Hinge bent pipe

　　The pump truck hinge is the beginning of the pump truck pipe. One end is connected with the pump truck hopper, and the other end is connected with no.2 elbow, which is often referred to as no.1 elbow by the user.

　　According to the different brands, the pump car hinge bend can be divided into intermediate hinge, trinity hinge, and other brands of hinge, among which the most common is trinity hinge and intermediate hinge.

　　The pump truck hinge is cast, the service life is over 30,000 to 40,000 square, the price is around 1000 yuan.Now many hinge manufacturers in order to improve wear resistance, pump car hinge general wear-resistant welding, the service life of this hinge is around 100,000 square, the price is much higher.