Triple Eccentric Wafer Butterfly Valve, API 609, CF8, DN50

This Triple Eccentric Wafer Butterfly Valve is designed for high-performance flow control, conforming to API 609 standards. It features a durable stainless steel ASTM A351 CF8 body, sized DN50 (2 inch), rated for PN16 and Class 150 LB pressure applications. The triple offset design ensures tight shutoff and minimal wear, making it ideal for demanding industrial environments. Operated via a worm gear, it offers precise and reliable manual control.

Product Name: Triple Eccentric Wafer Butterfly Valve
Type: Triple Eccentric Butterfly Valve
Design Standard: API 609
Body Material: ASTM A351 CF8
Size: DN50, 2 Inch
Pressure: PN16, Class 150 LB
End Connection: Wafer
Operation: Worm Gear
Medium: Water, Oil, Gas, etc
Temperature Range: -196°C to 550°C

We offer a comprehensive range of Triple Eccentric Butterfly Valves, available in various pressure classes, body styles, and materials to meet critical process requirements across industries such as hydrocarbon processing, power generation, chemicals, and fertilizers. The product range includes valves in ASME classes up to 600 LB and sizes up to 64 inch (1600 mm), with options in carbon steel, stainless steel, and alloy steels—suitable for temperatures up to 538°C (1000°F). Based on customer needs, valves in higher pressure classes, larger sizes, and alternative materials are also available. The range includes options for cryogenic service. These metal-seated valves conform to API 609 standards. Designed for true bi-directional flow and high-integrity sealing, all machining is performed on advanced 5-axis machining centers. Customized welding machines ensure precision manufacturing.

Technical Specification

» Size Range: 2-48 Inch (DN50-DN1200), larger sizes available upon request
» Pressure Ratings: Class 150-600 LB (PN10-PN100)
» Body Material: Carbon Steel (ASTM A216 WCB), Stainless Steel (A351 CF8, CF8M, CF3, CF3M), Low Temperature Steel (A352 LCB, LCC)
» Shaft Material: 17-4PH, SS410, XM-19
» Seat Material: Fully Metal Seat, SS + Graphite Seat
» Operation: Handle, Worm Gear, Pneumatic, Electric
» Temperature Range:
• Metal Seat: -29°C ~ 425°C
• Cryogenic Metal Seat: -196°C ~ 121°C
» End Connections: Wafer, Lugged, Double Flanged, Butt Weld, Grooved
» Actuation Options: Manual, Pneumatic, Electric, Hydraulic, Counterweight, Electro-Hydraulic

Product Features

» Lockable lever for secure manual operation
» Site maintenance-friendly design
» Easy integration with automation systems
» Positive tight shut-off capability
» Optional top flanges conforming to ISO 5211
» Qualified for both gas and liquid service
» Wide selection of body and trim materials for various media
» Standards: ISO 5752, BS 5155, API 609, MSS-SP-68, ASME B16.10, ASME B16.5, DIN 3202