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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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Product description:
GB/T 12237 design standard
Features:
Split body, forged steel , side entry design
Anti Blow-out Stem: The stem is made separately from the ball. The lower end of the stem is designed
with an integral shoulder to be blowout-proof.
Anti-static Device: The Antistatic Device is a standard feature of the Cowinns ball valve.
A spring-loaded pin assures the electrical continuity between the ball, stem and body, to avoid sparking during of the stem to open and close the valve.
Super Fire safe design:
External leakage prevention
Leakage from the valve stem area is prevented by two O-ring seals and a gland gasket. Leakage through the valve body connection is also blocked by an O-ring seal and a body gasket. After a fire deteriorated the O-ring, gland and body gasket the fires safe stem packing prevents external leakage.
Internal leakage prevention
After the soft sealing materials are decomposed or deteriorated by fire, the edge of the metal seat preloaded by the seat spring comes into contact with the ball to shut off the process media and minimize internal leakage through the valve bore. Also the fire safe graphite packing is compressed by the seat spring to prevent process media leakage between the valve body and the seal.

Trunnion Mounted Ball Valve

China Worm gear operated with handle wheel DN150 PN63 A182 F316 hard face trunnion mounted full port RF connection 3 pc ball valve manufacturer

Worm gear operated with handle wheel DN150 PN63 A182 F316 hard face trunnion mounted full port RF connection 3 pc ball valve

Product description: GB/T 12237 design standard  Features: Split body, forged steel , side entry design Anti Blow-out Stem: The stem is made separatel... More
China Worm gear operated  6'' 1500LB A182 F51 trunnion mounted full port RF ball valve manufacturer

Worm gear operated 6'' 1500LB A182 F51 trunnion mounted full port RF ball valve

Product description: 3PCforged trunnion ball valve RF end structure Designstandards: ASMEB16.34/API6D design standard API6D/ISO 15848 or API 598 testi... More
China Worm gear 6 '' 1500LB A182 F51 RF ball valve mounted on trunnion manufacturer

Worm gear 6 '' 1500LB A182 F51 RF ball valve mounted on trunnion

Product description: Features: Sideentrance design Anti-expulsion stem:The stem is made separately from the ball. The lower end of the stem isdesigned... More
China bare stem 6'' 900LB A105 trunnion mounted full port RF ball valve manufacturer

bare stem 6'' 900LB A105 trunnion mounted full port RF ball valve

Features: Sideentry design Anti Blow-out Stem:The stem is made separately from the ball. The lower end of the stem isdesigned withan integral shoulder... More
China Level operated 2'' 300LB A494 CW 6MC trunnion mounted full port RF ends 2 pc ball valve manufacturer

Level operated 2'' 300LB A494 CW 6MC trunnion mounted full port RF ends 2 pc ball valve

Productdescription: Features: 2pcsSplit body, side entry design Anti Blow-out Stem:The stem is made separately from the ball. The lower end of the ste... More
China Worm gear operated 8'' 900LB A105 hard face trunnion mounted full port RTJ connection 3 pc ball valve manufacturer

Worm gear operated 8'' 900LB A105 hard face trunnion mounted full port RTJ connection 3 pc ball valve

Productdescription: Designstandard :API 6D Testingand inspection: API 598 Featuresof trunnion mounted ball valve Ona trunnion mounted ball valve, wher... More