Automatic drain valves are intended for removing the oil-water condensate from the compressed air network. There are two types of automatic drain valves: HD series and CD, ED series. HD series are ball float mechanical drains where opening of the valve is caused by raising condensate level which raises the float. CD and ED series are electronic drains where opening of the solenoid valve is caused by a condensate level or timer.
| Type | Sort | Air flow | Connection | Dimensions
mm | Weight
kg |
| m3/h | m3/h | inlet | outlet |
| HDI | Mechanical-ball float | - | - | G 1/2 | G 1/2 | 40 x 40 x 62 | 0,03 |
| HDF 120 | Mechanical-ball float | 5400 | 90 | G 1/2 | G 1/2 | 156 x 111 x 108 | 0,9 |
| HDF 180 | Mechanical-ball float | 6000 | 100 | G 1 | G 1 | 156 x 111 x 108 | 0,9 |
| CDV/230V | Timer | 9000 | 150 | G 1/2 | G 3/8 | 90 x 110 x 90 | 0,7 |
| CDV/50bar ef. | Timer | 9000 | 150 | G 1/2 | G 1/8 | 90 x 110 x 90 | 0,7 |
| ED 2100 | Electronic controlled by
condensate level | 315 | 5,3 | G1/4 or G1/2 | 8 mm | 75 x 118 x 117 | 0,8 |
| ED 2200 | Electronic controlled by
condensate level | 630 | 10,5 | G 1/2 | 8 mm | 99 x 114 x 138 | 0,9 |
| ED 2300 | Electronic controlled by
condensate level | 1800 | 30 | G1/2 or G3/4 | G 3/8 | 186 x 142 x 142 | 3,2 |
Maximum pressure: 5.0MPa for CDV/50bar; 1.4MPa for ED 2200; 1.6MPa – other drain valves.
Feed voltage: 230V for CDV series and ED230V
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