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.

Main Technical Parameters


Product Model

  
SN-STP350

Max. Brake Power kW (BHP)

265355

Max. Load of Connecting Rod kNlbf)

498112050

Stroke (mm)

1275″

Transmission Ratio

4.321

Length×Width×Height (mm)

1760×1178×85069.29″×46.38″×31.7″

Weight  kglbs

20504520

   

 

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)