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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
Contact Now

Cowinns provided the ultimate suitable solutions for a integral block & bleed valve,
which is consist of one piece forged body it provide many merits, featuring a choice of end connections and body style.

Design features:
Two piece body design - minimize leakage paths.
Designed to comply with requirements of ANSI/ASME B16.34.

Bi-directional.
Ball seats choice of seat materials : PTFE(virgin or filled)PVDF , NYLON or PEEK.
Bubble tight shutoff.
Floating ball principal with dynamic response seats featuring inherent self relief.
Anti blowout stem.
Integral compression ends available eliminating taper threads and thread sealants.
Low torque operation.
Connector thread environmentally sealed.
Anti static design as standard.
Fire safe designed to meet BS 6755 Part2 / API 607,(optional).

Products range

Size:1/2''~10''
Rating: ANSI 150LB ~ 2500LB
Main Body materials: Carbon Steel, Stainless Steel, Alloy Steel (titanium alloy ,nickel alloy , zirconium alloy, bronze/brass),Duplex Steel,20#,310S,321,904L.
End connection: RF,RTJ,BW
Operation: Lever, Gear, Pneumatic, Electric operator.

Double Block and Bleed Valve

China Level operated 3/4''*1/2'' 600LB ASTM A 182 F55 RF connection 3 balls DBB (double block and bleed) valve factory

Level operated 3/4''*1/2'' 600LB ASTM A 182 F55 RF connection 3 balls DBB (double block and bleed) valve

Productdescription: Features: A one-piece integralforging incorporating up 3 ball valve or mixture of ball and needle design Improved safety : leakpat...More
China Handle operated 2'' 2500LB ASTM A 182 F316 RTJ connection 3 pc double block and bleed ball valve factory

Handle operated 2'' 2500LB ASTM A 182 F316 RTJ connection 3 pc double block and bleed ball valve

Product description: Features: A one-piece integral forging incorporating up 3 ball valve or mixture of ball and needle design Improved safety : leak ...More
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