As the leading ship supplier in Ross Dependency, Adding Chain To Anchor, we specialize in delivering high-quality Hydraulic Rotary Couplings with unmatched speed and reliability. Trusted by shipowners and masters worldwide, our team ensures your vessel gets everything it needs — on time, every time.
Hydraulic Rotary Couplings in marine hydraulics enable fluid transfer between stationary and rotating parts. They ensure leak-free operation under high pressure and dynamic conditions. These couplings are essential for steering, propulsion, and other hydraulic systems on ships.
Size: 1/2" to 2" nominal bore
Grade: Standard, high-pressure, corrosion-resistant
Viscosity Range: ISO VG 32 to VG 68
Buoyancy: Neutral to slightly positive, depending on material
Material: Stainless steel (316/304), carbon steel, or brass with nitrile/FKM seals
Pressure Rating: Up to 350 bar (5,000 psi)
Temperature Range: -20°C to +120°C (-4°F to +248°F)
Rotation Speed: Up to 500 RPM (varies by size and pressure)
Flow Rate: 20 to 200 L/min (5 to 53 GPM)
Connection Type: Threaded (NPT, BSP), flanged, or SAE ports
Seal Type: Lip seals, O-rings, or mechanical seals for high-pressure applications
Corrosion Resistance: Saltwater-resistant coatings or stainless steel construction
Compliance: ISO 4401, SAE J518, or DIN/EN standards
Yes, Hydraulic Rotary Couplings and Marine Hydraulics typically comply with maritime standards such as ISO, DNV, ABS, and other relevant industry certifications.
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