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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
Product description:
Features:
A one-piece integral forging incorporating up 3 ball valve or mixture of ball and needle design
Improved safety : leak paths reduced by up to 60%
Reduced costs : installation and component costs saving up to 70%
Reduced weight : up to 80%
Reduced susceptibility to problems caused by vibration.
Bi-directional
Floating ball principal with dynamic response seats featuring inherent self relief
Anti blowout stem
Anti static design as standard
Low torque operation
Fire safe designed to meet BS 6755/API 607,(optional)

Design Standards:
ANSI / ASME B 16.34 - Designed to meet the pressure and temperature requirements
ANSI / ASME B 16.5 - Flange dimensions
ANSI / ASME B 1.20.1 - National pipe threads
API 607 / BS 6755 - Fire safe designed

Material and pressure rating:
316 Stainless steel construction.
Maximum cold working pressure rating 6,000 psig(414 bar) with PTFE (-54°C to 204°C) seats.
Maximum cold working pressure rating 10,000 psig(689 bar) with PEEK (-54°C to 232°C) seats.

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

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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
China manual operate 2'' 1500LB ASTM A 182 F55 RTJ connection 2 floating balls and 1 needle valve DBB (double block and bleed) valve factory

manual operate 2'' 1500LB ASTM A 182 F55 RTJ connection 2 floating balls and 1 needle valve DBB (double block and bleed) valve

Product description: CowinnsDouble block and Bleed valve solutions: Cowinnsdouble block and bleed valve is consist of 1 piece forged body. And availab...More
China 2'' 6000psi 45# steel SW ends level operated double block & bleed ball valve with needle drain valve factory

2'' 6000psi 45# steel SW ends level operated double block & bleed ball valve with needle drain valve

Materiallist: Body&bonnet:45#steel Ball:A276410 Seat:PPL Stem:A275410 O-Ring:Viton Needlevalve:SS304 Formore details please contact with us to apply f...More
China 3* 1 1/2'' 300LB ASTM A 182 F316 RF flange ends level operated double block & bleed ball valve factory

3* 1 1/2'' 300LB ASTM A 182 F316 RF flange ends level operated double block & bleed ball valve

Product description: SPECIFICATION Design codes ANSI / ASME B 16.34 - Designed to meet thepressure and temperature requirements ANSI / ASME B 16.5 - F...More
China 1'' 2500LB ASTM A 182 F316 RTJ connection level operated ball valve factory

1'' 2500LB ASTM A 182 F316 RTJ connection level operated ball valve

Productdescription: SPECIFICATION Design codes ANSI / ASME B 16.34 - Designed to meet thepressure and temperature requirements ANSI / ASME B 16.5 - Fl...More
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