Robuta

https://patents.google.com/patent/CN213870247U/en CN213870247U - Hydraulic end of three-plunger reciprocating ultrahigh pressure plunger pump -... The utility model provides a hydraulic end of a three-plunger reciprocating ultrahigh pressure plunger pump, which comprises a pump head, a packing box... hydraulic endthreeplungerreciprocatingpressure