3NB-350 drilling pump

Specifications

1.Rated power;350hp
2.Rated speed ;135SPM
3.Suction inlet:200mm (dia.)
4.Discharge outlet:76mm(dia.)

   

 

QZ3NB-350 drilling mud pump is the pump that the Qingzhou petroleum machinery factory research to manufacture. Design characteristics is an optimization parameter, increased the stroke properly, lowered the speed reasonably, improved the suction capability of the pump, prolonged the service life of wearing parts The pump used for oil-field and other industrial and mining establishments; Used for the drill, well workover and transport the liquid mediaMainly installed on 1000m rig.

The series pump produces according to SY5138 of the petroleum industry standard strictly, and carry through factory's experiment according to the standard

 

 

Based on 90% mechanical efficiency and 100% volumetric efficiency.

 

 

 

Pump Speed (SPM)	Liner Size  (mm)
	100	110	120	130	140		150		160
	Theoretical Displacement  (L/s)
135	9.5	11.5	13.7	16.1		18.7		21.5		24.4
115	8.1	9.8	11.7	13.7		15.9		18.2		20.8
MPa Pressure Rating	24	20	16.8	14.5		12.5		10.8		9.5