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Cowinns Industry Equipment Co.,Ltd
No.127 Room No.748 Changjiang Road,High-Tech District,
Suzhou City, Jiangsu Province, zip:215128 China
Tel:+86 512 6878 1993 
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www.cowinns.com
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Cowinns standard metal seated butterfly valve is triple off-set design. It provides a bi-directional bubble tight shut-off. This geometry ensures that that disc seal contacts the body seat only at the final shut-off position without rubbing or galling, providing to torque generated resilient seal with sufficient "wedging" to ensure a uniform seal contact

Design features:
Stem blow out prevention ring
Replaceable disc seal
Live loading packing gland
Metal-to-metal patented sealing system
Disc position indication
ISO 5211 top flange

Products range 
Size:2''~48''
Rating: ANSI 150LB~ ANSI 1500LB
Main Body materials: Carbon Steel, Stainless Steel, Alloy Steel (titanium alloy ,nickel alloy , zirconium alloy, bronze/brass),Duplex Steel,20#,310S,321,904L
End type: BW, Wafer, RF, Lug
Operation: Lever, Gear, Pneumatic, Electric operator

Metal Seal Butterfly Valve

China Pneumatic 8'' 150LB CF8M metal to metal seat triple off set RF connection butterfly valve manufacturer

Pneumatic 8'' 150LB CF8M metal to metal seat triple off set RF connection butterfly valve

Product description: API 609 design standard  Principle of operation: The Cowinns triple off set butterfly valve provides a bi-directional bubble tigh... More
China 8'' 1500LB Super duplex 904L  metal to metal seated triple offset butterfly valve wafer end butterfly valve with worm gear operation manufacturer

8'' 1500LB Super duplex 904L metal to metal seated triple offset butterfly valve wafer end butterfly valve with worm gear operation

Cowinns triple offset high pressure and hightemperature metal to metal seat butterfly valve can be used in petrochemicalplants, fossil power plants, L... More
China 8'' 1500LB 904L  metal to metal seated triple offset butterfly valve wafer end butterfly valve with worm gear operation manufacturer

8'' 1500LB 904L metal to metal seated triple offset butterfly valve wafer end butterfly valve with worm gear operation

Cowinnstriple offset high pressure and high temperature metal to metal seat butterflyvalve can be used in petrochemical plants, fossil power plants, L... More
China 42'' 600LB WCC metal to metal seated triple offset butterfly valve BW end butterfly valve manufacturer

42'' 600LB WCC metal to metal seated triple offset butterfly valve BW end butterfly valve

Cowinnstriple offset high pressure and high temperature can be used in petrochemicalplants, fossil power plants, LNG, pulp and paper, unclear power pl... More
China 16'' 2500LB CF8M metal seat triple offset butterfly valve pneumatic operator BW connection butterfly valve manufacturer

16'' 2500LB CF8M metal seat triple offset butterfly valve pneumatic operator BW connection butterfly valve

Product description: Design standard: API609 Test and inspection: API598 Body material: ASTM A351 CF8M Disc: ASTM A351 CF8M Gland:CF8M Principle of op... More
China 12'' 600LB CF8M metal seat triple offset butterfly valve handle wheel with worm gear operator RF connection butterfly valve manufacturer

12'' 600LB CF8M metal seat triple offset butterfly valve handle wheel with worm gear operator RF connection butterfly valve

Product description: Design standard: API609 Flange design and manufacture standard:ANSI B16.5 Test and inspection: API598 Body material: ASTM A351 C... More