The Plunger Pump

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Plunger pump is designed to inject the working liquid during hydraulic fracturing of oil and gas-bearing formations, cementing, hydro-sand-blast perforation, washing out sand plugs, well killing and other washing and squeezing jobs during the development and operation of wells.

Pump Description

Plunger diameter mm


Feed per revolution


The greatest pressure and theoretical capacity at a rotational speed of the crank shaft rev/min


85

125

150

175

200

250

325

dm3/

rev

МPа

L/min

МPа

L/min

МPа

L/min

МPа

L/min

МPа

L/min

МPа

L/min

МPа

L/min

kgf/cm2

hp

kgf/cm2

hp

kgf/cm2

hp

kgf/cm2

hp

kgf/cm2

hp

kgf/cm2

hp

kgf/cm2

hp

PP-720х105

80

2,47

105

210

105

309

99,6

371,8

85,4

432

74,7

499

59,8

617,4

46

802,8

1050

3,5

1050

5,15

996

6,18

854

7,2

747

8,23

598

10,29

460

13,38

PP-720х80

90

3,13

80

266,8

80

391,2

78,7

469,8

67,4

547,8

59

626

47,2

782,5

36,3

1017

800

4,43

800

6,52

787

7,83

674

9,13

590

10,43

472

13,04

363

16,95

PP-720х63

100

3,86

63

328

63

482,5

63,7

579

54,5

675,5

47,7

772

38,2

965

29,4

1254

630

5,47

630

8,04

637

9,65

545

11,26

477

12,87

382

16,08

294

20,9

PP-720х50

110

4,68

50

397

50

584,5

51,6

701

44,2

818

38,7

935

30,9

1169

23,8

1519

500

6,62

500

9,74

516

11,69

442

16,64

387

15,59

309

19,48

238

25,3

PP720х40

125

6,04

40

513

40

755

39,9

906

34,2

1057

29,95

1208

23,96

1510

18,4

1962

400

8,6

400

12,6

399

15,1

342

17,6

299,5

20,1

239,6

25,2

184

32,7

PP-720х32

140

7,57

32

643

32

946,3

31,9

1135,5

27,3

1325

23,9

1514

19,1

1892,5

14,7

2461

320

10,73

320

15,77

319

18,93

273

22,08

239

25,23

191

31,54

147

41,02



NOTE: Pump characteristics listed in the table depend on the capacity of the drive and the speed of the pump shaft and may vary.

3.Components

Hydraulic part consists of a hydraulic unit with the suction and discharge valves and pistons with seals. There is a stainless steel suction manifold at the bottom of the hydraulic unit. The appropriate type of the hydraulic unit depends on the diameter of the installed plungers. Sealing cups of plunger are made of metallfluoroplastic. Sealing is urged by pressure screw. Suction and discharge valve assemblies of one size include valve seat guide and spring. The pump is equipped with a spark gap for use in pump systems with non-return valve in the discharge line manifold and a lack of pressure relief system.
Driving part includes a welded base frame in which there are longitudinally arranged three connecting rod and crosshead groups and a transverse main shaft. Closed-end frame, with the upper and lower guide plates for the crosshead. The lower part of the frame forms a sump with oil hole. On the cover of the frame there is a vent designed to make the air pressure inside the frame equal to atmospheric pressure. Each connecting rod and crosshead group includes forged connecting rod and crosshead, in the small and large head of which bearings are mounted.
Lubrication system includes a lubrication system of the plungers, the lubrication system of the drive. Plungers lubrication system uses check valves.

Order product
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