API/JIS/GB WCB Worm Drive Butterfly Valve
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Design & Manufacturing Standards: API 609, MSS SP-67, MSS SP-68
Inspection & Testing: API 598
End Flange Dimension: ASME B16.5 (NPS ≤ 24), ASME B16.47 B
BW End Dimension: ASME B16.25
Face to Face & End to End: API 609
Pressure-Temperature Ratings: ASME B16.34
Features and Purpose:
The Triple Offset Hard Seal Butterfly Valve is one of our flagship products, widely used in industries such as metallurgy, light industry, power generation, petrochemicals, and coal gas systems. Its unique design ensures a tight, bubble-tight shut-off in both directions. The disc only contacts the seat at the final closing position, eliminating friction and wear, ensuring a reliable and long-lasting seal.
Size Range: 1/2" - 24" / DN15 ~ DN600
Class Range: 150LB - 900LB / PN1.0 ~ PN6.4
Construction: Available in Carbon Steel, Alloy Steel, and Stainless Steel; custom materials available upon request
End Connections: Flanged, Screwed, Socket Weld, or Butt Weld
Products Offered:
We manufacture a wide range of valves including gate, globe, check, ball, and butterfly valves. Our products are made from various materials like ductile iron, carbon steel, alloy steel, stainless steel, ultra-low carbon stainless steel, and Monel. All are produced according to standards such as GB, ASME, ANSI, API, BS, DIN, and JIS. Special standard valves can be customized based on your requirements.
Certifications:
We hold ISO 9001, SAI Global Watermark, ABS Design Assessment Certificates, API 6D, CE/PED, and other certifications. Quality control is strictly followed with advanced machinery and inspection equipment at our facility in Shanghai Huatong Valve Co., Ltd.
2013 Nanjing Exhibition
Butterfly Valve Workshop
Part Name
Material
Part Name
Material
Body
ECB, CF8, CF8M, CF8C, CF3, CF3M
Packing
Graphite
Stem
410, 420, 304, 304L, 316, 316L
Stuffing Cover
WCB, CF8, CF8M
Disc
WCB + F4, WCB + F6, CF8, CF8M
Yoke
WCB, CF8, CF8M, CF3, CF3M
Packing Seat
420
Worm Device
If you have any questions, feel free to contact me:
Winnie Wu
Working Temperature: Medium Temperature (120°C < T < 450°C)
Seal Surface Material: Metal Hard Sealed
Valve Body: Casting
Application: Industrial, Household, and Gas Systems
Size: 2" - 40"
Material: Stainless Steel (S.S)
Product Standard: API 598
Transmission Device: JB/T 5299
Structural Length: ASME B16.34
Pressure Rating: 150lb - 600lb
Logo: Customizable
Delivery Time: Depends on Order Quantity
Packing: Each in a Polybag
Trademark: ZY
Specification: 2" - 50"
Origin: China
HS Code: 8481804090