China Gold Supplier for Grooved Type Butterfly Valve - API WCB Trunnion mounted ball valve – BESTOP

China Gold Supplier for Grooved Type Butterfly Valve - API WCB Trunnion mounted ball valve – BESTOP

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China Gold Supplier for Grooved Type Butterfly Valve - API WCB Trunnion mounted ball valve – BESTOP Detail:

Item Cast steel trunnion mounted ball valve Forged steel trunnion mounted ball valve
Size DN50-DN1000 DN50-DN600
Pressure Class150-Class900 Class150-Class2500
Available material Body:A216-WCB/A352-LCB/A351-CF8,CF8M,CF3,CF3M,Duplex
Seat:PTFE/RTPFE/PEEK/PPL
Stem:A105+ENP/A182-F6, F304,F316, F316L, F304L,17-4PH,F51
Ball:A105+ENP/A182-F6, F304,F316, F316L, F51
Body:A105/A182-F304,F316,F316L,F304L,F51
Seat:PTFE/RTPFE/PEEK/PPL
Stem:A105+ENP/A182-F6, F304,F316, F316L, F304L,17-4PH,F51
Ball:A105+ENP/ASTM A182-F6,F304,F316,F316L,F51
Feature 2 pieces/3 pieces body
Trunnion mounted ball,full &reduced bore
Anti-static device
Blow-out proof stem
Fire safe design
Emergency sealant injector
Vent valve, drain valve
Lifting lugs and supporting feet (8″ & larger).
Operation Lever/Gear/Pneumatic/Hydraulic/Electric
Standard Design:API 6D/ASME B16.34
Face to face:ASME B16.10
Flange:ASME B16.5
Butt welding:ASME B16.25
Test:API 598
Fire safe test:API 607/ API6FA

1.Easy operation:The ball is supported by upper and lower bearings,which reduces friction and eliminates excessive torque caused by the huge sealing load formed by the inlet pressure pressure the ball and the sealing seat.
2.Reliable sealing performance:PTFE single material sealing ring embedded in the stainless steel seat, the metal seat end is provided with a spring to ensure sufficient pre-tightening of the sealing ring, when the sealing surface of the valve is worn during use, the valve continues to ensure good sealing performance under the action of the spring.
3.The structure of the fire prevention: In order to prevent the appearance of sudden heat or fire, so that the PTFE sealing ring burned, large leakage, and fuel the fire,The fireproof sealing ring is arranged between the ball and the valve seat, when the sealing ring is burned, under the action of the spring force, the valve seat sealing ring is quickly pushed to the ball, forming a metal and metal seal, playing a certain degree of sealing effect.Fire resistance test conforms to APl6FA and APl607 standards
4.Automatic pressure relief function: When the pressure of the stagnant medium in the valve chamber rises abnormally beyond the preload of the spring,the seat recedes from the ball to achieve the effect of automatic pressure relief, and the seat automatically restores after pressure relief.
5.The discharge line:Discharge holes are arranged above and below the valve body to check whether the valve seat leaks, in the work, the valve is fully open or fully closed, remove the pressure in the cavity,the packing can be directly replaced,cavity retention can be discharged, reduce the medium to the valve pollution,reduce the contamination of the valve by the medium.

Trunnion mounted ball valve is suitable for general industrial pipeline,long line pipeline, high pressure medium pipeline and a variety of corrosive and non-corrosive media,widely used in chemical,metallurgy,petroleum and pharmaceutical.


Product detail pictures:

China Gold Supplier for Grooved Type Butterfly Valve - API WCB Trunnion mounted ball valve – BESTOP detail pictures

China Gold Supplier for Grooved Type Butterfly Valve - API WCB Trunnion mounted ball valve – BESTOP detail pictures

China Gold Supplier for Grooved Type Butterfly Valve - API WCB Trunnion mounted ball valve – BESTOP detail pictures

China Gold Supplier for Grooved Type Butterfly Valve - API WCB Trunnion mounted ball valve – BESTOP detail pictures


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Our enterprise insists all along the standard policy of product high-quality is base of business survival; client satisfaction could be the staring point and ending of an business; persistent improvement is eternal pursuit of staff as well as consistent purpose of reputation first, client first for China Gold Supplier for Grooved Type Butterfly Valve - API WCB Trunnion mounted ball valve – BESTOP , The product will supply to all over the world, such as: India, Cairo, Romania, We welcome you to visit our company, factory and our showroom displayed various products that will meet your expectation, meanwhile, it is convenient to visit our website, our sales staff will try their efforts to provide you the best service. If you need more information, please do not hesitate to contact us by E-mail or telephone.
  • The factory can meet continuously developing economic and market needs, so that their products are widely recognized and trusted, and that's why we chose this company.
    5 Stars By Geraldine from United Kingdom - 2018.12.10 19:03
    This is the first business after our company establish, products and services are very satisfying, we have a good start, we hope to cooperate continuous in the future!
    5 Stars By Pag from New York - 2018.05.22 12:13