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QWS2500 Fluid End Assembly

Home / Products / Custom Spare Part / QWS2500 Fluid End Assembly

QWS2500 Fluid End Assembly

We supply 4–5.5 inch substitute parts for SPM QWS2500 pump assemblies with genuine OEM quality. And we can develop new spare parts according to equipment and downhole conditions.

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  • Product Details
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QWS2500FLUID END ASSEMBLY

LOC

Part Description

QTY

Material

1

Valve seat

10

8620H/20Cro

2

Valve Seat O-Ring

10

NBR

3

Valve body

10

8620H

4

Valve Inseat

10

TPU

5

Discharge Cover

4

4340/42CrMo

6

Discharge(Suction) Cover O-Ring

10

NBR

7

Cover Seal (D-RING)

5

TPU

8

6.75 Retainer

9

4140/4340

9

Follower Seal

5

NBR

10

Pressure Ring

10

NBR

11

Plunger Adapter

5

ZCuAL9-4-4-2

12

Lanter Ring

5

ZCuAL9-4-4-2

13

Plunger Retainer Oil Seal

5

NBR

14

Plunger Retainer

5

4340/42CrMo

15

Plunger

5

40Cr

16

Clamping Band

5

4140/42CrMo

17

Clamp Screw

10

35CrMo/42CrMo

18

Spring Stop

5

ZG40Cr

19

Gauge Cover

1

4330V

20

2" FIG Seal Ring

1

NBR

21

Gauge Retainer

1

42CrMo

22

Suction Cover

5

4340/42CrMo

23

Parker Seal 9

5

NBR

24

Stud Bolt & Nut

12

4140H/42CrMo

25

Flat washer

12

Q235

26

Discharge Flange Nut

12

42CrMoA

27

Discharge Flange

1

4330V/4340

28

Discharge Flange Seal(D-ring)

1

NBR

29

3" FIG Seal Ring

1

NBR

30

Blind Flange

1

4140

31

Spring

10

302

32

Plunger Spacer

5

1045/45#

33

Discharge Flange Seal(D-ring)

1

NBR

QWS 2500 Classic Performance Data

PLUNGER DIAMETER

OUTPUT PER REV

DISPLACEMENT AT PUMP STROKES PER MINUTE / PINION RPM

111/705

150/953

200/1271

250/1588

330/2100

mm (in)

gal/re (liter/rev)

gpm (lpm)

Kg/cm² (PSI)

gpm (lpm)

Kg/cm² (PSI)

gpm (lpm)

Kg/cm² (PSI)

gpm (lpm)

Kg/cm² (PSI)

gpm (lpm)

Kg/cm²(PSI)

88.9

(3 1/2”)

6.3

(1.67)

700

(185)

1406

(20000)

950

(251)

1083

(15365)

1264

(334)

814

(11546)

1582

(418)

650

(9226)

2086

(551)

493

(6999)

95.3

(3 3/4”)

7.2

(1.91)

802

(212)

1255

(17420)

1086

(287)

947

(13437)

1446

(382)

711

(10096)

1809

(478)

569

(8068)

2385

(630)

431

(6121)

101.6

(4”)

8.2

(2.17)

912

(241)

1077

(15315)

1234

(326)

834

(11830)

1643

(434)

626

(8886)

2055

(543)

500

(7102)

2710

(716)

380

(5386)

114.3

(4 1/2”)

10.4

(2.75)

1154

(305)

851

(12100)

1563

(413)

658

(9338)

2082

(550)

494

(7012)

2604

(688)

395

(5605)

3437

(908)

299

(4247)

127.0

(5”)

12.9

(3.40)

1427

(377)

689

(9800)

1930

(510)

533

(7562)

2574

(680)

400

(5671)

3217

(850)

320

(4537)

4247

(1122)

242

(3437)

139.7

(5 1/2”)

15.6

(4.11)

1726

(456)

569

(8100)

2335

(617)

440

(6250)

3111

(822)

331

(4692)

3891

(1028)

264

(3751)

5132

(1356)

200

(2844)

146.1

(5 3/4”)

17.0

(4.49)

1885

(498)

521

(7410)

2551

(674)

403

(5722)

3399

(898)

303

(4295)

4251

(1123)

242

(3434)

5609

(1482)

183

(2602)

152.4

(6”)

18.5

(4.89)

2055

(543)

478

(6805)

2778

(734)

370

(5254)

3702

(978)

278

(3943)

4629

(1223)

222

(3153)

6109

(1619)

168

(2382)

165.1

(6 1/2”)

21.7

(5.74)

2411

(637)

408

(5800)

3259

(861)

316

(4479)

4345

(1148)

237

(3359)

5431

(1435)

189

(2687)

7169

(1894)

143

(2036)

INPUT POWER: BHP (Kw)

1790

(2400)

1866

(2500)

1866

(2500)

1866

(2500)

1866

(2500)

1. Based on 90% ME and 100% VE - Intermittent Service Only.

2. Pumps with pressures in excess of 15,000 psi require special gauge and discharge flanges. Contact SPM Engineering for information.

 

Note: This chart shows this pump's performance at max hydraulic horsepower. Notice as the plunger size for the pump increases, a greater max flow rate is achieved while the max pressure decreases.

Recommended Products

  • SPM 4.5-inch plunger

  • Valve Body

  • Valve Seat

  • Spring

  • Seal

About Us
Anhui Exwell New Energy Technology Co., Ltd.

Founded in 2019, Anhui Exwell New Energy Technology Co., Ltd. is a professional supplier of petroleum industry spare parts.

Our 20-acre manufacturing base sits in Wuhu, Anhui, staffed by a team of 50–99 professionals. We boast an annual production value of USD 85.7 million, with export volume hitting USD 34.2 million, supplying oil and gas markets globally. Our international sales and procurement teams are based in Xuancheng, Anhui.

Covering extraction, drilling and refining core components, we deliver versatile, durable standard spare parts plus tailor-made solutions for domestic and overseas oil & gas firms. Supported by standardized production, rigorous quality control, a mature supply chain and fast-response service, we guarantee stable product performance, reliable delivery and efficient operation for client projects.

Going forward, Exwell will keep focusing on petroleum spare parts, upgrade our product portfolio and services, and cooperate with industry partners to advance high-quality development of the oil and gas sector.

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