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HT400 Fluid End Assembly

Home / Products / Custom Spare Part / HT400 Fluid End Assembly

HT400 Fluid End Assembly

We provide 3–5 inch replacement parts for Halliburton HT400 plunger pumps. All interchangeable spare parts meet OEM quality standards. And we accept custom parts built for different equipment and field conditions.

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HT400 FLUID END ASSEMBLY

LOC

Part Description

QTY

Plunger Size/Part Number

3‐3/8 In

4 In

4‐1/2 In

5 In

2

Valve Seat O-Ring

3

8.34037

8.34037

8.34041

8.34045

3

Valve Seat

3

316.21008

316.21008

316.22047

316.24024

4

Inserts

3

316.21048

316.21048

316.22046

316.24026

5

Valve Body

3

316.21007

316.21007

316.22048

316.24027

6

Spring

3

316.2108

316.2108

316.2308

316.27259

7

Discharge Cover

3

316.2109

316.23091

316.23091

316.24044

8

5.75''Retainer Nut

3

316.2102

316.2202

316.2202

316.2502

9

Gasket, Valve Cover

3

316.21052

316.22052

316.22052

316.25052

10

Ring, Spacer, Valve Cover

3

316.21051

316.22051

316.22051

316.22051

11

Spacer

3

316.21503

316.22503

316.23503

316.24503

12

Header Ring

3

316.21501

316.22501

316.23501

316.24501

13

Pressure Ring

1

316.21525

316.22525

316.23525

316.24525

14

Bushing Ring Copper

1

316.21532

316.22532

316.23532

316.24532

15

Lattern Ring

3

316.21393

316.22393

316.23393

339.01527

16

Lattern Ring O-Ring

3

8.34040 

8.34045

8.34049

8.34053

17

Lattern Ring Seal

3

316.21391

316.22396

316.23391

316.24391

18

Packing Pins

3

70.35817

70.35817

70.35817

70.35785

19

Plunger

3

316.21026

316.22294

316.23085

316.24296

20

Tie Rod, Plunger

3

316.21028

316.21028

316.21028

316.25165

21

Packing Retainer

3

316.2137

316.22987

316.2337

316.2437

22

Packing Support Seat

3

316.2138

316.2238

316.2238

316.2438

23

Plunger Plug Gasket

3

316.2130 

316.2230 

316.2330 

316.2330 

24

Nose, Plunger

3

316.2131

316.2231

316.2331

316.2331

25

Retainer, Guide Bushing

3

316.21096

316.21096

316.23953

316.24043

26

Insert, 2 PC Bushing, Valve Guide

6

316.22004

316.22004

316.22004

316.22006

Insert, 2 PC Bushing, Valve Guide

6

316.22005

316.22005

316.22005

316.22007

27

Spring Stop

3

316.22977

316.22977

316.22242

316.2584

28

Spring Pad

6

316.25233

316.25233

316.25233

316.25233

29

Circlip

3

316.2125

316.2125

316.22252

316.22253

30

Split Pin

3

316.2107

316.2107

316.2207

316.2407

31

Suction Cover Seal I

6

316.21051

316.21051

316.22051

316.2505

32

Suction Cover Seal Seal Ring

6

316.21052

316.21052

316.22052

316.25052

33

5.25''Retainer Nut

3

316.2102

316.2102

316.2202

316.2502

34

Bolt, Top-Tie

1

316.27488

316.27488

316.27488

316.27488

35

Pump Pull Rod Gasket

2

315.11183

315.11183

‐‐‐

‐‐‐

36

Pump Pull Rod Nut

4

316.11621

316.11621

316.11621

316.11621

37

Discharge Flange

1

316.21013

316.27482

316.27482

316.27482

38

Seal, Discharge Flange

1

315.27117

316.2547

316.2547

316.2547

39

Middle Connecting Rod Nut

2

70.32760 

‐‐‐

70.3276

70.3276

40

Middle Connecting Rod Spring Washer

‐‐‐

‐‐‐

316.22493

316.22493

‐‐‐

41

Middle Connecting Rod

1

316.23011

‐‐‐

316.23011

316.23011

42

Seal, Dischange Flange

6

315.27117

316.2547

316.2547

316.2547

43

Discharge Flange Bushing

2

316.2145

316.2545

316.2545

316.2545

44

Blind Flange

1

316.21980 

316.22980 

316.21980 

316.21980 

45

Pin, Cotter

6

70.35717

70.35717

‐‐‐

‐‐‐

Plunger diameter

Displacement per revolution

Pump plunger stroke per minute/small gear revolutions per minute

32/275

70/598

128/1,099

171/1,469

244/2,100

Inches (millimeters)

Gallons per RPM (liters per RPM)

gpm(lpm)

Pound per square inch (megapascal)

gpm(lpm)

Pound per square inch (megapascal)

gpm(lpm)

psi(mpa)

gpm(lpm)

Pound per square inch (megapascal)

gpm(lpm)

Pound per square inch (megapascal)

3 3/8”
(85.7)

0.93
(3.52)

29.7
(104)

20,000
(137.9)

64.7
(244.8)

14,314
(98. 6)

1188
(449.8)

7,789
(53. 7)

158.7
(600.8)

5,832
(40.2)

227.0
(859.2)

4,078
(28. 1)

  4”
(101.6)

1.31
4.94)

41.8
(158)

15,000
(103.4)

91
(344)

10,190
(70. 3)

167
(632)

5,545
(38. 2)

223
(844)

4,152
(28. 6)

319
(1,206)

2,903
(20)

 4.5”
(1 14.3)

1.65
(6.2 5)

53
(200)

11,200
(77.2)

115
(435)

8,051
(55.5)

211
(800)

4,381
(30. 2)

282
(1,067)

3,280
(22. 6)

403
(1,527)

2,294
(15.8)

  5”
(127)

2.04
(7.72)

65.2
(246.9)

9,000
(62. 1)

1419
(537 )

6,525
(45)

260.7
(987)

3,550
(2 4.5

348.5
(1,319)

2,656
(18.3)

498
(1,886)

1,858
(12.8)

  6”
(152.4)

2.94
(11.12)

93.9
(355.6)

6,250
(43. 1)

204.3
(773)

4,531
(312)

375.4
(1,421)

2,465
(17.0)

501.8
(1,899)

1,845
(12.7)

717
(2,715)

1,290
(8.9)

Input power horsepower(kw)

346

(257)

600

( 447)

600

(447)

600

(447)

600

(447)

*Based on 90% ME and 100% VE - intermittent service only

 

Recommended Products

  • 5.75 Cap Pressing

  • Pan Root Pressure Cap Support Seat

  • HT400 Suction Gland

  • HT400 Discharge Flange

  • Valve Body

  • HT400 Plunger

  • HT400 Valve Assembly

  • 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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