Triplex / Quintuplex
High-pressure reciprocating plunger pumps.
Also called: high-pressure reciprocating pump, plunger pump, triplex / quintuplex pump.
Continuous-duty triplex and quintuplex plunger pumps with low maintenance, built to the rated horsepower and engineered for your liquid.
- Max. pressure
- 700 kg/cm² (686 bar · 9,956 psi)
- Flow
- 0.6 – 1,907 l/min (up to 114 m³/h · 504 US GPM)
- Models
- UT-2500 to UT-20000, plungers 10–150 mm
- Materials
- SS 304 / 316 / 316L, Al-bronze, special alloys
Overview
Up to 700 kg/cm².
Up to 1,907 l/min.
Six UT frames, UT-2500 to UT-20000, with plungers from 10 to 150 mm, so one family covers everything from chemical injection to bulk water disposal.
- Chemical injection
- Detergent slurry
- Boiler feed
- Process water disposal
- Hydro-jetting & cutting
- Vehicle wash
- Hydrostatic testing
- Reverse osmosis
- Cement grouting
- Salt water injection
- Mechanical separation
- Ammonia scrubber
Power end
Engineered for the rated horsepower.
Sealed crank case
Sturdy, completely sealed mild-steel crank case.
Alloy-steel crank shaft
Heavy-duty, accurately machined, hardened and ground.
Full piston-type cross head
Accurate plunger alignment with minimal side thrust.
Self-lubricated connecting rods
Accurately machined from high-grade material.
Pressure lubrication
Combined pressure lubrication to crank shaft and cross heads.
Tapered roller bearings
High-quality bearings support the crank shaft at both ends.
Liquid end
Crafted for the liquid you pump.
Liquid ends are made to order in corrosion- and fatigue-resistant materials. Diaphragm-type liquid ends are available for toxic and hazardous liquids.
- Piston or plunger type liquid ends
- Poppet, ball or disc valves to suit the application
- Surface-treated plungers as standard. Ceramic-coated, hard-chrome or nitrided on request
- Gland flushing, cooling and lubrication against specific orders
Accessories
- Flanges
- Relief valve
- Back-pressure valve
- Pulsation dampener
- Suction tank
- Jetting gun
- Nozzles
- High-pressure valve
- Trolley
Capacity selection guide
UT series at a glance.
Flow in litres per minute at pump speed. Pressure is the maximum discharge pressure at maximum RPM.
| Model | Plunger (mm) | Max. pressure (kg/cm²) | 100 RPM | 150 RPM | 200 RPM | 300 RPM | 400 RPM |
|---|---|---|---|---|---|---|---|
| UT-2500 | 10 | 700 | 0.60 | 0.89 | 1.27 | 1.90 | 2.60 |
| 15 | 340 | 1.45 | 2.15 | 2.90 | 4.30 | 5.80 | |
| 20 | 105 | 2.50 | 3.75 | 5.00 | 7.50 | 10.00 | |
| 25 | 125 | 4.00 | 6.00 | 8.00 | 12.00 | 16.00 | |
| 30 | 100 | 5.30 | 8.00 | 10.70 | 16.15 | 21.53 | |
| UT-4000 | 20 | 350 | 3.50 | 5.00 | 7.00 | 10.00 | 13.00 |
| 25 | 220 | 5.00 | 8.00 | 10.00 | 16.00 | 21.00 | |
| 30 | 150 | 7.50 | 11.00 | 15.00 | 22.00 | 30.00 | |
| 35 | 110 | 10.50 | 15.50 | 21.00 | 31.00 | 42.00 | |
| 40 | 85 | 13.50 | 20.00 | 27.00 | 40.00 | 54.00 | |
| UT-5000 | 25 | 440 | 7.00 | 11.00 | 14.00 | 22.00 | 29.00 |
| 30 | 300 | 10.50 | 15.50 | 21.00 | 31.00 | 42.00 | |
| 40 | 170 | 18.50 | 27.50 | 37.00 | 55.00 | 74.00 | |
| 50 | 100 | 29.00 | 43.50 | 58.00 | 87.00 | 116.00 | |
| 55 | 90 | 35.50 | 53.00 | 71.00 | 106.00 | 142.00 | |
| UT-7000 | 30 | 500 | 13.00 | 20.00 | 26.00 | 40.00 | 53.00 |
| 40 | 270 | 23.50 | 35.50 | 47.00 | 71.00 | 95.00 | |
| 50 | 180 | 37.00 | 55.50 | 74.00 | 111.00 | 148.00 | |
| 55 | 150 | 45.00 | 67.50 | 90.00 | 135.00 | 180.00 | |
| 60 | 120 | 53.00 | 79.00 | 106.00 | 158.00 | 212.00 | |
| UT-10000 | 50 | 300 | 53.00 | 79.00 | 106.00 | 158.00 | 212.00 |
| 60 | 235 | 76.00 | 114.00 | 152.00 | 228.00 | 304.00 | |
| 65 | 198 | 90.00 | 135.00 | 180.00 | 270.00 | 360.00 | |
| 70 | 170 | 103.50 | 155.00 | 207.00 | 310.00 | 414.00 | |
| 75 | 150 | 119.00 | 178.50 | 238.00 | 357.00 | 476.00 | |
| 80 | 132 | 135.00 | 202.50 | 270.00 | 405.00 | 540.00 | |
| UT-20000 | 62 | 200 | 162.00 | 243.00 | 325.00 | — | — |
| 82 | 180 | 316.50 | 474.00 | 633.00 | — | — | |
| 102 | 160 | 440.00 | 660.00 | 880.00 | — | — | |
| 120 | 140 | 610.00 | 915.00 | 1,220.00 | — | — | |
| 140 | 120 | 830.00 | 1,245.00 | 1,660.00 | — | — | |
| 150 | 100 | 953.50 | 1,430.00 | 1,907.00 | — | — |
UT-20000 is rated up to 200 RPM. Quintuplex versions and other plunger sizes are available on request.
