Description
The main features are
The speed range is wide, the noise is low, it can be forward and reverse, and the action is sensitive. Radial hydraulic balance, so the working pressure is high, the service life is long, and it has the characteristics of small size, light weight, simple structure, convenient use and maintenance.
Model Designation
| 25M |
65 |
A |
-11 |
C |
20 |
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| Series |
Torque(lb.in./100 psi) |
Port connections | Shaft type | Cover end position |
Design number |
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|
Standard bearing |
25M |
Heavy- duty bearings |
26M |
42、55、65 |
SAE 2-bolt mounting flange SAE 4- bolt flange connection |
1-Straight key shaft 11-Spline shaft |
(viewed from the cover end) A: Opposite the shaft end oil port B: 90oCCW from the shaft end oil port C: inline with shaft end oil port D: 90oCW from the shaft end oil port | 20-29 |
| 35M |
36M |
80、95、115 |
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| 45M |
46M |
130、155、185 |
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| 50M |
51M |
220、255、300 |
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Technical Data
| Series | (Torque) Nm/6.9 bar (Ib in/100 psi) | 1200r/min | Mx.speed and pressure | Weight kg (Ib) | ||
| L/min (USgpm) | ||||||
| ml/r Displacement | ||||||
| 4.7(42) | 43.9(2.68) | 52.6(13.9) | ||||
| 25M | 6.2(55) | 57.7(3.52) | 69.3(18.3) |
18 |
||
| 7.3(65) | 68.7(4.19) | 82.5(21.8) |
-40 |
|||
| 3600r/min@34bar(500psi) | ||||||
| 9.0(80) | 83.6(5.10) | 100.3(26.5) | 4000r/min@34bar(500psi) |
29 |
||
| 35M | 10.7(95) | 100.3(6.12) | 120.4(31.8) |
-64 |
||
| 13.0(115) | 121.9(7.44) | 146.1(38.6) | 2600r/min@155bar(2250psi) | |||
| 3000r/min@172bar(2500psi) | ||||||
| 14.7(130) | 138.0(8.42) | 165.4(43.7) | ||||
| 45M | 17.5(155) | 163.2(9.96) | 195.7(51.7) |
39 |
||
| 20.9(185) | 193.2(11.79) | 232.0(61.3) |
-85 |
|||
| 24.9(220) | 231.2(14.11) | 277.5(73.3) | 2800r/min@34bar(500psi) | |||
| 3200r/min@34bar(500psi) 2200r/min@155bar(2250psi) 2400r/min@172bar(2500psi) | ||||||
| 50M | 28.8(255) | 268.1(16.36) | 321.8(85.0) |
73 |
||
| 33.9(300) | 317.1(19.35) | 380.4(100.5) |
-160 |
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Continuously working
Intermittent work: 10% of the total working time, each pressure and or speed work does not exceed 6 seconds.
114 model: 2500psi, CCW; 2250psi, CW (see rotation from the shaft end)
124 model: 2500psi, one-way rotation
25M Installation Dimensions

35M Installation Dimensions

45M Installation Dimensions

50M Installation Dimensions

fAQ
Q1: Is this hydraulic motor specifically designed for deep well applications? Can it reliably operate at 50-meter depths?
A: Yes, you’ve found the right product. The design and material selection of this vane motor are tailored for the demanding conditions of deep well applications. Its key features, such as corrosion-resistant coatings and specialized shaft seal designs, enable it to operate reliably long-term at 50-meter water depths and under similar pressures. We understand the high cost of deep well maintenance, so reliability is our primary design objective.
Q2: For deep well use, how is the motor’s sealing performance? How do you prevent water ingress causing failure?
A: Sealing performance is the lifeline of a deep well hydraulic motor. We employ a multi-stage sealing system to ensure absolute reliability:
● Shaft Seal: Utilizes mechanical seals or high-performance lip seals specifically designed for long-term, high-pressure submersion, effectively blocking external water pressure.
● Housing & Connection Protection: The overall structural design and O-rings ensure housing integrity, preventing leaks even under high water pressure.
Every motor is subjected to rigorous pressure testing before leaving the factory to guarantee seal reliability.
Q3: What should I pay attention to during the installation and maintenance of this deep well motor? Do you provide technical support?
A: Correct installation is crucial. We provide detailed installation guidelines, emphasizing:
● Cleanliness: Ensure extreme cleanliness when connecting hydraulic lines to prevent contaminants from entering the motor.
● Alignment and Handling: Use appropriate tools to avoid damage to the shaft extension and connection threads.
We not only offer an 18-month warranty but also have an experienced technical support team available for remote assistance before, during, and after installation. If you have questions before purchasing or encounter issues during installation, please feel free to contact us via phone or live chat.









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