Production process of harness fittings Daquan four buckle

　　Four internal thread harness buckle pipe is a pipe fittings industry, its main function is to pass through the medium of shunt.

　　The main manufacturing standard internal thread buckle four harness fittings generally GB/T14383, ASME B16.11, BS 3799.

　　In four thread harness buckle pipe fittings in the production process is divided into wrought and cast two, forging is playing with a steel ingot or the rod heating forging forming, after the car is in the thread processing of a, the casting is refers to the ingot melting into the model, the cooling of a. Because the manufacturing process is different, the size of the pressure is also different, the pressure is much higher than the casting forging.