Valve Seat Puller & Claw, which is a hydraulic device. The connecting screw thread between leading screw and claw is API Standard and it can be exchangeable. Claw is manufactured by ASTM1066 and has 3 armed, 4 armed and full open type, which is suitable for the size of API-5#,API-6#,API-7#,API-8# valve seat. Hydraulic valve seat puller is a removal service tool in a mud pump. The hydraulic valve seat puller is used to take installed mud pump valve seat out of mud pump fluid end module, during the process of replacing the valves seat or mud pump maintenance. At the same time, eliminate damage to fluid end expendables caused by removing valve seat with a cutting torch. Material: Full-threaded rod, claw head is 35CrMo forged. Hydraulic Valve Seat Puller Mud pump valve seat puller consists of oil cylinder, hydraulic hand pump with pressure gauge, all thread rod, puller claw etc. This tool is more effective to finish the maintenance and mud pump repair work with fewer manpower and shorter time. Advantage: simple structure, easy to use, can save a lot of manpower and time, and cost-effective.