2020Explosion proof self-priming sewage pump quotation ZWB type self-priming pump manufacturer Explosion proof self-priming sewage pump equipped with explosion-proof motor Explosion proof self-priming sewage pump parameters

ZWB type self-priming pumpWorking principle of the manufacturer：

ZW (self-priming sewage pump) is mainly composed of pump body, impeller, back cover, mechanical seal, pump shaft, bearing seat, inlet valve, gas-liquid separation pipe, water inlet valve, inlet and outlet pipes, etc. The structure of the pump is shown in the diagram.
The working principle of the pump: The pump body is equipped with a liquid storage chamber, which is connected to the pump working chamber through the upper reflux hole and the lower circulation hole, forming an axial flow external mixing system of the pump. After the pump stops working, there is already a certain volume of liquid stored in the pump chamber. When the pump is started, the liquid stored in the relevant authorities is ejected upwards with air under the action of the impeller. The liquid flows back to the working chamber through the grid of the gas-liquid separation tube, and the gas is discharged outside the pump, creating a certain degree of vacuum inside the pump and achieving self-priming.

Model meaning:

Explosion proof self-priming sewage pump ZWB typeManufacturer performance parameters:

【Explosion proof self-priming sewage pump ZWB type self-priming pump manufacturer】Structure diagram:

【Explosion proof self-priming sewage pump ZWB type self-priming pump manufacturer】Usage conditions:

1. Environmental temperature ≤ 50 ℃, medium temperature ≤ 80 ℃, special requirements can reach 200 ℃
2. The pH value of the medium is 6-9 grade for cast iron and 2-13 grade 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

【Explosion proof self-priming sewage pump ZWB type self-priming pump manufacturer】Product features:

1. Adopting a double blade impeller structure greatly improves the ability of pollutants to pass through
2. The mechanical seal adopts a new type of friction pair and operates in the oil chamber for a long time;
3. The overall structure is compact, the volume is small, the noise is low, and the energy-saving effect is significant. It is easy to maintain and convenient for users to replace;
4. The automatic control cabinet can automatically control the pump's over movement and stop according to the required liquefaction changes, without the need for dedicated personnel to supervise, making it extremely convenient to use;
5. Installation methods can be provided according to user needs, which greatly facilitates installation and maintenance. People do not need to enter the sewage pit for this purpose;
6. Can be used within the design scope while ensuring that the motor does not overload;
7. If the pump is equipped with an outdoor motor, there is no need to build a pump room, and it can be directly installed and used outdoors to save costs;

【Explosion proof self-priming sewage pump ZWB type self-priming pump manufacturer】Main purpose:

ZW type self-priming sewage pump (self-priming sewage pump) is suitable for the discharge of severely polluted wastewater in factories and commercial areas, sewage discharge stations in main residential areas, water distribution systems in urban sewage treatment plants, drainage stations in civil air defense systems, water supply equipment in waterworks, sewage discharge in hospitals and hotels, municipal engineering construction sites, mining supporting machinery, rural biogas digesters, farmland irrigation and other industries. It can also be used to transport granular sewage and pollutants, as well as clean water and weakly corrosive media.

【Explosion proof self-priming sewage pump ZWB type self-priming pump manufacturer）】Fault causes and troubleshooting methods:

statementDue to the continuous updates of the product, all text, data, and images in this article are for reference only. The performance parameters, usage scenarios, material requirements, structure, installation dimensions, and price of ZW self-priming sewage pumps are all included in this article. We will do our best to provide you with high-quality service.

【Explosion proof self-priming sewage pump ZWB type self-priming pump manufacturerPerformance curve chart:

【Explosion proof self-priming sewage pump ZWB type self-priming pump manufacturer）】Unit structure:

【Explosion proof self-priming sewage pump ZWB type self-priming pump manufacturer）】Preparation and operation before startup:

◆Check if the fasteners at the connection parts of the self-priming pump base, coupling, bearings, etc. are loose? If there is looseness, it should be tightened.
◆Is there any jamming or abnormal noise when rotating the coupling by hand?
◆Open the water inlet valve above the self-priming pump, add no less than two-thirds of the pump body volume of stored liquid water, and close the valve. In the future, there will be no need to refill water when starting up.
◆Connect the power and try turning it on. From the motor end, it turns clockwise. (Reverse is strictly prohibited)

Please provide as much as possible for ordering:1. Model2. Caliber3. Head (m)4. Traffic5. Motor power (KW)6. Speed (R/min)7. Voltage (V)8. Does the material come with accessories

Welcome to visit our website at Yongjia Quanda【www.quandabf.com】If you have any questions Our company specializes in the production of centrifugal pumps, sewage pumps and other products. You can call us at, and we will do our best to provide you with high-quality service.