NFWG Non Negative Pressure Frequency Convention Water Supply Equipment

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NFWG series non negative pressure frequency convention water supply equipment is a new type frequency convention equipment. There are two types. One is cabinet model equipment, the other is tank model equipment. The equipment can be connected to the municipal water supply network where the pressure is not high enough. Use sensor to detect the outlet pressure and compare with the setting value to calculate the pressure needed to be boosted, pump quantity, motor rotation. The equipment can make full use of the original pressure of the municipal water supply network. It will not cause negative pressure of the municipal water supply network. It uses the stainless steel non negative pressure tank to replace the old pool to avoid second pollution. It is the new general energy saving product in the water supply industry.

Main application

1. Residential water supply: High building, residential area, villa, etc.
2. Public places: Hospital, university, gymnasium, golf course, airport, etc.
3. Commercial building: Hotel, office building, department store, large-scale sauna center.
4. Irrigation: Park, playing round, garden, farm, etc.
5. Manufacturing industry: Manufacturing, lavation equipment, food industry, factory, etc.
6. Other: Rebuild of water pool or other form.


1. Non-negative pressure

The system can connect to the municipal water supply system to boost it and will not cause negative pressure for the municipal water supply system.

2. High quality, PC controls:

Invented by us, have multi-function, can supply high standard precise control. It arrives to the advance level in the world.

3. Boosting

When the equipment is running, it can use the pressure that water supply network supplies and boost base on this, Compared to suck water from the normal water pool, it can use less pump or lower the rotation to save energy.

4. Not stop water supply when power is off

When the power supply is out off power, system can supply water with 747D and. Bypass, etc, that is, system can supply water with the municipal water supply pressure.

5. Clean

The flow parts are all stainless steel which is the material of food grade, it is conform to the international water related rules. The cabinet type non-negative device can ensure the water in the cabinet to be circulated by the usage of residents. The closed type non-negative device can circulate real-timely to ensure the safety of the water.

6. Energy saving

The system needs not the water pool etc. To store the water, which save the space. The system works high efficiently, which can save 60% energy. There is pressure of the municipal water network. When running, the system only need to boost on the pressure of municipal water network. The system need not to be monitored by people, and need not the water pool, etc. And there is no water quality handling machine. It is not needed to be cleaned and disinfected timely. So energy saving is obvious

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