W155 O-ring single spring pump seals replace Burgmann BT-FN
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 (mm)
