DWS type non-negative pressure additive pipe pressure water supply devices

DWS type non-negative pressure additive pipe pressure water supply devices series parameters:

Model: DWS type

Capacity: 0.1-1500m3 / h

Head: 10-250 meters
Working voltage: 380V, the voltage can be customized

Family number: 1-3000

The maximum working pressure: 1.0/1.6/2.5/3.0Mpa

Caliber: 25-600mm

Use environment : dry and not corrosive environment

Characteristic: non-negative pressure 、additive pipe pressure water supply、 frequency conversion constant pressure water supply、 intelligient high automatic、 current overload protection、 protection from lack of water、protection function from low water level

Customized: yes , the equipments are customized according customer's requirement

The composition of the equipment:  non-negative pressure tank,pumping unit, frequency conversion control cabinet, pressure sensor,pressure transducer,pressure compensation pot, signal processor, pipe network, pipe valve and etc

Application: 

1. residential building, office building water supply in costant pressure

2. office buildings, hotels, school, hospital automatic costant pressure water supply

3. all kinds of water reuse system and cooling water supply system

4. transformation of the original water supply system of water supply equipment

5. Water supply company's intermediate large water booster pump station

6. maintain constant pressure of high building or meet needs of water-intensive low building

7. application of renewal project of water tank and pool water supply equipment

The non-negative pressure equipment can be connected on the municipal pipe network directly, setting required pressure on frequency control cabinet, which will compare the municipal pipeline pressure with the setting value, then send the signal to PLC programmable controller through A/D module. After that, it will calculate and export frequency controller's rate singal, depends on the singal, the frequency controller will adjust the motor's speed to achieve constant pressure water supply. 

1. The non-negative pressure equipment can be connected on the municipal pipe network directly

2. without high-level water tower or tank, eliminate secondary pollution

3. visual opertation panel,muptiple display content: pressure, frequency, operational pump, automatic and manual, fault alarm, auto test system etc

4. According to water consumption change, directly set pressure by changing controller's motor speed and adding and subtracting pump in quantity, to keep constant pressure, to realize the function of start or stop sleep pump in little water

5. according to customer's requirement, install communication interface in system to directly connect with controlling center to realize monitoring, operation and protection of lack of water and phase and overload flow. Protection of lack of water and phase and overload flow

6. According to customers requirement, we could install communication interface in system to directly connect with controlling center to realize monitoring operation

7. highly automatic,  without watching over, frequency conversion tank can automatically control and pump can automatically operate to saving the cost of management