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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.

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