Jining Donghong Machinery Co., Ltd
Quality supplier of drilling rig parts for Bomco,Lanzhou LS, Honghua, Sj petro, Rg Petro, Beijing BPM, Shenkai, Kingdream, CCDC

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TPH 400 Triplex Pumps 
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TPH 400 Triplex Pumps are goodfor high-pressure well service. Each pumpis equipped with anintegral gearreduction box. The Triplex Pumps are designed to pump cement slurries, sand-laden fluids crude oil, acids, mud and other oil well servicing fluids.


TPH 400 Specifications

Power End

Companion Flange 1800 Series Spicer

Input Spline 3-in.-10 (7.62 cm)

Input Speed w/8.6:1 Gears   2,400 rpm maximum

Maximum Input Torque   7215 ftlb

Maximum Input Hp   600hp

Maximum Rod Load 175,800 lbof


Fluid End

Fluid-End   Three piece forged steel

Plunger Type   Hard surfaced

Valve Type   Double stem guided, carburized

Valve Seats... Carburized

Pressure Packing High performance packing

Discharge Flange.

(1) Blank, straight with one outlet

or (2) ell with two outlets


Standard Equipment and Features

Gear Train Steel worm and bronze ring w/ 8.6:1 ratio (standard)

Crankshaft forged steel, four main bearings

Connecting rods. forged aluminum, split caps,and insert bearings

Crossheads Cast steel

Case .Hi.hestrengt steel weldment

Bearing Roller and race

0il System.Gear pump driven off worm (std) or remote

0il Filter. Replaceable elements and magnetic strainer

Oil capacity .22 U.S. gal

Oil Pressure 80 to 100 psi


TPH400 Triplex Pump Intermittent Well Service Ratings


Plunger DiameterDisplacement per RevolutionDISPLACEMENTATPUMPPLUNGERSTROKES PERMINUTE/PINIONRPM
32/27570/598128/1099171/1469244/2100
in (mm)gal/rev (liter/rev)gpm(Lpm)psi (mpa)gpm(Lpm)psi (mpa)gpm(Lpm)psi (mpa)gpm(Lpm)psi (mpa)gpm(Lpm)psi (mpa)
4” (101.6)131 (4.94)41.8 (158)14000 (96.5)91 (344)10190 (703)167 (632)5545 (382)223 (844)4152 (28.6)319 (1206)2903 (20)
41/2" (114.3)1.65 (6.25)53 (200)11200 (77.2)115 (435)8051 (55.5)211 (800)4381 (302)282 (1067)3280 (22.6)403 (1527)2294 (15.8)
Input Power HP(kw)346(257)600(447)600(447)600(447)600(447)


TPH400 Triplex Pump Fluind end easy-wear parts

GasketP40-40-103
Retaining ringP40-44-709
Valve guide sleeveP40-40-112
Valve springP40-40-106
valveP40-40-107
valve rubberP40-40-108
VersaillesP40-40-109
O-ring seal000P569240
BOOT,SUCTION STOPP40-40-215
Packing assemblyP8T0009400
Plunger head seal ringP40-40-512
PlungerP40-40-533
Outlet gasketP40-40-612
Union seal ringF4P-10-258
Union seal ringF4P-10-229
GasketP40-40-708
Retaining ringP40-40-709
O-ring seal000P569436
O-ring seal000P569432
Rubber gasketP40-08-008
U-shaped sealing ringP40-15-133
O-ring seal000P569155



KIT,SPARE PARTS,TPH400,3 3/8"3 3/8"P40--00-906
GASKET 3 3/8 "P40-40-708
Retainer ring (3 3/8 ")P40-40-709
Valve guide sleeveP40-40-112
springP40-40-106
ValveP40-40-107
Valve rubberP40-40-108
Valve seatP40-40-109
O ring000P569240
Plastic capP40-40-215
Packing assyP8T0009337
Plunger head seal ringP40-33-512
Plunger 3 3/8 "(short pulling rod)P40-33-533
Seal ring, 2 1/2 'P40-33-711
2 "Union seal ring, fig2002X05-9537
2 "Union seal ring, fig2002X05-9537
Gasket 3 3/8 "P40-40-708
Retainer ring (3 3/8 ")P40-40-709
O ring000P569436
O ring000P569432
Rubber gasketP40-08-008
U type sealP40-15-133
O ring000P569155

KIT,SPARE PARTS,TPH400, 4"P40-00-904
GASKET P4-40-103
Retainer ring P40-44-709
Valve guide sleeveP40-40-112
springP4-40-106
ValveP40-40-107
Valve rubberP4-40-108
Valve seatP40-40-109
O ring00P0569200
Plastic capP40-40-215
Packing assyP8T0009400
Plunger head seal ringP4-40-512
Plunger 4" P4-40-533
outlet seal gasketP40-40-612
3 " Union seal ring, fig1502F4P-10-258
2 "Union seal ringF4P-10-229
Gasket 3 3/8 "P4-40-708
Retainer ring (3 3/8 ")P40-40-709
O ring000P569436
O ring00P05694322
Rubber gasketP4-0-08-008
U type sealP40-15-133
O ring000P569155


KIT,SPARE PARTS,TPH400,4 1/2" P40-00-905
GASKET P4-40-103
Retainer ring P4-44-709
Valve guide sleeveP40-40-112
Valve springP40-44-106
ValveP40-44-107
Valve rubberP40-44-108
Valve seatP40-44-109
O ring000P569244
Plastic capP4-40-215
Packing assyP8T0009450
Plunger head seal ringP40-44-512
Plunger   4 1/2"P40-44-533
outlet seal gasketP40-40-612
3 " Union seal ring, fig1502F4P-10-258
2 "Union seal ringF4P-10-229
Gasket P40-40-103
Retainer ring P4-44-709
O ring000P569436
O ring000P569432
Rubber gasketP4-0-08-008
U type sealP4-0-15-133
O ring000P569155


KIT,SPARE PARTS,TPH400,5" P40-00-907
GASKET P4-0-60-103
Seal steel ringP40-60-104
Valve guide sleeveP40-60-105
Valve springP4-0-60-106
ValveP40-60-107
Valve rubberP40-60-108
Valve seatP40-60-109
O ring000P569158
Plastic capP4-40-215
PACKING, SPS ,ASSY,5.000,TPH400P8T0009500
Plunger head seal ringP4-0-44-512
Plunger   5"P40-50-533
outlet seal gasketP40-40-612
3 " Union seal ring, fig1502F4P-10-258
2 "Union seal ringF4P-10-229
Gasket P40-60-103
Seal steel ringP4-0-60-104
O ring000P569436
O ring000P569432
Rubber gasketP40-08-008
U type sealP4-0-15-133
O ring000P569155


KIT,SPARE PARTS,TPH400,6" P40-00-908
GASKET   6"P40-60-708
Seal steel ring 6"P40-60-709
Valve guide sleeveP40-60-105
Valve springP40-60-106
ValveP40-60-107
Valve rubberP40-60-108
Valve seatP40-60-109
O ringP40-60-110
Plastic capP40-40-215
PACKING ASSY,6",TPH400P40-60-550
Plunger head seal ring 6"P40-60-512
Plunger   6"P40-60-533
outlet seal gasketP40-40-612
3 " Union seal ring, fig1502F4P-10-258
2 "Union seal ringF4P-10-229
Gasket P40-60-103
Seal steel ringP40-60-10
O ring000P569436
O ring000P569432
Rubber gasketP40-08-008
U type sealP40-15-133
O ring000P5695155