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YZWF Series VVVF no negative-pressure water supply equipment

Country/Region china
Company Shanghai Yazhou Pump-Manufacturing Co., Ltd.
Categories Non Clog Sewage Pump
Telephone 086-21-62991911 086-21-52892819, 086-21-57775888 086-21-57775777
ICP License Issued by the Chinese Ministry
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    YZWF Series VVVF no negative-pressure water supply equipment

     Product> YZWF Series VVVF no negative-pressure water supply equipment
      Product Overview  
      YZWF-based frequency control device is a non-negative-pressure water supply and drainage company of professional and technical personnel, after a long-term research and exploration, combined with the original automatic frequency conversion water supply equipment, developed a new environmentally friendly energy-saving products. Frequency of water supply due to the product set, no negative pressure steady flow, no energy waste, no water pollution in one of the advantages, it will become a kind of latest, most stylish and most convenient green water supply equipment, but also a variety of pressure water supply equipment, replacement product.
      Features
      YZWF-based frequency control non-negative-pressure water supply equipment is the most important feature can be directly connected with the municipal pipe network, and apply the pressure directly or indirectly, water supply, no negative pressure on the water pipe network effect. Its choice of steady flow tank tightness strong wall using the advanced "841 epoxy polyamines" food containers built to conduct anti-corrosion coatings, they are able to replace the reservoir, both economic and public health, energy-saving results are obvious; pool cost savings 50% ; energy cost savings 20% ~ 40%. The device is a high degree of automation, due to the application of inverter technology, with soft start, overload, short circuit, over voltage and other protection, according to the amount of water automatically adjust water flow, in exceptional circumstances be able to carry out signal alarm and fault diagnosis and so on.
      Working Condition
    ·Working Medium: temperature of water
    ·Power: Three-phase 380V, 50Hz
    ·Control mode: Frequency Control Type
    ·Operation mode: continuous operation
    ·Ambient temperature: 5 ~ 40 ℃
    ·Relative humidity: ≤ 85%
      Application Range
      YZWF-based frequency control non-negative-pressure water supply equipment for all types of residential quarters and office, industrial and mining enterprises of production and living water; all kinds of engineering and construction of the fire water supply, water supply plant in the middle of booster pump station and so on.
      Model Significance
      Work Theory
      The equipment mainly by the intelligent frequency conversion water supply installations, non-steady flow vacuum devices and electric control consists of three parts. The equipment put into use, the water pipe network steady flow of water into the tank, the tank in the discharge of air from the exhaust valve until the water is full, the exhaust valve automatically closes. When the water pipe network pressure to meet water requirements, the system from the bypass pipe from the users directly to the water supply pipe network; when the pipe network pressure changes, the system will detect the pressure gauge through the FET signal fed back to the frequency control system, by According to automatically adjust the size of their water pump speed and control the number of tables for constant pressure water supply. (Each pump to start by the inverter, the controller starts the first inverter to run a water pump, when the water is large, a water pump to run at full speed is still not meet the requirements, then the water pumps running at full speed automatic input frequency, while the frequency device to start an
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