IMI Norgren Herion Pvt. Ltd. Is a contributory of IMI Group. IMI Norgren Herion Pvt. Ltd. Offers ISO/VDMA CYLINDERS RA/8000, RA/8000/M available with Operating Pressure: 1 to 16 bar [1 to 10 bar for ? 250 and 320 mm], Operating Temperature: -20°C* to +80°C max, Cylinder Diameters: 32, 40, 50, 63, 80, 100, 125, 160, 200, 250, 320 mm, Strokes: Standard: 25, 50, 80, 100 mm, Non-standard strokes available [250 mm max.] Materials: Profile barrel: Anodised aluminium, End covers: Pressure diecast aluminium, Piston rod: Stainless steel [Martensitic], Piston rod seals: Polyurethane, Piston seals: Polyurethane and `O`-rings: Nitrile rubber. The major features of the ISO/VDMA CYLINDERS are: