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The Bitzer low temperature piston water-cooled parallel unit is a centralized refrigeration system developed specifically for low-temperature applications, with a strong emphasis on operational stability, flexible parallel load regulation, and long-term reliability. The unit adopts a parallel configuration with multiple piston compressors operating together, enabling staged start-stop control or combined operation in response to actual cooling load variations. This design allows the system to maintain relatively stable cooling output under different operating conditions. Its parallel arrangement demonstrates good adaptability in low-temperature environments and helps improve operating efficiency under partial-load conditions, making it suitable for frozen storage facilities, low-temperature processing workshops, and related industrial refrigeration applications.
In terms of condensing method, the unit employs a water-cooled condenser design, utilizing a stable cooling water system to provide continuous and uniform heat dissipation. This approach supports reliable system operation under low evaporating temperatures and high load conditions. Compared with air-cooled systems, the water-cooled condensing design is more capable of maintaining balanced operating parameters in environments with significant ambient temperature fluctuations, thereby providing a more stable operating foundation for low-temperature refrigeration systems.
Equipment Parameters Introduction
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Equipment Parameters Introduction
| Unit Model | Com.Model (RFC) |
Com. Cuartity |
Evaporation Temp. (℃) | Reservoir (L) |
Supply pipe (mm) |
Suction pipe (mm) |
Cooling Water interface |
Cooling Water flow |
Dimension(mm) (L×W×H) |
|||||||||
| -20 | -25 | -30 | -35 | -40 | ||||||||||||||
| Coling Capacity/Power lnput (kw) | ||||||||||||||||||
| LXPL-BBS2-18L | 4TES-9 (9HP) |
2 | 26.8 | 12.9 | 21.4 | 11.3 | 15.6 | 10.1 | 15.6 | 10.1 | 7.6 | 7.1 | 40 | Φ22 | Φ54 | 2" | 9.5 | 2300×1250×1850 |
| LXPL-BBS3-27L | 3 | 40.2 | 19.3 | 32.1 | 32.1 | 23.3 | 15.2 | 23.3 | 15.2 | 11.5 | 10.5 | 60 | Φ22 | Φ54 | 2" | 14 | 2950×1250×1850 | |
| LXPL-BBS4-36L | 4 | 53.6 | 25.7 | 42.8 | 22.5 | 31.1 | 20.2 | 31.1 | 20.2 | 15.3 | 14.1 | 60 | Φ22 | Φ76 | 2-1/2" | 18.5 | 3600×1250×1850 | |
| LXPL-BBS2-24L | 4PES-12 (12HP) |
2 | 30.2 | 14.2 | 22.7 | 12.4 | 18.1 | 11.4 | 18.1 | 11.4 | 8.8 | 8.0 | 50 | Φ22 | Φ54 | 2" | 11 | 2300×1250×1850 |
| LXPL-BBS3-36L | 3 | 45.3 | 21.3 | 34.1 | 18.5 | 27.1 | 17.0 | 27.1 | 17.0 | 13.3 | 12.1 | 80 | Φ22 | Φ54 | 2" | 16.5 | 2950×1250×1850 | |
| LXPL-BBS4-48L | 4 | 60.4 | 28.4 | 45.4 | 24.7 | 36.1 | 22.7 | 36.1 | 22.7 | 17.7 | 16.1 | 100 | Φ28 | Φ76 | 2-1/2" | 22 | 3600×1250×1850 | |
| LXPL-BBS2-28L | 4NES-14 (14HP) |
2 | 36.0 | 17.2 | 28.7 | 15.0 | 20.9 | 13.3 | 20.9 | 13.3 | 10.3 | 9.5 | 60 | Φ22 | Φ54 | 2" | 14 | 2300×1250×1850 |
