WMG1 Elastomer Bellow Mechanical Seal Replaced Burgmann MG1
Replacement for below mechanical seals
AESSEAL B02, BURGMANN MG1, FLOWSERVE 190
Features
For plain shafts
Single and dual seal
Elastomer bellows rotating
Balanced
Independent of direction of rotation
No torsion on bellows
Advantages
Shaft protection over entire seal length
Protection of seal face during installation due to special bellows design
Insensitive to shaft deflections due to large axial movement ability
Universal application opportunities
Important material certifications available
High flexibility due to wide offer on materials
Suitable for low-end sterile applications
Special design for hot water pumps (RMG12) available
Dimension adaptions and additional seats available
Recommended Applications
Fresh water supply
Building services engineering
Waste water technology
Food technology
Sugar production
Pulp and paper industry
Oil industry
Petrochemical industry
Chemical industry
Water, waste water, slurries (solids up to 5 % by weight)
Pulp (up to 4 % otro)
Latex
Dairies, beverages
Sulfide slurries
Chemicals
Oils
Chemical standard pumps
Helical screw pumps
Stock pumps
Circulating pumps
Submersible pumps
Water and waste water pumps
Oil applications
Operating range
Shaft diameter:
d1 = 10 … 100 mm (0.39″ … 3.94″)
Pressure: p1 = 16 bar (230 PSI),
vacuum … 0.5 bar (7.25 PSI),
up to 1 bar (14.5 PSI) with seat locking
Temperature: t = -20 °C … +140 °C
(-4 °F … +284 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)
Admissible axial movement: ±2.0 mm (±0,08″)
Combination material
Rotary Face
Carbon graphite resin impregnated
Hot-Pressing carbon
Silicon carbide (RBSIC)
Stationary Seat
Aluminium oxide (Ceramic)
Silicon carbide (RBSIC)
Tungsten carbide
Auxiliary Seal
Nitrile-Butadiene-Rubber (NBR)
Fluorocarbon-Rubber (Viton)
Ethylene-Propylene-Diene (EPDM)
Spring
Stainless Steel (SUS304)
Metal Parts
Stainless Steel (SUS304)
Notes
The WMG1 can also be used as a multiple seal in tandem or in a back-to-back arrangement. Installation proposals available upon request.
Dimension adaptations for specific conditions, e. g. shaft in inches or special seat dimensions are available upon request.
Item Part No. to DIN 24250 Description
1.1 472 Seal face
1.2 481 Bellows
1.3 484.2 L-ring (spring collar)
1.4 484.1 L-ring (spring collar)
1.5 477 Spring
2 475 Seat
3 412 O-Ring or cup rubber
WMG1 Dimension Date Sheet (mm)
