Bitzer W...A series W2NA (NH3)
In addition to compressors for HFC and HCFC, we offer a series of open-drive compressors specially optimized for use with ammonia (NH₃) refrigerant.
- Suitable for coupling and belt drives.
- Highly efficient and robust valve plate design resulting from a new style of valve construction - Equipped with proven design elements.
- Pressure oil lubrication with reversible gear pump.
| Compressor type | Motor pulley ø | Displacement | Necessary driving motor | Cond.temp. | Cooling capacity Q0 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Evaporating temperature °C | ||||||||||||||
| mm | m3/h | K | N | °C | 15 | 12,5 | 10 | 7,5 | 5 | 0 | -5 | -10 | -15 | |
| W2NA | S190 | 22,5 | 4,0 | 4,0 | 30 | 38300 | 35000 | 31950 | 29100 | 26400 | 21500 | 17300 | 13660 | 10540 |
| 5,5 | 5,5 | 40 | 36850 | 33600 | 30550 | 27700 | 25050 | 20250 | 16050 | 12440 | ||||
| 7,5 | - | 50 | 34900 | 31700 | 28700 | 25900 | 23250 | 18530 | ||||||
| S210 | 25,0 | 4,0 | 5,5 | 30 | 42100 | 38500 | 35100 | 31950 | 29000 | 23650 | 19020 | 15020 | 11580 | |
| 7,5 | 5,5 | 40 | 40500 | 36950 | 33600 | 30500 | 27550 | 22250 | 17650 | 13680 | ||||
| 7,5 | - | 50 | 38350 | 34850 | 31550 | 28450 | 25600 | 20400 | ||||||
| S230 | 28,0 | 5,5 | 5,5 | 30 | 46400 | 42400 | 38700 | 35200 | 31950 | 26050 | 20950 | 16550 | 12760 | |
| 7,5 | 7,5 | 40 | 44650 | 40700 | 37000 | 33600 | 30350 | 24500 | 19450 | 15070 | ||||
| K | 11,0 | - | 50 | 42250 | 38400 | 34750 | 31350 | 28200 | 22450 | |||||
| S250 | 31,3 | 5,5 | 5,5 | 30 | 50800 | 46400 | 42350 | 38500 | 34950 | 28500 | 22950 | 18100 | 13960 | |
| 7,5 | 7,5 | 40 | 48850 | 44550 | 40500 | 36700 | 33200 | 26800 | 21300 | 16490 | ||||
| 11,0 | - | 50 | 46200 | 42000 | 38000 | 34300 | 30800 | 24550 | ||||||