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Double-action liquid ring pumps
| Vacuum rate | Range mbar | Max pressure bar G | Max flow m³/h | Stages nr. | Support | Seal |
|---|---|---|---|---|---|---|
| Compression | - | 10 | 180 | 2-3 | Bilateral | Mechanical |
The SA Double Acting Liquid Ring Compressor was specifically designed to meet the stringent medical air requirements for providing oil free medical air. In addition these units are used to provide instrument air and requirements of clean air, not contamined by oil smoke, in laboratories, pharmaceutical and chemical industry.
Some of the main features of these compressors are:
OIL FREE AIR - No internal oil lubrication required. The air discharged is free from carbon and Teflon particles (common with oil free piston compressors).
COOL DRY AIR - The air discharged from the SA compressors is cool and relatively dry. No aftercooler is required. Typical discharge air temperature is approximately 14°C higher than the incoming sealing water temperature.
REABILITY AND LOW MAINTENANCE - SA liquid ring compressors requires very little maintenance, as compared with other types of oil free compressors, due to the absence of reciprocating parts such as piston and valves. In addition the maintenance and replacement of the air purification equipment components is eliminated.
VIBRATION FREE OPERATION - No special foundation required, due to the absence of reciprocating forces.
LOW NOISE LEVEL - Our liquid ring compressors are quiet in operation as compared with piston type compressors.
MECHANICAL SHAFT SEALS - SA compressors offer mechanical shaft seals as standard. This type of seal offers leak tight operation as compared with packed stuffing boxes. In case of particular applications it is possible the supplying of compressors equipped with special mechanical seals: balanced, double back to back, double tandem.
ELIMINATION OF FILTERS - Other types of compressors require expensive air purification equipment to clean the air discharged. This generally imposes a substantial pressure drop and requires the compressor to work against a higher pressure to maintain the required system pressure at the outlets. Furthermore, the incoming atmospheric air is scrubbed with water and removes most dust particles.