| 9012, 9016, 9020, 9027, 9036 |
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- Supercharging vacuum pumps for better
system performance
- Increasing vacuum system capacities
- Reducing system ultimate pressures
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- Gears: Helical, ground gears for quiet
operation
- Bearings:
- Gear End: Double row ball
- Free End: Double row ball
- Drive Shaft: Spherical roller
- Rotors: Ductile iron, integrally cast with shafts
- Lubrication:
- Oil splash, with water
cooling coils (standard)
- Integral pressure lubrication with heat exchanger (optional)
- Seals: Mechanical-labyrinth seals on rotor shafts; mechanical
sealing on drive shaft
- Available in special materials such as:
- Ductile Iron
- Electroless nickel plated
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