BM3Y/BM3 Series Disk Valve Orbital Cycloidal Hydraulic Motor, High Power Density For Fishing Machinery
Wuhan Xinlaifu Hydraulic Equipment Co., Ltd. is one of the leading manufacturers and suppliers of bm3y/bm3 series disk valve orbital cycloidal hydraulic motor, high power density for fishing machinery in China. With abundant experience, we warmly welcome you to buy high quality customized products at competitive price from our factory. Also, OEM&ODM service is available.
Technical specifications
| Item | Specification |
|---|---|
| Part Number | BM3Y / BM3 Series |
| Product Type | Disk Valve Orbital Cycloidal Hydraulic Motor |
| Applicable Machine | Fishing Machinery, Marine Winch, Fishing Vessel Equipment |
| Brand Reference | Aftermarket replacement for international cycloidal motor series |
| Application | Fishing vessel winch, marine deck hydraulic drive, fishing machinery hydraulic system |
| Gear Structure | Cycloidal orbital gear set, disk‑valve distribution |
| Material | High‑strength alloy steel, cast iron housing |
| Output Torque | Wide torque range, customizable upon displacement |
| Working Pressure | Continuous pressure: 10‑16 MPa; Peak pressure: 20 MPa |
| Installation Form | Standard flange & shaft mounting, SAE port optional |
| Working Condition | Heavy‑duty marine harsh environment, continuous cyclic operation |
| Sealing Type | High‑performance nitrile / FKM composite seal for marine condition |
| Weight | Depends on displacement, customizable |
| Remark | High power density, reliable long‑life aftermarket hydraulic motor |
Product Overview
This BMR, OMR, BM, BMH, SMP series orbit motor covers mainstream displacements including BM2‑160, BM4‑625, BM1‑400, delivering reliable low‑speed high‑torque output with compact gerolor‑orbital structure and stable volumetric efficiency for hydraulic power transmission. This heavy‑duty high‑torque orbital hydraulic motor supports multiple flange and shaft configurations, serves as direct aftermarket replacement for mobile machinery, and maintains consistent performance under continuous cyclic working conditions.
Features and Advantages
- Low‑speed high‑torque gerolor orbital design, delivers stable torque output across wide speed range for mobile hydraulic systems
- Compact, robust mechanical structure with low starting pressure, ensuring smooth bi‑directional rotation and low‑noise operation
- Heavy‑duty bearing construction supports high radial & axial loads for continuous cyclic working conditions
- Multiple displacement options including BM2‑160, BM4‑625, BM1‑400; diverse flange, shaft and port configurations available
- High‑performance shaft seal withstands high back‑pressure, supports series or parallel circuit installation
- Direct aftermarket replacement for BMR, OMR, BM, BMH, SMP series orbit motors, good interchangeability for original assemblies
- Solid housing and wear‑resistant internal components extend service life under harsh off‑road & marine working environments
Typical applications
Typical Applications
BMR OMR BM BMH SMP series orbit motor (BM2‑160, BM4‑625, BM1‑400) serves low‑speed high‑torque drive requirements for below‑listed equipment：
- Construction: skid steer loaders, road sweepers, augers, compactors
- Agriculture & Forestry: harvesters, spreaders, mixer drives
- Material Handling: conveyors, hydraulic winches
- Industrial: rotary drives, mixing & processing equipment
- Direct aftermarket replacement for mainstream gerotor orbit motors
Q: What is the main advantage of BM3Y/BM3 disk‑valve orbital cycloidal hydraulic motor?
A: It delivers high power‑density compact output, stable volumetric efficiency and reliable continuous performance, specially optimized for fishing machinery and marine deck hydraulic systems.
Q: Can BM3Y/BM3 orbital motor work under marine harsh salt‑spray conditions?
A: Yes. Equipped with marine‑grade composite seals and robust cast‑iron housing, this cycloidal motor adapts to heavy‑duty cyclic working conditions on fishing vessels.
Q: What pressure rating does BM3Y/BM3 series cycloidal hydraulic motor support?
A: Continuous working pressure ranges from 10‑16 MPa, peak pressure reaches 20 MPa; actual parameters vary by specific displacement.
