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

Short Description:

W 155 seal is replacement of BT-FN in Burgmann. It combines a spring loaded ceramic face with the tradition of the pusher mechanical seals.The competitive price and the wide range of application have made 155(BT-FN) a successful seal. recommended for submersible pumps. clean water pumps, pumps for domestic appliances and gardening.


Product Detail

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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

A10

W155 data sheet of dimension in mm

A11

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