W155 O-ring single spring unbalanced pusher mechanical seals for pumps replace Burgmann BT-FN seals

Features

•Single pusher-type seal •Unbalanced •Conical spring •Dependent on direction of rotation

Recommended applications

•Building services industry •Household appliances •Centrifugal pumps •Clean water pumps •Pumps for domestic applications and gardening

Operating range

Shaft diameter: d1*= 10 … 40 mm (0.39" … 1.57") Pressure: p1*= 12 (16) bar (174 (232) PSI) Temperature: t* = -35 °C… +180 °C (-31 °F … +356 °F) Sliding velocity: vg = 15 m/s (49 ft/s) * Dependent on medium, size and material

Combination material

  Face: Ceramic, SiC, TC Seat: Carbon, SiC, TC O-rings: NBR, EPDM, VITON, Aflas, FEP, FFKM Spring: SS304, SS316 Metal parts: SS304, SS316 W155 data sheet of dimension in mm