The Gate Valve is a shutter for opening and closing, and the Globe Valve is also called a shut-off valve. It is a forced-sealed valve. The Check Valve refers to a circular valve whose opening and closing member is operated by its own weight and medium pressure to block the reverse flow of the medium.

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Ball Valve, the opening and closing member (sphere) is driven by the valve stem and rotates around the axis of the ball valve. It can also be used for fluid regulation and control. The hard-sealed V-ball valve has a strong shear force between the V-shaped core and the metal seat of the hard-facing alloy. It is especially suitable for fiber-containing, micro-solid particles, etc.

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The butterfly Valve, also known as the flap valve, is a simple regulating valve. The butterfly valve that can be used for the switching control of the low-pressure pipeline medium means that the closing member (valve or disc) is a disc that rotates around the valve shaft to achieve opening and closing a kind of valve.

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The low temperature valves include cryogenic Ball Valves, Low Temperature Gate Valves, Low Temperature Globe valves, Low Temperature Safety Valves, Low Temperature Check Valves, etc., mainly used in chemical plants such as 300,000 tons of ethylene and liquefied natural gas. The output of liquid low-temperature medium such as ethylene, liquid oxygen, liquid hydrogen, liquefied natural gas, liquefied petroleum products, etc., is not only flammable and explosive, but also vaporizes when heated, and expands several hundred times in volume when gasified.

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The Regulating Valve also known as control valves, in the field of industrial automation process control, by accepting the control signals output by the control unit, by means of power operation to change the final control elements of the process parameters such as medium flow, pressure, temperature, liquid level. It usually consists of an actuator and a valve.

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