Gas safety valve is a device for supporting new gas pipeline project. Used to cut, turned, adjusting the gas pipeline, with good control characteristics and closed sealing performance.
2013年5月9日星期四
Piece hydraulic testing machine
Pipe connection, control, change direction, Split seal piping system composed of.
Steel pipe fittings pressure fittings. Processing is divided into three categories, namely first-class welding end pieces (minimum two) and welding, socket welding and threaded pipe fittings, flanges, valves. socketless fitting
The tubular element connected to the piping components. Welding pipe fittings, threaded pipe fittings, flanges, valves and fittings method can be divided into four categories, depending on the connection. Multi-use made of the same material as the tube. Elbow (elbow), flanges, T-, four-way pipe (cross-head) and has a diameter tube (the size of the first). Angle-piece tube, in turn, the flanged pipe portion are connected together, the end portion of the collecting tube of the T-shaped member age four tubes collected by the three tubes, a four-way pipe tube having two different diameters The diameter of the pipe connection.socketless fitting
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