CF8 / CF8M | A351 CF8 | A351 CF8M | B148-C95800 |
| Sealing Ring | SS304 / SS316 + Graphite / PTFE / EPDM | SS304 / SS316 + Graphite / PTFE / EPDM | SS316 + Graphite / PTFE / EPDM | SS316 + Graphite / PTFE / EPDM |
| Stem | 420 / 304 / 316 | 304 / 316 | 316 | 316 |
| Bolts/Nuts | A193 B7 / A194 2H | A193 B8 / A194 8 | A193 B8M / A194 8M | A193 B8M / A194 8M |
| Packing | Graphite | Graphite | Graphite | Graphite |
Reference: API609. Materials may vary by model and pressure rating. Contact us for confirmed material certificate.
Related Butterfly Valve Pages
• Butterfly Valve - Butterfly Valve Series Overview
• Industrial Butterfly Valve - API609 Triple Offset Butterfly Valve
• Centerline Lug-Type Butterfly Valve - Carbon Steel, Bronze Disc, 150LB, Soft Seated
• Ductile Iron Lugged Wafer Butterfly Valve - Soft Seated, PN16
• Flanged Butterfly Valve 150LBS - API609 Triple Offset
• Wafer & Lug Type Butterfly Valve - 150LBS to 600LBS
