WHJ92N Wave Spring Mechanical Seals Replacement For Burgmann HJ92N

Features

For unstepped shafts
Single seal
Balanced
Independent of direction of rotation
Encapsulated rotating spring

Advantages

Especially designed for solids containing and highly viscous media
Springs are protected from the product
Rugged and reliable design
No damage of the shaft by dynamically loaded O-Ring
Universal application
Variant for operation under vacuum available
Variants for sterile operation available

Recommended Applications

Pharmaceutical industry
Power plant technology
Pulp and paper industry
Water and waste water technology
Mining industry
Food and beverage industry
Sugar industry
Dirty, abrasive and solids containing media
Thick juice (70 … 75 % sugar content)
Raw sludge, sewage slurries
Raw sludge pumps
Thick juice pumps
Conveying and bottling of dairy products

Operating range

Shaft diameter:
d1 = 18 … 100 mm (0.625″ … 4″)
Pressure:
p1*) = 0.8 abs…. 25 bar (12 abs. … 363 PSI)
Temperature:
t = -50 °C … +220 °C (-58 °F … +430 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
Axial movement: ±0.5 mm

* An integral stationary seat lock is not needed within the permissible low pressure range. For prolonged operation under vacuum it is necessary to arrange for quenching on the atmospheric side.

Combination material

Rotary Face
Silicon carbide (RBSIC)
Carbon graphite resin impregnated
Antimony Impregnated Carbon
Stationary Seat
Silicon carbide (RBSIC)
Tungsten carbide
Auxiliary Seal
Fluorocarbon-Rubber (Viton)
Ethylene-Propylene-Diene (EPDM)
Spring
Stainless Steel (SUS304)
Stainless Steel (SUS316)
Metal Parts
Stainless Steel (SUS304)
Stainless Steel (SUS316)

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

WHJ92N data sheet of dimension (mm)