| LXPL-BBS3-42L | 3 | 54.0 | 25.8 | 43.1 | 22.5 | 19.9 | 31.4 | 19.9 | 31.4 | 15.4 | 14.2 | 100 | Φ28 | Φ76 | 2-1/2" | 21 | 2950×1250×1850 | |
| LXPL-BBS4-56L | 4 | 72.0 | 34.4 | 57.4 | 30.0 | 41.9 | 26.6 | 41.9 | 26.6 | 20.6 | 19.0 | 150 | Φ28 | Φ76 | 2-1/2" | 28 | 3600×1250×1850 | |
| LXPL-BBS2-36L | 4HE-18 (18HP) |
2 | 48.0 | 22.8 | 38.9 | 20.2 | 26.3 | 17.4 | 26.3 | 17.4 | 12.3 | 11.8 | 60 | Φ28 | Φ76 | 2-1/2" | 16 | 2300×1250×1850 |
| LXPL-BBS3-54L | 3 | 72.0 | 34.2 | 58.3 | 30.3 | 39.4 | 26.0 | 39.4 | 26.0 | 18.4 | 17.7 | 100 | Φ28 | Φ76 | 2-1/2" | 24 | 2950×1250×1850 | |
| LXPL-BBS4-72L | 4 | 96.0 | 45.6 | 77.7 | 40.4 | 52.6 | 34.7 | 52.6 | 34.7 | 24.6 | 23.6 | 150 | Φ28 | Φ76 | 3" | 32 | 3600×1250×1850 | |
| LXPL-BBS2-46L | 4GE-23 (23HP) |
2 | 57.4 | 27.5 | 47.0 | 24.5 | 30.5 | 25.7 | 30.5 | 20.7 | 14.4 | 14.3 | 100 | Φ28 | Φ76 | 2-1/2" | 21 | 2300×1250×1850 |
| LXPL-BBS3-69L | 3 | 86.1 | 41.2 | 70.5 | 36.8 | 45.8 | 31.1 | 45.8 | 31.1 | 21.5 | 21.5 | 150 | Φ28 | Φ76×2 | 3" | 31 | 2950×1250×1850 | |
| LXPL-BBS4-92L | 4 | 114.8 | 54.9 | 64.0 | 49.1 | 61.0 | 41.4 | 62.0 | 41.4 | 28.7 | 28.6 | 200 | Φ35 | Φ108 | 4" | 41.5 | 3600×1250×1850 | |
| LXPL-BBS2-50L | 6JE-25 (25HP) |
2 | 61.8 | 29.1 | 50.0 | 25.8 | 35.3 | 22.5 | 35.3 | 22.5 | 15.9 | 15.2 | 150 | Φ22 | Φ67 | 2-1/2" | 22 | 2300×1250×1850 |
| LXPL-BBS3-75L | 3 | 92.7 | 43.7 | 75.0 | 38.7 | 52.9 | 33.7 | 52.9 | 33.7 | 23.8 | 22.9 | 200 | Φ28 | Φ76 | 3" | 33 | 2950×1250×1850 | |
| LXPL-BBS4-100L | 4 | 123.6 | 58.2 | 100.0 | 52.6 | 70.6 | 44.9 | 70.6 | 44.9 | 31.8 | 30.5 | 250 | Φ28 | Φ76 | 4" | 44 | 3600×1250×1850 | |
| LXPL-BBS2-56L | 6HE-28 (28HP) |
2 | 73.6 | 34.9 | 59.8 | 31.0 | 39.4 | 26.0 | 39.4 | 26.0 | 18.4 | 17.7 | 150 | Φ28 | Φ76 | 2-1/2" | 24 | 2300×1250×1850 |
| LXPL-BBS3-84L | 3 | 110.4 | 52.3 | 89.7 | 46.5 | 59.1 | 39.0 | 59.1 | 39.0 | 27.7 | 26.6 | 200 | Φ35 | Φ108 | 3" | 36 | 2950×1250×1850 | |
| LXPL-BBS4-112L | 4 | 147.2 | 69.7 | 119.6 | 62.0 | 78.8 | 52.1 | 78.8 | 52.1 | 36.9 | 35.4 | 250 | Φ35 | Φ108 | 4" | 48 | 3600×1250×1850 | |
| LXPL-BBS2-68L | 6GE-34 (34HP) |
2 | 85.0 | 40.6 | 69.2 | 36.1 | 48.5 | 31.0 | 48.5 | 31.0 | 21.5 | 21.4 | 150 | Φ28 | Φ76 | 3" | 29 | 2300×1250×1850 |
| LXPL-BBS3-102L | 3 | 127.5 | 60.9 | 103.8 | 54.2 | 68.7 | 46.5 | 68.7 | 46.5 | 32.3 | 32.0 | 200 | Φ35 | Φ108 | 3" | 43.5 | 2950×1250×1850 | |
| LXPL-BBS4-136L | 4 | 170.0 | 81.2 | 138.4 | 72.2 | 91.6 | 62.1 | 91.6 | 62.1 | 43.1 | 42.8 | 300 | Φ35 | Φ108 | 4" | 58 | 3600×1250×1850 | |
| LXPL-BBS2-88L | 6FE-44 (44HP) |
2 | 103.0 | 49.2 | 84.0 | 44.2 | 55.4 | 37.2 | 55.4 | 37.2 | 26.7 | 26.1 | 200 | Φ28 | Φ76 | 3" | 29 | 2300×1250×1850 |
| LXPL-BBS3-132L | 3 | 154.5 | 73.8 | 126.0 | 66.3 | 83.1 | 55.9 | 83.1 | 55.9 | 40.0 | 39.2 | 250 | Φ35 | Φ108 | 3" | 43.5 | 2950×1250×1850 | |
| LXPL-BBS4-176L | 4 | 206.0 | 89.4 | 168.0 | 88.4 | 110.8 | 74.5 | 110.8 | 74.5 | 53.3 | 52.2 | 400 | Φ35 | Φ108 | 4" | 58 | 3600×1250×1850 | |
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