Understanding Ultra High Pressure Water Jetting Technology Ultra high pressure water jetting relies on a straightforward physical principle: water is pressurized by a triplex or intensifier pump, the...
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WHY3700 high-pressure pumps are built to operate at the continuous maximum duty stated in the performance parameters. Just compare the crankshaft speed, average plunger speed, plunger diameter, and power rating.
High-Pressure Pump
Weight: approx. 200 KG
Stationary unit with electric motor
Length: 1300 mm
Width: 900 mm
Height: 1000 mm
Weight: ≈650 kg
Stationary unit with diesel engine
Length: 1600mm
Width: 1200 mm
Height: 1500 mm
Weight: 850 kg
Features
Power ratings up to 37kw
Horizontal 3-cylinder design
Stainless steel pump head free of alternating stress
Spring preloaded high-pressure sealing make it last longer.
Solid solid ceramic plunger to ensure high strength and stable operation
An optional plunger cooling system can be used to enhance the seal life
The designed built-in reducer helps to improve transmission efficiency.
Special design of the crankcase magnetic filter
crankcase splash lubrication
An integrated ball type liquid inlet valve design greatly improves the efficiency of fluid mechanics.
Computational fluid mechanics design in dynamic load to ensure the highest reliability under max duty working conditions.
The crankshaft is made of a high strength forging process and is specially treated.
Main dimensions without accessories such as suction line, pressure regulator etc.
Detailed dimensional drawings and weights available on request.

| WHY3700 series | Rod force | 23KN | |||||||||
| Model | Plunger | Flow | Required power rate (kw) | Stroke | 54mm | ||||||
| diameter | 11 | 15 | 18.5 | 22 | 30 | 37 | 45 | n1 | n2 | ||
| (mm) | (l/min) | Operating pressure (bar) | r.p.m. | r.p.m. | |||||||
| WHY3712 | 12 | 11 | 520 | 700 | 870 | 1040 | 1400 | 1750 | 2100 | ||
| WHY3714 | 14 | 15 | 382 | 520 | 645 | 765 | 1040 | 1290 | 1565 | 1500 | 600 |
| WHY3716 | 16 | 20 | 293 | 400 | 490 | 590 | 800 | 985 | 1200 | 1500 | 600 |
| WHY3720 | 20 | 31 | 187 | 255 | 315 | 375 | 510 | 630 | 770 | 1500 | 600 |
| WHY3722 | 22 | 37 | 155 | 210 | 260 | 310 | 420 | 520 | 635 | 1500 | 600 |
| WHY3726 | 26 | 52 | 110 | 150 | 190 | 220 | 300 | 370 | 455 | 1500 | 600 |
| WHY3732 | 32 | 78 | 70 | 100 | 120 | 145 | 200 | 250 | 300 | 1500 | 600 |
| WHY3736 | 36 | 99 | 60 | 80 | 100 | 115 | 160 | 200 | 240 | 1500 | 600 |
| WHY3740 | 40 | 122 | 50 | 65 | 80 | 95 | 130 | 160 | 190 | 1500 | 600 |
| D=Piston/Plunger dia. [mm] | WHY3714~WHY3716: A type Fluid End, spring preload dynamic seal, SS fluid end |
| n1=Motor/Engine r.p.m | WHY3720~WHY3740: B-type Fluid End, Spring Preload Packing Seal, Alloy Steel Fluid End |
| n2=Crankshaft r.p.m | Conversion table: Rating 1kW=1.34HP |
| N2 Plunger speed:1.08m/s | Op.pressure 1bar=14.5psi=0.1Mpa |
| Rod force: 23KN | 1GPM=3.78L/M |
| Stroke:54mm |
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