Valve Guide(up And Down)
Shaanxi Rongle Petroleum Machinery Co.,Ltd is one of the best China valve guide(up and down) manufacturers and suppliers,Website:, and also a professional company and factory, welcome to import quality valve guide(up and down) products from us. Guider (upper), also known as the upper guider, is used for centering and positioning the discharge valve body assembly whose material is 20CrMnTi,treated through carburizing and quenching, the HRC is more than 60. Guider (lower) is installed in the inner chamber of the hydraulic cylinder ,for centering and positioning the suction valve body assembly. The guider consists of the guide way and the inner sleeve embedded in the guide way. The material of the guide way is ZG35CrMo, and the inner sleeve is treated by 20CrMnTi carburization and quenching.
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