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Api Trunnion Ball Valve - China

price: contact company for price

Valve style Fixed Ball

Size 2~24”(DN50~DN600)

Rating 150~1500LB(PN16~PN250)

Body Materials Cast Carbon Steel, Stainless Steel, Duplex Steel

Trim Carbon Steel, Stainless Steel, Duplex Steel

Suitable medium:water, oil, steam

Suitable temperature: -46℃~ 500℃

Design Std:API

Trunnion ball valve are the three different types of rotary valves used in industrial plants. They are widely used in fluid-handling systems for flow control. These types of rotary valves are suitable for corrosive applications. They are used in detergent, pharmaceutical, chemical, rubber, pulp and paper plants, water treatment systems, textile mills and food processing plants, In general, ball valves offer many advantages when contrasted with other valve types.

1.Free leakage of body Sealed construction

The connective position of valve body and bonnet is double sealed by gasket and O-ring, on this base, such factors as fire, high temperature, shock and uneven opening or closing of the torque all can't induce external leakage.

2.Low torque in operation

The self-lubricated bearings are installed at the friction of stem, resulting in wear resistance, fiexibility of operation and low torque.

3. Double block&bleed(DBB valve)

When ball is full open or close position, the transmitter substance in center cavity of body can be released by drainage and emptying devices.In addition, the over loaded pressure in the center cavity of valve can be released to low pressure end by self relief seat.


Company Contact:


  • Phone: 8613775570304

  • Address: Guannan Industry zone, Lianyungang, China

  • Email: Email


Published date: August 30, 2013 -

  • Business Description: Chengyi Valve Company is a professional manufacturer in producing

    industrial valves. In 2007, a high tech industry zone named Jiangsu

    Chengyi Valve Co., Ltd was established in Jiangsu Province, which covers

    35000 square meters, including 20500 square meters of building.

    Integrating with research, design, manufacture and sales, it was a

    turning point for Chengyi Valve Company. At present, Chengyi Valve's

    yearly export value can reach 15 million dollar.

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