Hydraulic Couplings - Shipyard and Dry Dock Equipment
Hydraulic couplings connect and disconnect hydraulic hoses, tools, pumps, and machinery used in shipyards, dry docks, and marine repair operations. They provide controlled fluid transfer and, in many designs, automatic shut-off to reduce leakage during disconnection.
ProShipWorks provides end-to-end support to source and supply Hydraulic Couplings for marine vessels, ship operators, industrial facilities, maintenance teams and procurement departments.
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Product Information
| Product Name | Hydraulic Couplings |
|---|---|
| Product Category | Shipyard and Dry Dock Equipment |
| Product Reference | 1335 |
| Brands / Manufacturers | Parker Hannifin, Eaton, Stäubli |
| Unit of Measure | Piece |
Key Features
| Key Feature |
|---|
| 1. Quick-connect or screw-to-connect design |
| 2. Automatic shut-off valves on many coupling types |
| 3. Available in steel, stainless steel, and corrosion-resistant finishes |
| 4. Suitable for hydraulic oils and selected marine hydraulic fluids |
| 5. Available in single- and double-acting configurations |
Applications of Hydraulic Couplings
| Application |
|---|
| 1. Hydraulic jacks, lifting systems, and shipyard handling equipment |
| 2. Dry-dock gates, docking systems, and hydraulic power units |
| 3. Portable hydraulic tools used for ship repair and maintenance |
Models & Manufacturers
| Model | Manufacturer |
|---|---|
| ISO 16028 Flat-Face Quick Coupling | Parker Hannifin |
| FF Series Flat-Face Couplings | Eaton |
| SPH Series Hydraulic Quick Couplings | Stäubli |
Technical Specifications
| Model | Specification | Value | Unit |
|---|---|---|---|
| ISO 16028 Flat-Face Quick Coupling | Connection standard | ISO 16028 | — |
| ISO 16028 Flat-Face Quick Coupling | Nominal size | DN 6 to DN 25 | — |
| ISO 16028 Flat-Face Quick Coupling | Typical working pressure | 250 to 420 | bar |
| ISO 16028 Flat-Face Quick Coupling | Typical temperature range | -25 to 100 | °C |
| FF Series Flat-Face Couplings | Connection type | Flat-face quick coupling | — |
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 | Relevant requirements may include ISO 16028 for flat-face hydraulic quick-action couplings, ISO 7241 for hydraulic quick-action couplings, and ISO 4413 for hydraulic fluid power systems. Exact compliance depends on the selected coupling series and manufacturer. |
|---|---|
| Class Approval | Individual hydraulic couplings are not normally class-approved as standalone items. Approval or acceptance may be required when they form part of classed lifting, steering, hatch-cover, docking, or other essential hydraulic equipment. Confirm requirements with DNV, ABS, Lloyd's Register, BV, or ClassNK. |
Installation, Maintenance & Safety Information
| Installation Notes | Verify size, pressure rating, fluid compatibility, and connection type before installation. Depressurize the hydraulic system, clean both coupling halves, inspect seals, and fully engage the locking mechanism. Support hoses to prevent side loading and twisting. |
|---|---|
| Maintenance Tips | Inspect for leakage, corrosion, damaged seals, contamination, and damaged locking sleeves. Keep disconnected halves capped or plugged. Replace worn seals and couplings according to manufacturer instructions, and periodically verify connection security and pressure performance. |
| Safety Notes | Never disconnect a pressurized hydraulic line. Hydraulic oil injection can cause serious injury even from a small leak; use guards and cardboard or leak-detection equipment, not hands, to locate leaks. Wear eye and hand protection and use only couplings rated for the system pressure and temperature. |
Request a Quote for Hydraulic Couplings
Contact ProShipWorks for marine or industrial product sourcing, quotations and delivery.
- Vessel name and IMO number
- ETA / vessel schedule
- Berth or vessel location
- Required quantity
- Preferred delivery window
- Shipping agent contact details
Other Shipyard and Dry Dock Equipment Products
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