| Low Temperature Screw Type Parallel Compressor Unit Standard Configuration | |||
| 1 | Parallel unit components | 4 | Oil line components |
| Strong metal frame | Oil outlet with filter barrel, with filter core | ||
| Lifting ring | Oil line ball valve | ||
| Cushion | Oil line solenoid valve | ||
| 2 | Reservoir components | Oil line sight glass | |
| 28 bar safety valve | Electrical oil flow switch | ||
| Inlet/outlet stop valve | 5 | Single compressor components | |
| Reservoir sight glass | Suction/discharge stop valve | ||
| Pipeline sight glass | Discharge one direction stop valve | ||
| Filter drier barrel, with filter core | Compressor shockwave cushion | ||
| Stop valve for filter barrel outlet | Suction filter barrel, with filter core | ||
| 3 | Discharge components | 1st degree spray cooling system | |
| External oil separator(with sight glass) | Oil sight glass | ||
| oil heater | 6 | Economizer components | |
| Oil separator outlet stop valve | Economizer | ||
| Oil temperature controller | ECO expansion valve, ECO solenoid valve, ECO sight glass, ECO stop valve. | ||
| Oil level controller | |||


