Shanghai Aoyi Pump Manufacturing Co., Ltd
Home>Products>Strong self-priming double suction pump
Strong self-priming double suction pump
The QZZS double suction emergency self-priming pump series is an energy-saving double suction self-priming pump product developed by our company based
Product details
This pump can adopt three types of structures: split type, direct connection type, and detachable type. It is further divided into two series: clean water type and sewage type. It has the advantages of simple and compact structure, low vibration, good self-priming performance, strong sewage discharge capacity, high efficiency and energy saving, and easy use and maintenance.
Scope of use of QZZS double suction self-priming pump
1. The ambient temperature is ≤ 50 ℃, the medium temperature is ≤ 80 ℃, and special requirements can reach up to 200 ℃.
2. The pH value of the medium is 6-9 for cast iron and 2-13 for stainless steel.
3. QZZW sewage type double suction self-priming pump uses a medium density not exceeding 1240kg/m3, and the lift of sewage type pumps of the same model is 10% lower than that of clean water type pumps
4. The self-priming height cannot exceed the specified value of 12 meters, and the length of the suction pipe is ≤ 15m.
5. The QZZW sewage type double suction self-priming pump has a capacity to suspend particles with a diameter of about 20% of the pump diameter and a fiber length of 5 times the pump diameter.


product overview
The QZZS double suction emergency self-priming pump series is an energy-saving double suction self-priming pump product developed by our company based on the market demand for urban emergency rescue and flood control. The pump is equipped with a vacuum water intake device, with a suction range of up to 9 meters. It does not require additional water intake and can be started dry. It can quickly release water, greatly reducing the rescue time and saving people's lives and property. This pump solves the problems of high axial tension, long self-priming time, and low efficiency of single suction self-priming pumps. It has the advantages of high suction stroke, short self-priming time, high efficiency, significant energy-saving effect, stable operation, and long service life. QZZS clear water type is suitable for conveying clear water or mild sewage, with good self-priming performance. The QZZW sewage pump integrates self-priming and non clogging discharge, adopts an axial reflux external mixing type, and through the unique design of the pump body and impeller flow channel, it does not require the installation of bottom valves and irrigation water, but can also suck and discharge liquids containing impurities such as particulate solids and fibers. It can be widely used in municipal sewage engineering, lotus pond breeding, light industry, papermaking, food, chemical, electrical, fiber, pulp and mixed suspension chemical media, and is the most ideal impurity pump for chemical media. The QZZSC diesel engine type double suction self-priming pump is suitable for various complex emergency rescue, firefighting and other occasions, and is not affected by factors such as power supply and usage site. It can be moved for operation and has high flexibility.

performance parameter

Flow rate: 100m3/h -3600m3/h

Lift: 8m-100m

Power: 7.5KW --560KW

Our company also produces trailer type mobile emergency pump trucks, ultra light strong self-priming pump sets, QZZSC strong self-priming double suction diesel engine self-priming pump heads, QZZS type strong self-priming double suction pumps, AYQZHZW double suction self-priming mixed flow pumps, SZX12.1000.25 series strong self-priming sewage pumps, ZSW strong self-priming pumps that can be started dry without adding water, AYZSC diesel engine type double self-priming pumps, AYZSC double self-priming diesel engine self-priming pumps, ZS double self-priming pumps (detachable), high flow high head direct coupled double self-priming pumps. Suction pumps AYZSL, ZWL direct self-priming non clogging sewage pump, ZXL direct self-priming pump, WFB unsealed self-priming pump, FP reinforced polypropylene self-priming pump, ZWL sewage self-priming pump, ZX series self-priming pump, ZXL direct self-priming pump (explosion-proof), ZSL strong self-priming High lift High traffic Welcome to choose the direct coupled double suction self-priming pump.

Online inquiry
  • Contacts
  • Company
  • Telephone
  • Email
  • WeChat
  • Verification Code
  • Message Content

Successful operation!

Successful operation!

Successful operation!