Q: Is BM3Y/BM3 series motor interchangeable with other brand orbital cycloidal motors?
A: It serves as high‑quality aftermarket replacement. Please confirm displacement, flange, shaft and port dimensions before cross‑brand replacement installation.
Q: What typical fishing machinery can BM3Y/BM3 hydraulic motor fit?
A: Mainly for fishing vessel winches, marine deck machinery and other low‑speed high‑torque hydraulic drive equipment onboard fishing boats.
Q: What installation forms are available for BM3Y/BM3 disk‑valve orbital motor?
A: Standard flange‑shaft mounting is supplied, SAE port options are available; custom mounting specifications can be supported upon request.
Q: What causes low output torque of BM3Y/BM3 cycloidal orbit motor during operation?
A: Common causes include insufficient system pressure, seal aging, internal wear of cycloidal gear set, or improper hydraulic circuit configuration.
Q: Can I get customized displacement for BM3Y/BM3 series fishing hydraulic motor?
A: Yes. Multiple displacement options are available, please provide your working pressure, torque requirement and mounting drawing for technical confirmation.
Model Displacement
General Specification
| Item | Specification |
|---|---|
| Part Number | BM3Y‑XX / BM3‑XX Series |
| Product Type | Disk‑Valve Orbital Cycloidal Hydraulic Motor |
| Applicable Machine | Fishing Vessel, Marine Winch, Fishing Deck Machinery |
| Brand Reference | Aftermarket replacement orbital cycloidal motor |
| Application | Marine fishing winch, ship deck hydraulic drive, low‑speed heavy‑duty mobile hydraulics |
| Gear Structure | Cycloidal gerolor gear set, disk‑valve distribution |
| Material | Alloy steel gerolor set, cast iron housing |
| Output Torque | 194‑2650 N·m (varies by displacement) |
| Working Pressure | Continuous:10‑17.5 MPa; Intermittent:16‑20 MPa; Peak:22.5 MPa |
| Installation Form | Standard SAE flange, key‑shaft / spline shaft; SAE port optional |
| Working Condition | Heavy‑duty cyclic marine salt‑spray environment |
| Sealing Type | Marine‑grade composite FKM / nitrile seal, high back‑pressure resistant |
| Weight | 9.8‑14 kg (subject to displacement) |
| Remark | High power‑density, bidirectional rotation, series‑parallel circuit available |
Displacement‑Dependent Detailed Technical Data
| Model | Displacement (ml/r) | Continuous Speed (r/min) | Max Continuous Flow (L/min) | Continuous Torque (N·m) | Intermittent Torque (N·m) | Weight (kg) |
|---|---|---|---|---|---|---|
| BM3Y‑80 / BM3‑80 | 80.5 | 10‑810 | 65 | 194 | 218 | 9.8 |
| BM3Y‑100 / BM3‑100 | 100.5 | 10‑750 | 75 | 242 | 283 | 10.0 |
| BM3Y‑125 / BM3‑125 | 126.3 | 9‑600 | 75 | 303 | 345 | 10.3 |
| BM3Y‑160 / BM3‑160 | 160.8 | 7‑470 | 75 | 358 | 429 | 10.7 |
| BM3Y‑200 / BM3‑200 | 200.9 | 6‑375 | 75 | 438 | 540 | 11.1 |
| BM3Y‑250 / BM3‑250 | 252.6 | 6‑300 | 75 | 440 | 580 | 11.6 |
| BM3Y‑315 / BM3‑315 | 321.5 | 5‑240 | 75 | 551 | 625 | 12.3 |
| BM3Y‑400 / BM3‑400 | 401.9 | 5‑180 | 75 | 560 | 687 | 13.1 |
| BM3Y‑500 / BM3‑500 | 471.1 | 5‑155 | 75 | 630 | 760 | 14.0 |
Operation Note
- Intermittent working condition: max 10% of every minute; Peak pressure: max 1% of every minute.
- Max back‑pressure for shaft seal: up to 10 MPa, external case drain line is recommended above 5 MPa back‑pressurebsg-img.nb....
- Rotation: CW rotation when port A pressurized (viewed from shaft end).
- Hydraulic oil recommendation: anti‑wear hydraulic oil, working temperature range:‑20℃ ~ +80℃.
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