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The difference between a one-piece thread ball valve and a two-piece thread ball valve   Monday, 17 September 2018

Different materials can be used for water, gas, steam, oil, nitric acid, acetic acid and other media. The internal thread connection ball valve and the butt welding connection ball valve are divided into an integral type (one piece) and two stages. The valve body casting adopts the advanced technology introduced by Taiwan, with reasonable structure and beautiful appearance. The valve seat adopts elastic sealing structure, which is reliable in sealing and easy to open and close. The valve stem adopts a bottom-mounted structure with an inverted seal. When the valve cavity is abnormally boosted, the valve stem will not be flushed out. The two-piece ball valve connection has a butt weld (BW) socket weld (SW) and can be equipped with an international standard ISO bracket platform and locking device. It can be set with 90° switch positioning mechanism, and can be locked according to need to prevent misoperation. Drive mode: manual, electric and pneumatic.
A one-piece internal thread ball valve and a flange ball valve are the same type of valve. The difference is that the closing member is a ball, and the ball rotates around the center line of the valve body to open and close a valve. The ball valve is mainly used in the pipeline to cut, distribute and change the flow direction of the medium.
The ball valve is composed of a valve body and a valve cover, which is called a two-piece type, and one piece is integrally formed. The two-piece ball valve has improved one-piece valve with less flow, easy to leak, and increases the gland to prevent leakage.

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