Single seal, Balanced, Independent of direction of rotation MAIN CHARACTERISTICS Mediums to be sealed: Water, oil, acid, alkali, etc. Moderate and below corrosive chemical medium Pressure in the sealed chamber: ≤4MPa Temperature in the sealed chamber: -20 to 150 degree celsius Linear velocity: ≤10m/Sec Shaft: 30-100 .Specially, We are able to manufacture various out-of standard products according to customer's special designs. Just send us a sample or drawings and we will meet your need.