Mechanical Seals BJ920N

Mechanical Seal for plain shafts, rotating spring

  • Single seal
  • Balanced
  • Independent of direction of rotation
  • Spring product protected

Mechanical seals of the BJ920N series are designed for media containing solids or with high viscosity e.g. sugar, paper, sewage and waste water industry. The spring is not in direct contact with the product. The robust and reliable design avoids sticking and clogging.

Operating Range

d1 = 18 ... 100 mm = 0.625 ... 4"
p1 = 0.8 ... 26 bar *) = 11 ... 360 PSI
t = -50 ... 220°C = - 58 ... 430°F
vg = 20 m/s (BJ920N) = 66 ft/s

Details

Item Part No - DIN 24250 Description 
1.1 472/473 Seal face
1.2 485 Drive collar 
1.3 412.2 O-Ring
1.4 412.1 O-Ring
1.5 477 Spring 
1.6 904 Set screw 
2 475 Seat (G16)
3 412.3 O-Ring

BJ920N
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