Product Description
The BW250 Mud Pump is a versatile piston pump designed for water well and borehole drilling applications, delivering an efficient flushing fluid supply. Featuring a three-cylinder, double-acting design and a four-speed transmission, it provides a maximum flow rate of 250 liters per minute and a peak pressure of 6 MPa.
This mud pump is well-suited for core drilling, general drilling operations, and can handle even high-viscosity drilling mud. Its lightweight and compact structure makes it easy to transport, particularly in rugged or mountainous terrain. Flow rate and drilling depth can be adjusted to meet specific project requirements, including cement grouting tasks.
The BW250 Mud Pump is widely used in mineral exploration, geological surveys, infrastructure development, water conservancy, tunnel construction, and building foundation projects.

Product Specifications
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Type |
250L Large Output Mine Horizontal triplex drilling mud pump |
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Stroke |
100mm |
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Cylinder diameter |
80/65 mm |
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Handle position |
1 |
2 |
3 |
4 |
1 |
2 |
3 |
4 |
|
Pump Speed(s.pm) |
200 |
116 |
74 |
42 |
200 |
116 |
72 |
42 |
|
Output volume(l.pm) |
250 |
145 |
90 |
52 |
166 |
96 |
60 |
35 |
|
Discharge pressure(Mpa) |
2.5 |
4.5 |
6 |
6 |
4 |
6 |
7 |
7 |
|
Volumetric efficiency |
85% |
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Total efficiency |
72% |
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input power |
15KW |
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Multiple grooved pulley D.P. |
B*410mm |
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Input speed of pump (rpm) |
500r/min |
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Max. suction head |
2.5m |
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Inside diameter of suction hose |
76mm |
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Inside diameter of discharge |
51mm |
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Weight |
760KG |
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Overall dimensions(L*W*H) |
1100*995*650mm |
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Product Features
BW250 mud pump has four blocks of flow that can meet the requirements of large and small-diameter drilling rigs.
The piston is a bowl-shaped self-sealing S-type polyurethane rubber piston with a nylon backrest, which greatly improves the service life.
The pull rod is equipped with five dust-proof sealing rings that effectively prevent mud from the hydraulic end. This design ensures reliable sealing and maintains optimal performance by protecting the power end components from contamination and wear.
The inlet and outlet valves use steel balls. There is a sound-absorbing rubber pad on the valve cover to reduce impact noise.
The pressure gauge adopts an ti-vibratian on tje pressure gauge, which has a long life.
Compact structure and beautiful appearance.
Good detachability, easy to repair and relocate.

Field Work
The BW250 mud pump is used for a wide range of applications, including borehole drilling, civil infrastructure, and civil engineering projects. It can also used for rock core drilling, soil testing, and sampling. The BW250 mud pump is also well-suited for pile foundation drilling, bridge drilling, and wind power generation projects, as well as large-diameter engineering drilling, oil field exploration, and geological mineral exploration.


Packaging & Shipping
Delivery time: 10-15days
We use professional equipment to frame the boxes. We will arrange specially-assigned person to inspect every step. Ensure transportation safety.

Lubrication for BW250 Mud Pump
The BW250 Mud Pump requires correct and timely lubrication to keep all moving components operating smoothly and to minimize wear. The pump uses three lubrication methods, each applied to different parts:
Grease Lubrication is used for the pull rod and clutch inner bearing with ZG-3 calcium-based grease, while the clutch handle housing uses ZH-3 sodium-based grease. These greases provide stable protection under continuous loading.
Splash Lubrication inside the pump body covers the crankshaft journals, connecting rod bearings, gears, crossheads, guideways, and other moving parts. Mechanical oil SYB1103-625 is recommended for standard conditions.
Seasonal Oil Selection ensures proper viscosity: HL-20 oil is used in winter for easier flow at low temperatures, while HL-30 oil is used in summer for better high-temperature stability.
With proper lubrication in each zone, the BW250 Mud Pump maintains reliable performance, reduced wear, and longer service life.
Certificate
Our products have passed CE certification and ISO9001 quality management system certification, ensuring that they meet international standards in terms of safety, reliability and quality.

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