Features
For plain shafts
Elastomer bellows rotating
Unbalanced
Independent of direction of rotation
Single and dual seal
Advantages
Identical with eMG1 but with approx.
20 % shorter installation lengthSmall outer diameter of bellows support (dbmin) enables direct retaining ring support, or smaller spacer rings
Optimal alignment characteristic through self-cleaning of disk/shaft
Improved centering across entire pressure operating range
No torsion on bellows
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
Dimension adaptions and additional seats available
Operating range
Shaft diameter:
d1 = 15 … 100 mm (0.59" ... 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
Materials
Seal face: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B), Silicon carbide (Q1, eSiC-Q7), Tungsten carbide (U3)
Seat: Silicon carbide (Q1, Q2, eSic-Q7), Tungsten carbide (U3), Special cast CrMo steel (S), Aluminium oxide (V)
Elastomer: NBR (P), EPDM (E), FKM (V), HNBR (X4)
Metal parts:
CrNiMo steel (G), Hastelloy® C-4 (M)
Recommended applications
Process industry
Chemical industry
Pulp and paper industry
Water and waste water technology
Food and beverage industry
Sugar industry
Water, waste water, slurries
(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
Service
Provide special design
According to the requirements and conditions for the custom processing
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