Vickers BM/BMH/BMM hydraulic motor

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Description

Vickers BM/BMH/BMM Series Hydraulic Motors Specifications

1. Overview

The Vickers BM, BMH, and BMM series hydraulic motors are orbital gerotor motors designed for reliable performance in industrial and mobile hydraulic systems. They feature advanced gerotor gear set design, automatic flow compensation, and high-pressure resistance, suitable for parallel or series configuration.

2. BMM Series Hydraulic Motors

2.1 Key Features

  • Compact volume, lightweight, and economical design with shaft distribution flow
  • Advanced gerotor gear set ensures high efficiency and long service life
  • Shaft seal withstands high back pressure; applicable for parallel/series operation
  • Low starting pressure and smooth operation

2.2 Technical Parameters

Model
Geometric Displacement (cm³/rev)
Max. Pressure (MPa)
Max. Speed (rpm)
Max. Torque (N·m)
Max. Output Power (kW)
Max. Flow (L/min)
Weight (kg)
Continuous/
Intermittent
/Peak
Continuous/
Intermittent
Continuous/
Intermittent/Peak
Continuous/
Intermittent
Continuous/
Intermittent
BMM 8
8.2
10/14/16
1950/2450
16/21/33
2.4/3.2
20/25
2.0
BMM 12.5
12.9
10/14/16
1550/1940
25/35/51
2.4/3.2
20/25
2.1
BMM 20
19.9
7/14/20
1000/1250
40/57/64
2.4/3.2
25/25
2.4
BMM 32
31.6
10/14/20
630/800
46/70/82
1.8/2.6
25/25
2.3
BMM 40
39.8
9/14/16
500/630
23/88/100
1.8/3.2
25/25
1.9
BMM 50
50.3
10/14/20
400/500
11/45/64
2.2/3.2
20/25
2.2

3. BMH Series Hydraulic Motors

3.1 Key Features

  • Advanced gerotor gear set with shaft distribution flow and automatic compensation
  • High continuous/intermittent pressure resistance; peak pressure up to 22.5 MPa
  • Conical roller bearings support high axial and radial loads
  • Compact structure, easy installation, and low noise design

3.2 Technical Parameters

Model
Geometric Displacement (cm³/rev)
Max. Pressure (MPa)
Max. Speed (rpm)
Max. Torque (N·m)
Max. Output Power (kW)
Max. Flow (L/min)
Weight (kg)
Continuous/
Intermittent/Peak
Continuous/
Intermittent
Continuous/
Intermittent/Peak
Continuous/
Intermittent
Continuous/
Intermittent
BMH 200
203.2
17.5/20/22.5
740/850
348/827/1092
14/18.5
75/90
10.5
BMH 250
255.9
19/20/22.5
579/702
282/651/827
14/17.5
75/90
11.5
BMH 315
316.1
16/20/21
830/1040
366/1170/1250
15.5/17.5
75/90
11.0
BMH 400
406.4
20/20/18
621/750
236/980/1170
15/15.5
75/90
12.3
BMH 500
489.2
20/22.5/22.5
990/1100
155/790/980
12.5/17.5
75/90
13.0

4. BM Series Hydraulic Motors

4.1 Key Features

  • Axial distribution design, compatible with OMR/OMP series equivalent models
  • Wide displacement range and multiple flange/shaft options
  • High efficiency and reliable performance in medium-pressure applications
  • Suitable for industrial machinery with parallel/series system requirements

4.2 Technical Parameters

Model Range
Displacement Range (cm³/rev)
Max. Continuous Pressure (MPa)
Speed Range (rpm)
Max. Output Power (kW)
Distribution Type
BM Series
36 – 500
20 – 22.5
30 – 1650
3.2 – 18.5
Axial Distribution

5. Notes

  • Continuous Pressure: Maximum value for long-term continuous operation.
  • Intermittent Pressure: Maximum value for 6 seconds per minute operation.
  • Peak Pressure: Maximum value for 0.6 seconds per minute operation.
  • Recommended oil viscosity: 42 – 74 mm²/s at 40℃; oil cleanliness grade ≤ 19/16.
  • External drain line is required when back pressure exceeds 2 MPa.

BMR MOTOR

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