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ZW Sewage Self Primming Pump
The ZW Self-Priming Pumps are newly developed self-priming centrifugal pumps for sawage water or chemicals. The pumps have the compact structure, the high energy-efficiency to operate smoothly and reliably, the long life expectancy.
The ZW Self-Priming Pumps are just need to check the amount of liquid in the pump for self-priming before starting pump. The self-priming centrifugal pumps are widely used for applications in the chemical, dye stuffs, petroleum, pharmaceutical, brewery, paper and pulp, metallurgical and mining industries and for oil discharge of oil carrying ships, as well as for water supply and sewage drainage of municipal industrial and emergence services.
ZW Self-Priming Pumps' general date
(1)Environment temperature¡Ü45 Celsius degrees;
Liquids temperature¡Ü120 Celsius degrees.
(2)Liquid PH: Cast iron pump: 6-9;
Stainless steel pump: 1-14;
(3)Max grain diameter can be 60% of caliber for pump;
Length of fiber can be 5 times as caliber for pump.
(4) Liquid density¡Ü1240kg/cm3
| Model | Flow(m3/h) | Head(m) | Power(KW) | Rotary speed(r/min) | Efficiency(%) | suction height(m) |
| ZW25-8-15 | 8 | 15 | 2.2 | 2900 | 45 | 2.0 |
| ZW32-5-20 | 5 | 20 | 2.2 | 2900 | 45 | 2.5 |
| ZW32-10-20 | 10 | 20 | 2.2 | 2900 | 45 | 2.5 |
| ZW32-9-30 | 9 | 30 | 3 | 2900 | 48 | 2.5 |
| ZW40-10-20 | 10 | 20 | 2.2 | 2900 | 45 | 2.5 |
| ZW40-20-15 | 20 | 15 | 2.2 | 2900 | 45 | 2.5 |
| ZW40-15-30 | 15 | 30 | 3 | 2900 | 48 | 2.5 |
| ZW50-10-20 | 10 | 20 | 2.2 | 2900 | 45 | 2.5 |
| ZW50-20-12 | 20 | 12 | 2.2 | 2900 | 45 | 2.5 |
| ZW50-15-30 | 15 | 30 | 3 | 2900 | 48 | 2.5 |
| ZW50-20-35 | 20 | 35 | 5.5 | 2900 | 48 | 2.5 |
| ZW65-30-18 | 30 | 18 | 4 | 1450 | 45 | 2.5 |
| ZW65-25-30 | 25 | 30 | 5.5 | 2900 | 50 | 3.0 |
| ZW65-25-40 | 25 | 40 | 7.5 | 2900 | 50 | 3.0 |
| ZW65-40-25 | 40 | 25 | 7.5 | 2900 | 50 | 3.0 |
| ZW65-65-25 | 65 | 25 | 7.5 | 2900 | 52 | 3.0 |
| ZW80-40-16 | 40 | 16 | 4 | 1450 | 50 | 3.0 |
| ZW80-40-25 | 40 | 25 | 7.5 | 2900 | 50 | 3.0 |
| ZW80-25-40 | 25 | 40 | 7.5 | 2900 | 50 | 3.0 |
| ZW80-65-25 | 65 | 25 | 7.5 | 2900 | 52 | 3.0 |
| ZW80-80-35 | 80 | 35 | 15 | 2900 | 45 | 3.0 |
| ZW80-40-50 | 40 | 50 | 18.5 | 2900 | 50 | 3.0 |
| ZW80-50-60 | 50 | 60 | 22 | 2900 | 55 | 3.0 |
| ZW100-100-15 | 100 | 15 | 7.5 | 1450 | 50 | 4.0 |
| ZW100-80-20 | 80 | 20 | 7.5 | 1450 | 53 | 4.0 |
| ZW100-100-20 | 100 | 20 | 11 | 1450 | 53 | 4.0 |
| ZW100-100-30 | 100 | 30 | 22 | 2900 | 53 | 4.0 |
| ZW100-80-45 | 80 | 45 | 30 | 2900 | 55 | 4.0 |
| ZW100-80-60 | 80 | 60 | 37 | 2900 | 53 | 4.0 |
| ZW100-80-50 | 80 | 80 | 45 | 2900 | 50 | 4.0 |
| ZW125-120-20 | 120 | 20 | 15 | 1450 | 55 | 4.5 |
| ZW150-180-14 | 180 | 14 | 15 | 1450 | 60 | 5.0 |
| ZW150-180-20 | 180 | 20 | 22 | 1450 | 60 | 5.0 |
| ZW150-180-30 | 180 | 30 | 37 | 1450 | 65 | 5.0 |
| ZW150-180-38 | 180 | 38 | 55 | 1450 | 45 | 5.0 |
| ZW200-280-14 | 280 | 14 | 22 | 1450 | 65 | 5.0 |
| ZW200-280-20 | 280 | 20 | 37 | 1450 | 62 | 5.0 |
| ZW200-300-25 | 300 | 25 | 45 | 1450 | 59 | 5.0 |
| ZW200-280-28 | 280 | 28 | 55 | 1450 | 55 | 4.8 |
| ZW250-420-20 | 420 | 20 | 55 | 1450 | 61 | 6.0 |
| ZW300-800-14 | 800 | 14 | 55 | 1450 | 65 | 6.0 |
