Double Flanged Butterfly Valves, A351 CF8, 8 Inch, Pneumatic

The Double Flanged Butterfly Valves Factory produces a robust 200 mm (8 inch) triple offset butterfly valve. This valve features a stainless steel body made from ASTM A351 CF8, ensuring excellent corrosion resistance and durability. With a Class 300 LB pressure rating, it is built to handle high-pressure applications. The triple offset design provides enhanced sealing capabilities and reduced wear,. Equipped with a pneumatic actuator, this valve offers precise control and efficient operation.

Product Name: Double Flanged Butterfly Valves
Type: Triple Offset Butterfly Valve
Body Material: Stainless Steel ASTM A351 CF8
Size: 8 Inch, DN200, 200 mm
Pressure: Class 300 LB, PN50
End Connection: Double Flanged
Operation: Pneumatic Actuator
Temperature Range: -196°C to 550°C

We offer a comprehensive range of Triple Eccentric Butterfly Valves in various pressure classes, body styles, and materials to address critical process requirements in diverse industries such as hydrocarbon, power, chemicals, fertilizer, and more. The product range includes valves in ASME classes up to 600, in sizes up to 64" (1600 mm), and in materials such as carbon steel, stainless steel, and alloy steels, suitable for temperatures as high as 538°C (1000°F). Based on customer requirements, valves in higher pressure classes, larger sizes, and other materials are also available. The range also comprises valves for cryogenic services. The metal-seated valves conform to API 609. Triple Eccentric Butterfly Valves are truly bi-directional and offer high-integrity sealing. All machining operations are carried out on 5-axis machining centers. Customized welding machines are also employed for the manufacture of these products.

Technical Specification

» Product: Triple Eccentric Butterfly Valve
» Size Ranges: 2-64 Inch (DN50-DN1600) (Larger sizes upon request)
» Pressure Ratings: 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 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 to 425°C
Metal Seat (Cryogenic): -196°C to 121°C
» Ends Connections: Wafer, Lugged, Double Flanged, Butt Weld or Grooved
» Actuations: Manual, Pneumatic, Electric, Hydraulic, Counterweight, Electro-hydraulic

Product Features

» Lockable Lever
» Site maintenance
» Ease of automation
» Positive tight shut-off
» Optional top flanges to ISO 5211
» Qualified for both gaseous and liquid services
» Broad line of body and trim materials for a variety of medium service.
» ISO 5752, BS 5155,API 609, MSS-SP-68,ASME B16.10,ASME B16.5, DIN 3202