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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 
Fax:+86 512 6818 4193
Mob&what's app:+86 153 0620 9257 
Email:info@cowinns.com
www.cowinns.com
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Leakage from the valve gland is often a problem for environment protection & sometime it is quite dangerous if such leakage us from a hazardous fluid. Cowinns bellow seal valves are designed with a bellow cartridge welded to the valve bonnet and stem, so that when the stem up & down movement makes the bellows expands & compress. Therefore there is no sliding or rotating seals through which process fluid can leak.

Design features:
Formed bellow
10,000 cycle bellow without failure
Zero stem leakage
Minimum maintenance cost

Products range:
Type: Gate, Globe
Size:2''~12''
Rating: ANSI 150LB~1500LB
Main Body materials: Carbon Steel, Stainless Steel, Alloy Steel (titanium alloy ,nickel alloy , zirconium alloy, bronze/brass),Duplex Steel,20#,310S,321,904L.
Bellow Materials: Stainless steels, Inconel.

Bellow sealed Valves

China 10'' 150LB ASTM A351 CF8 BW connection bellow sealed Worm gear handle wheel operated globe valve factory

10'' 150LB ASTM A351 CF8 BW connection bellow sealed Worm gear handle wheel operated globe valve

Product description: Cowinns Bellow sealedvalves  Design standard :ASMEB 16.34 Face to face: ANSI B16.10 Test and inspectionstandard :API 598 Size:1/2...More
China Handle wheel operated 6'' 150LB ASTM A351 CF8 BW connection bellow sealed globe valve factory

Handle wheel operated 6'' 150LB ASTM A351 CF8 BW connection bellow sealed globe valve

Product description: Cowinns Bellow sealed valves Design standard :ASME B 16.34 Face to face: ANSI B 16.10 Test and inspection standard :API 598 Size...More
China Handle wheel operated DN15 PN16 ASTM B182 F904L forged hard face seat RF connection bellow sealed globe valve factory

Handle wheel operated DN15 PN16 ASTM B182 F904L forged hard face seat RF connection bellow sealed globe valve

Product description: Cowinns Bellow sealed valves ASME B 16.34 Size:1/2''-12''(15-300mm) Classes:150-2500LB Materials: Carbon, stainless, alloy, nick...More
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