Non-Negative Pressure Water Supply System

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300 unit/month

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Performance of Non-negative Pressure Water Supply System

Flow Range:5-1500m3/h

Head Range:5-500m

Power Range:1.1-250KW

Temperature:-20ºC-110ºC

Material:Cast Iron,Stainless Steel

Work Pressure:<1.6Mpa

Products Overview of Non-negative Pressure Water Supply System
1. no negative pressure (no suction) automatic water supply equipment directly use the municipal pipeline network as water source, forming a continuous airtight relay pressurization water supply patterns, completely avoid lowering the water quality caused by the traditional secondary pressurization water supply system, completely ensure the water quality of the municipal water. 
2. make full use of municipal water pressure itselfe, make up the pressure difference, effectively and maximize the frequency conversion effect. 
3. traditional secondary pressurized water supply way, the water is tapped into reservoir, which leads to original pressure wasted and reduces the neighboring user pressure, while this equipment directly fill pressure to original water pressure, so as to realize the optimal limited pressurization, guarantee the adjacent pipe pressure was not affected. 

Performance Characteristics of Non-negative Pressure Water Supply System
1, directly connected with the municipal pipeline, no reservior needed. 
2, small volume, occupies little space, convenient installation. 
3, water tank, pumps are made of stainless steel, no secondary pollution. 
5, the water pressure is steady, won't cause adjacent user pipe pressure fluctuations. 
6, automatic operation, can unattended. 
7, protection function is well-found, the fault automatically alarmed. 
8, make full use of the original water pressure, make up pressure difference, high efficiency and energy saving. 
When the municipal pipeline is high-pressure, equipment in stop condition, municipal water goes directly to the user network through the by-pass pipe. 
When the municipal pipeline is low pressure, equipment automatic starts the pump on the basis of original municipal water pressure, carries on the variable frequency speed regulation pressurization water supply. 

Technical Parameters of Non-negative Pressure Water Supply System
Water flow: 0-1500 M3 / H 
Head: 0-500M 
Control motor power: 0.75-1500KW 
Water supply number: 10-10,000 households 
Pressure control range: 0.15-1.6 MPa 
The average energy saving rate: 30-60 percent 
The control principle: sine wave PWM or space vector SVPWM 
Operation mode: single pump or multiple pump automatically switch 
Control mode: programmable and PID control 
Overload ability: 150% 60 seconds 
Protection function: Soft start, diagnostic display and protection function of over-voltage, phase lack, covert, undervoltage, broken road, instantly blackout, short-circuit, etc. 

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