SN-STP350 three-cylinder plunger pump

SN-STP350 three-cylinder plunger pump is a kind of horizontal single-acting three-cylinder plunger pump widely used in cementing, small fracturing and circulating operation equipment. The power end model is PG05, the shell is made of structural steel welded structure, the hydraulic end can choose 5", 4-1/2", 4", 3-3/4" plungers to meet the user's requirements for different pressures and displacements.

Description
Inquiry

Main Technical Parameters

Product Model	SN-STP350
Max. Brake Power kW (BHP)	265（355）
Max. Load of Connecting Rod kN（lbf)	498（112050）
Stroke (mm)	127（5″）
Transmission Ratio	4.32：1
Length×Width×Height (mm)	1760×1178×850（69.29″×46.38″×31.7″）
Weight kg（lbs）	2050（4520）

Performance Parameters Table

Pump Stroke (rpm)	50		120		200		300		350
Plunger Diameter	Displacement	Pressure	Displacement	Pressure	Displacement	Pressure	Displacement	Pressure	Displacement	Pressure
In(mm)	L/min(GPM)	MPa(Psi)	L/min(GPM)	MPa(Psi)	L/min(GPM)	MPa(Psi)	L/min(GPM)	MPa(Psi)	L/min(GPM)	MPa(Psi)

3-3/4"(95.25)	136(36)	68.9(10000)	271(72)	52.8(7658)	543(143)	26.4(3829)	814(215)	17.6(2553)	950(251)	15.1(2190)
4"(101.6)	154(41)	60.6(8790)	309(82)	46.3(6715)	618(163)	23.2(3365)	927(245)	15.4(2234)	1081(286)	13.2(1915)
4-1/2"(114.3)	197(52)	48.3(7000)	391(103)	36.6(5308)	782(207)	18.3(2654)	1173(310)	12.2(1769)	1368(366)	10.5(1523)
5"(127)	241(64)	38(5500)	483(128)	29.6(4293)	965(255)	14.8(2147)	1448(383)	9.9(1436)	1689(446)	8.5(1233)