Falling objects control pump

Falling objects control pump Independent grit channel, effectively preventjammed. Special oil inlet channel structure design,effective sand control.Stable performance and long service life, reducethe operation cost.Suitable for sand, high temperature, corrosion,etc. Well conditions. Product description: The standing valve cage of the falling objects control pump adopts the ring space design, falling object space is large,So that it can avoid oil inlet blocked by falling of