Hydraulic Rotary Coupling Seal Kits are essential components for maintaining leak-free connections in rotating hydraulic systems. These kits include seals, O-rings, and gaskets designed to withstand high pressure and fluid compatibility. They ensure smooth operation and prevent fluid leakage in hydraulic machinery.

Size: 1/4" to 2" (standard), custom sizes available

Grade: ISO 4406, NAS 1638 cleanliness standards

Viscosity: ISO VG 32, 46, 68 (common), temperature-dependent

Buoyancy: Neutral to slightly positive (material-dependent)

Material: Nitrile (NBR), Viton (FKM), Polyurethane (PU), PTFE

Pressure Rating: Up to 5000 PSI (varies by design)

Temperature Range: -40°F to 250°F (-40°C to 121°C) (material-specific)

Seal Type: Rotary shaft seals, lip seals, O-rings, mechanical seals

Compatibility: Mineral oil, synthetic fluids, water-glycol, HFA/HFB

Hardness: 70-90 Shore A (elastomers)

Standards: ISO 6194, DIN 3761, SAE J518