Single seal Unbalanced Independent of direction of rotation Rubber bellows BMG1 series is the most commonly used seal. It has an ingenious design and compact structure. The seal face is driven through "L" ring and the spring. It is suitable for waste water containing solids or for sewage water. Combination of materials Sealing face Graphite, Silicon carbide, Tungsten carbide,Aluminum oxide Secondary sealing Acrylonitrile rubber, Fluorine rubber, Ethylene propylene rubber Metal component Stainless steel Operating limits Specification: 10~110 mm Pressure: =1.6 Mpa Temperature: -20~120? Linear speed: =10 m/s Axial movement: ?.5 mm