api 4 plunger pump valve and seat

API 4# Frac & Cement plunger Pump Valve and Seat Assembly Plunger: hard surface-coated or flame-sprayed, long service life. Plungers are used to pull fluid into the fluid end through the suction valve and push it out through the discharge valve. They do it by retracting from the fluid end to create volume in the fluid end chamber and then extending back into the fluid end chamber to displace volume and push the fluid out. Valve & Seat......

... liner,the bush and the suction valve well on the ground,and connect at the bottom of the oil,into the wells,then use the sucker rod pump through tubing to put the piston is provided with a discharge valve into the pump. Product Feature: 1. Rod pump can...

...Valve 2 7/8" For API ESP Equipment ​ The check valve is installed about two to three joints above the ESP pump to maintain a full liquid column in the tubing string during equipment shut down period. The check valve is designed and used to prevent backflow through a pump, which uses a seat and plunger to block downward flow in the tubing string.. The check valve is a shuttle type poppet valve......