Flowserve SIHI Vacuum Liquid Ring
LPH 55312, LPH 55316 , LPH 55320
Pressure range : 33 to 1013 mbar
Suction Volume : 120 to 470 m³/h
Flowserve SIHI design
Vacuum sterling Flowserve SIHI liquid ring pumps have a simpel design but robust construction with
the following features and benefits :
- Near isothermal compressiong oil free
- Capable of handling almost all gases and vapours
- Low maintenance and safe operation
- Low noise and almost vibration free
- Available in a wide range of materials
Vacuum sterling Flowserve SIHI liquid ring pumps of the range LPH 55312, LPH 55316, and
LPH 55320 are two stage pumps.
Flowserve SIHI Applications
Evacuation and pumping of dry gases and saturated vapours.
The pumps can also handle liquids. This pumps applications areas include :
- Chemical and Pharmaceutical Industry for distillation, drying and degassing
- Plastics & Rubber Industry
- Healthcare for sterilisers and general vacuum
Flowserve SIHI Technical Data
- Speed for 50Hz : 1450 rpm
- Speed for 60Hz : 1740 rpm
- Maximum overpressure on compression : 2.0 bar
- Maximum permissible pressure differense : LPH 55312 (1.5 bar), LPH 55316 (1.5 or 1.3 bar)
- LPH 55320 (1.1 bar)
- Hydraulic test pressure : 3.0 bar
- Moment of inertia of rotating parts of pump and water content : LPH 55312 (0.137 kg/m²),
- LPH 55316 (0.162 kg/m²)
- LPH 55320 (0.205 kg/m²)
- Noise level at 80 mbar suction pressure : 66 dB (A)
- Minimum permissible pulley diameter for V belt drive : 200mm
- Maximum gas temperature : dry(200°C) & saturated (120°C)
Flowserve SIHI Service Liquid :
- Maximum permissible temperature : 80°C
- Maximum Viscosity : 90 mm²/s
- Maximum Density : 1200 kg/m³
- Liquid capacity up to middle of shaft : LPH 55312 (9.0 litre), LPH 55316 (10.0 litre), LPH 55320 (12.0 litre)
- Maximum flow resistance of the heat exchanger : 0.2 bar