3-lobe blower package
positive-displacementbelt-drivendirect-drive

3-lobe blower package
3-lobe blower package
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Characteristics

Type
3-lobe, positive-displacement
Other characteristics
belt-driven, direct-drive, negative pressure
Flow rate

Max.: 50,000 m³/h (1,765,733 ft³/h)

Min.: 60 m³/h (2,119 ft³/h)

Pressure

1 bar (15 psi)

Description

GM ... Sm/Lm vacuum negative pressure packaged unit with pre-inlet Proven 3-lobe blower unit with or without acoustic enclosure. Available with belt or direct drive. Designed to cope with extreme negative pressure up to 80% vacuum, extremely robust and oil-free. • Volume flow: 60 to 50,000 m³/h • Negative pressure: -800 mbar • Medium: air and neutral gases Proven 2- or 3-lobe blower technology for plant engineering for forced conveyance at extreme negative pressure up to 80% vacuum. Oil-free and extremely robust. Belt or direct drive version. For stationary and vehicle application. DESIGN • Housing with additional third socket on suction side for pre-inlet cooling • series GM . . . Sm with lube oil supply by splash lubrication. 6 sizes, intake volume flow 60 up to 16.000 m³/h • for an absolute pressure at inlet of approx. 200 mbar against atmosphere. • series GM . . . Lm with central oil circulating lubrication. 3 sizes, intake volume flow 16.000 up to 50.000 m³/h for an absolute pressure at inlet of approx. 400 mbar against atmosphere SHAFT SEALINGS The conveying chamber is sealed by means of an oil slinger in combination with 4 piston ring labyrinth seals with a central vent chamber. The drive shaft is sealed by double radial seal rings with grease barrier.

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