Sealing valve seat for well drilling slurry pump

The utility model provides a sealing valve seat for a well drilling slurry pump used in the petroleum industry, the sealing valve seat is installed in the well drilling slurry pump, and provides guarantee for safe running of the slurry pump. The sealing valve seat for a well drilling slurry pump comprises a valve seat body, the outer circle of the valve seat body is provided with a sealing groove, a sealing ring installed inside can be a metal ring. The sealing valve seat in the utility model is advantaged by simple manufacture, low cost, convenient installation, and easy maintenance. The sealing valve seat also effectively solves problem of leakage of valve seat, prolongs service life of cylinder body and valve seat, makes slurry pump run stably, and reduces generation of other accidents on the premise of stable and safe running of slurry pump.