ASTM A216 WCB Wafer Butterfly Valve, API 609, DN500, PN10

The China ASTM A216 WCB Butterfly Valve Supplier offers high-performance triple eccentric butterfly valves with cast carbon steel bodies. These valves feature a large DN500 (20-inch) diameter and are rated at Class 150 LB and PN10 pressure classes, ensuring robustness and reliability for high-flow applications. The valves have wafer ends, which facilitate easy installation between flanges. The triple eccentric design minimizes wear and tear, providing excellent sealing performance even under varying pressure conditions.

Product Name: ASTM A216 WCB Triple Offset Butterfly Valve
Type: Triple Eccentric Butterfly Valve
Design Standard: API 609
Body Material: ASTM A216 WCB
Size: DN500, 20 Inch
Pressure: PN10, Class 150 LB
End Connection: Wafer
Operation: Worm Gear
Medium: Water, Oil, Gas, etc
Temperature Range: -196°C to 550°C

Triple Eccentric Butterfly Valves are engineered to meet critical process requirements across a broad spectrum of industries, including hydrocarbons, power generation, chemical processing, and fertilizer production. Available in a variety of pressure classes, body styles, and materials, these valves are designed to perform in demanding environments.
The standard offering includes valves up to ASME Class 600 LB and sizes up to 48 Inch (DN1200), with larger sizes and higher pressure classes available upon request. Constructed from carbon steel, stainless steel, and alloy steels, these valves are suitable for service temperatures up to 538°C (1000°F). Options for cryogenic applications are also available.
Designed to API 609 standards, our triple-offset butterfly valves are truly bi-directional, delivering high-integrity metal-to-metal sealing. All components are precisely manufactured using advanced 5-axis machining centers and dedicated welding systems to ensure durability and performance.

Technical Specifications

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

Product Features

» Lockable lever for secure operation
» On-site maintenance capability
» Seamless integration with automation systems
» Positive, tight shut-off performance
» ISO 5211-compatible optional top flange
» Suitable for both liquid and gaseous service
» Wide selection of body and trim materials for diverse media and applications
» Compliance with international standards: ISO 5752, BS 5155, API 609, MSS SP-68, ASME B16.10, ASME B16.5, DIN 3202