Close Type Rubber Bellow Seals BT-AR

The BT-AR Close Type Rubber Bellow Seal is a durable and cost-effective sealing solution for large-series cold water pumps and general water applications. Its compact axial design and flexible rubber bellow ensure high efficiency, reliable performance, and adaptability to media with high solids or low lubrication. Available in multiple material combinations to suit diverse operating needs.

Materials
Seal Faces: Carbon graphite antimony impregnated, Carbon graphite resin impregnated, Carbon graphite full carbon, Silicon carbide, Tungsten carbide, PTFE glass fiber reinforced
Seat: Steatite, Aluminium oxide, Silicon carbide, Tungsten carbide, Cr steel, CrNi steel, CrNiMo steel
Elastomers: NBR, EPDM, FKM, HNBR
Metal Parts: CrNi steel 1.4301, CrNiMo steel 1.4401, CrNi steel 1.4057

Application
Water and wastewater technology
Pool and spa pumps
Household appliances
Garden pumps
Swimming pool pumps
Dishwasher pumps
Submersible motors and pumps
General water pumping systems

Shaft Diameter Range: 6 mm to 70 mm (0.24" to 2.76")
Pressure: Up to 6 bar (87 PSI), vacuum 0.5 bar (7.45 PSI), up to 1 bar (14.5 PSI) with seat locking
Temperature: -20°C to +120°C (-4°F to +248°F)