Standard materials of construction
Five standard material options.
Columns are named by liquid-end body material. Alloy 20, Monel, Hastelloy and other special materials are made against specific needs.
| Part | Steel | SS 304 | SS 316 | Aluminium Bronze | SS 316 L |
|---|---|---|---|---|---|
| Liquid end body | Steel | SS 304 | SS 316 | Aluminium Bronze | SS 316 L |
| Valve | SS 410 | SS 304 | SS 316 | SS | SS 316 L |
| Valve seats | SS 410 | SS 304 | SS 316 | SS | SS 316 L |
| Valve spring | SS 304 | SS 304 | SS 304 | SS | SS |
| Plunger | SS 410 | SS 304 | SS 316 | SS | SS 316 L |
| Gland | SS 410 | SS 304 | SS 316 | SS | SS 316 L |
| Gland packing | PTFE / Asbestos rubber | PTFE / Rubber asbestos | PTFE / Rubber asbestos | PTFE / Rubber asbestos | PTFE / Rubber asbestos |
| 'O' ring | Teflon | Teflon | Teflon | Teflon | Teflon |
Spare parts
Every part, coded.
Quote the part code when ordering spares for your UDAY triplex pump.
Power end assembly
| Sr. | Part code | Description | Material | Qty |
|---|---|---|---|---|
| 01 | 501 | Main body | C.I. | 1 |
| 02 | 502 | Top cover | C.I. | 1 |
| 03 | 503 | Bearing cover (I) | C.I. | 1 |
| 04 | 504 | Bearing cover (II) | C.I. | 1 |
| 05 | 505 | Drain plug | M.S. | 1 |
| 06 | 506 | Crank shaft | EN24 | 1 |
| 07 | 507 | Connecting rod | STD | 3 |
| 08 | 508 | Piston | C.S. | 3 |
| 09 | 509 | Sleeve nut | C.I. | 3 |
| 10 | 510 | Sleeve | C.I. | 3 |
| 11 | 511 | Plunger side oil seal | 3 | |
| 12 | 512 | Bearing cover side oil seal | 1 | |
| 13 | 513 | Crank shaft bearing | 2 | |
| 14 | 514 | Piston pin | STD | 3 |
| 15 | 515 | Allen pin for connecting rod | UNbr | 6 |
| 16 | 516 | Window cover | C.I. | 1 |
| 17 | 517 | Gauge glass cover | C.I. | 1 |
| 18 | 518 | Gauge glass | PL. | 1 |
| 19 | 519 | Allen pin for gauge glass cover | STD | 1 |
| 20 | 520 | Hex bolt for bearing cover | STD | 12 |
| 21 | 521 | Hex bolt for window cover | STD | 8 |
| 22 | 522 | Air plug | C.S. | 1 |
| 23 | 523 | Hex bolt for top cover | STD | 12 |
| 24 | 524 | Gazanpin lock | STD | 6 |
Liquid end assembly
| Sr. | Part code | Description | Material | Qty |
|---|---|---|---|---|
| 01 | 501 | Main body | C.I. | 1 |
| 30 | 530 | Liquid end body (block) | SS | 3 |
| 31 | 531 | Gland | SS | 3 |
| 32 | 532 | Gland nut | SS | 3 |
| 33 | 533 | Gland packing | PTFE | 3 sets |
| 34 | 534 | Round collar | C.I. | 3 |
| 35 | 535 | Plunger | SS | 3 |
| 36 | 536 | Liquid end holding flat | M.S. | 3 |
| 37 | 537 | Hex bolt for liquid end holding flat | SS | 6 |
| 38 | 538 | Discharge valve seat (II) | SS | 3 |
| 39 | 539 | Discharge valve seat (I) | SS | 3 |
| 40 | 540 | Suction valve seat (II) | SS | 3 |
| 41 | 541 | Suction valve seat (I) | SS | 3 |
| 42 | 542 | Valve | SS | 6 |
| 43 | 543 | Valve seat gasket | Teflon | 12 |
| 44 | 544 | Discharge header | SS | 1 |
| 45 | 545 | Suction header | SS | 1 |
| 46 | 546 | Header holding flat | M.S. | 6 |
| 47 | 547 | Stud | M.S. | 8 |
| 48 | 548 | Nuts for stud | M.S. | 16 |
| 49 | 549 | Spring | — | 6 |
Get a price for your duty.
Share the liquid, flow, pressure and suction conditions. Our engineers will recommend the right model, plunger and materials.