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Chongqing Zhongbai Pump Industry Co., Ltd
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ZWL type direct connected self-priming centrifugal pump
Good self-priming performance, strong sewage discharge capacity, and high efficiency and energy saving.
Product details
ZWL type direct connection self-priming centrifugal pump - Product Overview

ZWL type direct connection self-priming centrifugal pump is a novel product developed based on repeated research of similar technologies at home and abroad. ZWself-priming centrifugal pumpIt integrates self-priming and non clogging sewage discharge, adopts axial reflux external mixing, and through the unique design of the pump body and impeller flow channel, it can suction and discharge liquids containing large solid particles and long fiber impurities without the need for bottom valves and irrigation water like general self-priming water pumps. It can be widely used in municipal sewage engineering, river pond aquaculture, light industry, papermaking, textile, food, chemical industry, electrical industry, fiber, pulp and mixed suspension, and is the most ideal impurity pump for chemical media Compared with similar domestic products, ZWL self-priming centrifugal pumps have the characteristics of simple structure, good self-priming performance, strong sewage discharge capacity, high efficiency and energy saving, and easy use and maintenanceSewage pumpThis series of products is the first of its kind in China. All technical performance indicators are leading domestically and have reached the international advanced level, with broad application markets and development prospects.

ZWL type direct connected self-priming centrifugal pump - model meaning
ZWL type direct connection self-priming centrifugal pump - Product features

1. Compact structure. ZWL type directly connected self-priming centrifugal pump has a horizontal structure, integrated pump and machine, beautiful appearance, and occupies less space. Compared with ordinary self-priming pumps, it occupies 30% less space. If an IP54 outdoor motor is used, there is no need for a pump room and it can be placed outdoors for use.
2. Smooth operation, low noise, and high concentricity of components. The motor and pump are directly connected, simplifying the intermediate structure and increasing the smoothness of operation. The impeller has excellent dynamic and static balance, operates without vibration, has low noise, extends the service life of bearings, and improves the operating environment.
3. The shaft seal adopts high-quality mechanical seals, and the dynamic and static rings are made of hard alloy, which is wear-resistant, leak free, and has a long service life.
4. Adopting advanced hydraulic models, it has the characteristics of high efficiency and good performance.
5. Easy to install, use, and maintain. The discharge pipeline does not require a check valve, and the suction pipeline does not require a bottom valve, thus simplifying the pipeline system and improving working conditions.
6. Unique structure, good self-priming performance, only need to ensure before operationpumpHaving a fixed amount of fluid stored in the body is sufficient.

ZWL type direct connection self-priming centrifugal pump - Scope of use

1. The environmental humidity is 50 ℃, and the medium temperature is required to reach 200 ℃.
2. The pH value of the medium is 6-9 for cast iron and 2-13 for stainless steel.
3. The medium density shall not exceed 1240 kg/m3
4. The self-priming height cannot exceed the specified value of 4.5-5.5 meters, and the length of the suction pipe is 10 meters.
5. The suspended particle diameter is 60% of the pump diameter and the fiber length is 5 times the pump diameter.

ZWL type direct connection self-priming centrifugal pump - structural diagram

Serial Number Component Name Serial Number Component Name
1 Import takeover 5 impeller
2 Imported one-way valve 6 mechanical seal
3 Water outlet connection 7 bearing housing
4 pumpbody 8 Pump shaft

model Traffic Q
(m3/h)
lift
(m)
Motor Power
(KW)
rotational speed
(r/min)
25ZWL8-15 8 15 1.5 2900
32ZWL10-20 10 20 2.2 2900
32ZWL20-12 20 12 2.2 2900
40ZWL20-12 20 12 2.2 2900
40ZWL10-20 10 20 2.2 2900
40ZWL15-30 15 30 3 2900
50ZWL10-20 10 20 2.2 2900
50ZWL20-12 20 12 2.2 2900
50ZWL15-30 15 30 3 2900
65ZWL30-18 30 18 4 1450
65ZWL20-30 20 30 5.5 2900
65ZWL15-30 15 30 3 2900
65ZWL20-14 20 14 2.2 2900
65ZWL25-40 25 40 7.5 2900
65ZWL30-50 30 50 11 2900
80ZWL40-16 40 16 4 1450
80ZWL40-50 40 50 18.5 2900
80ZWL65-25 65 25 7.5 2900
80ZWL80-35 80 35 15 2900
80ZWL50-60 50 60 22 2900
100ZWL100-15 100 15 7.5 1450
100ZWL80-20 80 20 7.5 1450
100ZWL100-20 100 20 11 1450
100ZWL100-30 100 30 22 2900
100ZWL80-60 80 60 37 2900
100ZWL80-80 80 80 45 2900
125ZWL120-20 120 20 15 1450
125ZWL200-15 200 15 15 1450
150ZWL200-15 200 15 15 1450
150ZWL250-25 250 25 45 2900
200ZWL280-14 280 14 22 1450
200ZWL300-18 300 18 37 1450
200ZWL280-28 280 28 55 1450
250ZWL420-20 420 20 55 1450
300ZWL800-14 800 14 55 1450

ZWL typeDirectly connected self-priming centrifugal pumpSuitable for industries such as chemical, petroleum, pharmaceutical, mining, papermaking, fiber, pulp, textile, food, power plants, municipal sewage engineering, public facility sewage, and river pond aquaculture.
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