As the leading ship supplier in Ross Dependency, Propeller Performance Optimization, we specialize in delivering high-quality Hydraulic Rotary Joints 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 joints enable fluid transfer between stationary and rotating parts in marine systems. Marine hydraulics use these joints for steering, propulsion, and other critical functions. They ensure leak-free operation under high pressure and harsh sea conditions.
Size: 1/2" to 2" nominal bore
Grade: ISO 4401, DIN 24340, NFPA T3.5.1 R1
Viscosity: 15 to 320 cSt (ISO VG 15 to VG 320)
Buoyancy: Neutral or positive buoyancy options available
Material: Stainless steel (316L), carbon steel, brass, or aluminum
Pressure Rating: Up to 350 bar (5000 psi)
Temperature Range: -20°C to +120°C (-4°F to +248°F)
Rotation Speed: Up to 500 RPM
Seals: Nitrile, polyurethane, or fluorocarbon (FKM) for corrosion resistance
Connection Types: SAE, BSP, NPT, or metric threaded
Compliance: ABS, DNV, or other marine certifications available
Hydraulic Rotary Joints and Marine Hydraulics may comply with maritime standards such as ISO 4413, ISO 4406, or specific classification society standards like DNV, ABS, or Lloyd's Register, depending on the manufacturer and product specifications. Always verify with the supplier for exact compliance.
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