Rotary piston seals and Shaft Seals are used in components with oscillating or rotating parts to keep lubrication fluids in while preventing ingress of mud and water. These seals help improve components life and long term performance. They demonstrate superior low-friction properties and provide excellent resistance to wear. Seal Materials: BR40, BR40M5, BR55M5, GL5M5, GL15M5. Temperature Range: -50�°C + 200�°C Pressure: up to 800 bar (80Mpa) O Ring material: Nitrile Rubber, Viton Quad Ring Material: Nitrile Rubber, Viton Rubber. Size Range: We manufacture ROTARY Seals for the range of cylinder bore & Rod diameter - 12m to 400mm.