Steering Gear Hydraulic Pumps - Auxiliary Machinery and Engine Room
Hydraulic pumps supply pressurized oil to marine steering gear actuators, converting prime-mover power into controlled rudder movement. Shipboard systems commonly use positive-displacement axial-piston or radial-piston pumps with redundant pump units.
ProShipWorks provides end-to-end support to source and supply Steering Gear Hydraulic Pumps for marine vessels, ship operators, industrial facilities, maintenance teams and procurement departments.
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Product Information
| Product Name | Steering Gear Hydraulic Pumps |
|---|---|
| Product Category | Auxiliary Machinery and Engine Room |
| Product Reference | 335 |
| Brands / Manufacturers | Bosch Rexroth, Parker Hannifin, Kawasaki Precision Machinery |
| Unit of Measure | Piece |
Key Features
| Key Feature |
|---|
| 1. Positive-displacement hydraulic operation |
| 2. High-pressure output for rudder actuation |
| 3. Variable or fixed-displacement configurations |
| 4. Designed for continuous marine-duty service |
| 5. Supports redundant steering gear arrangements |
Applications of Steering Gear Hydraulic Pumps
| Application |
|---|
| 1. Main and auxiliary electro-hydraulic steering gear |
| 2. Ram-type and rotary-vane rudder actuation systems |
| 3. Emergency steering and standby hydraulic power units |
Models & Manufacturers
| Model | Manufacturer |
|---|---|
| A4VSO Series | Bosch Rexroth |
| Gold Cup P6 Series | Parker Hannifin |
| K3VL Series | Kawasaki Precision Machinery |
Technical Specifications
| Model | Specification | Value | Unit |
|---|---|---|---|
| A4VSO Series | Pump type | Variable-displacement axial-piston, swashplate design | — |
| A4VSO Series | Nominal pressure | 350 | bar |
| A4VSO Series | Peak pressure | 400 | bar |
| Gold Cup P6 Series | Pump type | Variable-displacement axial-piston | — |
| Gold Cup P6 Series | Nominal displacement | 6.0 | in³/rev |
| K3VL Series | Pump type | Variable-displacement axial-piston, swashplate design | — |
| K3VL Series | Displacement range | 28-200 | cm³/rev |
| K3VL Series | Rated pressure | 320 | bar |
Standards, Certifications & Class Approval
Review the available standards and approval information relevant to the product. Actual certification, material traceability, inspection and classification requirements depend on the product type, intended application and purchasing specification.
| Applicable Standards & Certification | Steering gear pump installations are governed by SOLAS Chapter II-1, Regulation 29 and applicable flag-state requirements. Hydraulic systems commonly follow ISO 4413, while oil cleanliness may be specified using ISO 4406. Compliance applies to the complete steering system and installation. |
|---|---|
| Class Approval | Steering gear pumps and complete hydraulic power units may require plan approval, product certification, testing or type approval by the vessel's class society, such as DNV, ABS, Lloyd's Register, Bureau Veritas or ClassNK. Approval is model-, duty- and installation-specific. |
Installation, Maintenance & Safety Information
| Installation Notes | Confirm pump displacement, rotation, pressure rating, control type and hydraulic-fluid compatibility. Align the motor coupling, keep suction piping short and airtight, flush the circuit, fill with filtered oil, prime the pump and verify relief-valve settings before commissioning. |
|---|---|
| Maintenance Tips | Monitor pressure, flow, oil temperature, noise, vibration and leakage. Maintain specified oil cleanliness, replace filters by differential-pressure indication, inspect coupling alignment and seals, and periodically test duty and standby pumps under load. |
| Safety Notes | Isolate electrical power and release hydraulic pressure before work. Never loosen pressurized fittings or search for pinhole leaks by hand. Use rated hoses and components, prevent oil contact with hot surfaces, and retain required steering redundancy during maintenance. |
Request a Quote for Steering Gear Hydraulic Pumps
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