WE41 O-ring mechanical seals replace Burgmann BT-RN pump shaft seals

Short Description:

The WE41 is replacement of Burgmann BT-RN represents the traditionally designed robust pusher seal. This type of mechanical seal is easy to install and covers a wide range of applications; its reliability has been proven by millions of units in worldwide operation. It is a convenient solution for the widest range of applications: for clean water as well as chemical media.

Send email to us

Product Detail

Product Tags

Features

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

Recommended applications

•Chemical industry
•Building services industry
•Centrifugal pumps
•Clean water pumps

Operating range

•Shaft diameter:
RN, RN3, RN6:
d1 = 6 … 110 mm (0.24" … 4.33"),
RN.NU, RN3.NU:
d1 = 10 … 100 mm (0.39" … 3.94"),
RN4: upon request
Pressure: p1* = 12 bar (174 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 Materials

Rotary Face

Silicon carbide (RBSIC)
Tungsten carbide
Cr-Ni-Mo Sreel (SUS316)
Tungsten carbide surfacing
Stationary Seat
Carbon graphite resin impregnated
Silicon carbide (RBSIC)
Tungsten carbide
Auxiliary Seal
Nitrile-Butadiene-Rubber (NBR)
Fluorocarbon-Rubber (Viton)

Ethylene-Propylene-Diene (EPDM)
Fluorocarbon-Rubber (Viton)
Spring
Stainless Steel (SUS304)
Stainless Steel （SUS316)
Left rotation: L Right rotation:
Metal Parts
Stainless Steel (SUS304)
Stainless Steel （SUS316)