Ball Valve

Ball Valve Introduction
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Why natural gas pipelines must use forged steel ball valves

The natural gas pipeline forged steel ball valve is a forged steel structure, which is especially suitable for working conditions of gas, purified natural gas, acid natural gas, water, coal slurry and oil. It is suitable for oils with Class150~Class1500 and working temperature of -28~300°C. In the pipelines of various working conditions, such as chemical and thermal power stations, it acts to cut off or turn on the medium. Because the …

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Comparisons of Pneumatic Ball Valves and Electric Ball Valves

The pneumatic ball valve consists of the ball valve and the pneumatic actuator. It generally needs to be used in conjunction with accessories including the magnetic valve, air treatment FRL, limit switch, and positioner so as to be controlled remotely and locally as well as to be opened and closed in the control room. It improves safety, largely saves the cost of human resources and time, and makes manual control …

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Float Ball Valve design feature

BOW-OUT PROOF STEM For the purpose of preventing the stem from flying off resulting in abnormal rising of the inner pressure of valve,shoulder is fixed at the lower part of the stem.In addition,in order to prevent leakage resulting from burnout of packing set of the stem in a fire,thrust bearing is set at the contact position of the shoulder at lower part of the stem and ball valve body.Thus an inverse …

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