Introduction of CWZ Series Marine Ballast Water Pump
CWZ series marine horizontal self-priming ballast pumps have compact structure, beautiful appearance and good self-priming performance. According to different media, different materials are used to transport ship bilge ballast water, sea water or fresh water whose temperature is not higher than 85 ℃.
Model Explanation: 32CWZ-5
32—Inlet and outlet diameter 32 mm
CWZ—Marine Horizontal self-priming centrifugal pumps
5—Impeller specific speed divided by 10 compared with the integer value addition.
Structure Specifications of CWZ Marine Ballast Water Pump
Performance Parameters
| CWZ | 50HZ | 60HZ | 50HZ/60HZ | ||||||
| Type | Capacity | Head | Power/Motor | Capacity | Head | Power/Motor | Efficiency | (NPSH)r | Weight |
| (m3/h) | (m) | (kW) | (m3/h) | (m) | (kW) | (%) | (m) | (kg) | |
| 32CWZ-5 | 8 | 21 | 1.5/Y90S-2H | 9.6 | 30.2 | 3/Y100L-2H | 38 | 4 | 28 |
| 32CWZ-4 | 8 | 30 | 2.2/Y90L-2H | 9.6 | 43.2 | 4/Y112M-2H | 40 | 4 | 29 |
| 32CWZ-3 | 8 | 42 | 4/Y112M-2H | 9.6 | 60.5 | 5.5/Y132S1-2H | 36 | 4 | 30 |
| 40CWZ-6 | 12 | 21 | 2.2/Y90L-2H | 14.4 | 30.2 | 3/Y100L-2H | 52 | 4 | 42 |
| 40CWZ-5 | 12 | 30 | 3/Y100L-2H | 14.4 | 43.2 | 4/Y112M-2H | 51 | 4 | 50 |
| 40CWZ-4 | 12 | 42 | 4/Y112M-2H | 14.4 | 60.5 | 5.5/Y132S1-2H | 47 | 4 | 50 |
| 50CWZ-8 | 21 | 21 | 3/Y100L-2H | 25.2 | 30.2 | 5.5/Y132S1-2H | 51 | 4 | 46 |
| 50CWZ-6 | 21 | 30 | 4/Y112M-2H | 25.2 | 43.2 | 7.5/Y132S2-2H | 56 | 4 | 60 |
| 50CWZ-5 | 21 | 42 | 5.5/Y132S1-2H | 25.2 | 60.5 | 11/Y160M1-2H | 52 | 4 | 52 |
| 65CWZ-11 | 36 | 21 | 4/Y112M-2H | 43.2 | 30.2 | 7.5/Y132S2-2H | 64 | 4 | 50 |
| 65CWZ-8 | 36 | 30 | 5.5/Y132S1-2H | 43.2 | 43.2 | 11/Y160M1-2H | 61 | 4 | 52 |
| 65CWZ-6 | 36 | 42 | 11/Y160M1-2H | 43.2 | 60.5 | 15/Y160M2-2H | 57 | 5 | 65 |
| 65CWZ-5 | 36 | 60 | 15/Y160M2-2H | 43.2 | 86.4 | 22/Y180M-2H | 52 | 5 | 80 |
| 80CWZ-14 | 60 | 21 | 7.5/Y132S2-2H | 72 | 30.2 | 11/Y160M1-2H | 67 | 4 | 85 |
| 80CWZ-11 | 60 | 30 | 11/Y160M1-2H | 72 | 43.2 | 15/Y160M2-2H | 65 | 4 | 92 |
| 80CWZ-8 | 60 | 42 | 15/Y160M2-2H | 72 | 60.5 | 30/Y200L1-2H | 55 | 5 | 100 |
| 80CWZ-6 | 60 | 60 | 22/Y180M-2H | 72 | 86.4 | 37/Y200L2-2H | 54 | 5 | 100 |
| 80CWZ-5.5 | 60 | 75 | 30/Y200L1-2H | 72 | 108 | 45/Y225M-2H | 56 | 5 | 110 |
| 100CWZ-18 | 100 | 21 | 11/Y160M1-2H | 120 | 30.2 | 18.5/Y160L-2H | 68 | 5 | 125 |
| 100CWZ-14 | 100 | 30 | 15/Y160M2-2H | 120 | 43.2 | 30/Y200L1-2H | 65 | 5 | 128 |
| 100CWZ-11 | 100 | 42 | 22/Y180M-2H | 120 | 60.5 | 37/Y200L2-2H | 58 | 5 | 135 |
| 100CWZ-8 | 100 | 60 | 30/Y200L1-2H | 120 | 86.4 | 55/Y250M-2H | 55 | 4 | 152 |
| 100CWZ-6 | 100 | 85 | 45/Y225M-2H | 120 | 122.4 | 75/Y280S-2H | 59 | 5 | 165 |
| 80CWZ-4 | 25 | 25 | 5.5/Y132S-4H | 30 | 36 | 7.5/Y132M-4H | 42 | 2.3 | |
| 125CWZ-23.5 | 160 | 20 | 18.5/Y180M-4H | 192 | 28.8 | 30/Y200L-4H | 60 | 5 | |
| 125CWZ-16.5 | 160 | 32 | 30/Y200L-4H | 192 | 46 | 45/Y225M-4H | 63 | 5 | |
| 150CWZ-3.5 | 110 | 80 | 55/Y250M-4H | 130 | 115 | 90/Y280M-4H | 55 | 4.2 | |
| 150CWZ-13 | 200 | 20 | 22/Y180L-4H | 240 | 28.5 | 37/Y225S-4H | 60 | 5 | |
| 150CWZ-9 | 200 | 32 | 37/Y225S-4H | 240 | 43.8 | 55/Y250M-4H | 55 | 5 | |
| 150CWZ-7 | 200 | 45 | 45/Y225M-4H | 240 | 65 | 75/Y280S-4H | 65 | 5 | |
| 200CWZ-15 | 250 | 14 | 18.5/Y180M-4H | 300 | 20 | 30/Y200L-4H | 71 | 5 | |
| 200CWZ-9 | 300 | 45 | 75/Y280S-4H | 360 | 65 | 110/Y280M-4H | 70 | 5 | |
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