BSI-7 Rubber Bellow Seals
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Features Rubber bellows mechanical seals Unbalanced Single spring Independent of direction of rotation Advantages Single seal, unbalanced, fixed direction of rotation, rubber bellow transmission seal. this component seal with a simple yet effective design that is easy to assemble. the special spring arrangement allows a short axial installation length. the bellow and the spring provide pressure compensation to the sealing faces. the rubber bellow design can prevent radial run-out so the floatability of the rotary ring is increased, the spring is free from torque transmission. Materials Rotary ring: carbon/sic/tc Stationary ring: al2o2/sic/tc Elastomers: nbr/epdm/viton Springs: ss304/ss316 Metal parts: ss304/ss316 Recommended applications water and waste water technology sewage pumps vacuum equipment sewage treatment chemical industries pharmacy food processing paper making. Industrial Standards : DIN24250 ISO3069 GB6556 EN12756