Water pump control valve
A valve is a mechanical device that controls the flow rate, flow direction, pressure, temperature, etc. of a flowing fluid medium. Valves are the basic components in piping systems. Valve fittings, like pumps in technology, are often discussed as a separate category.
Key words:
Classification:
Ductile iron valve series
Description
A valve is a mechanical device that controls the flow rate, flow direction, pressure, temperature, etc. of a flowing fluid medium. Valves are the basic components in piping systems. Valve fittings, like pumps in technology, are often discussed as a separate category. The valve may be operated manually or with a hand wheel, handle or pedal, and may also be controlled to vary the pressure, temperature and flow rate of the fluid medium. The valve can perform continuous or repeated operations on these changes, such as safety valves installed in hot water systems or steam boilers. In more complex control systems, automatic control valves are used as required by external inputs (I. e., to adjust the changing set point of the flow through the pipeline). The automatic control valve does not need to be manually operated according to its input and setting, so that the valve can accurately control the various requirements of the fluid medium. Valves can also be divided into cast iron valves, cast steel valves, stainless steel valves, chromium molybdenum steel valves, chromium molybdenum vanadium steel valves, dual phase steel valves, plastic valves, non-standard customized valve materials, etc.
◆ Product overview
700X pump control valve, is a kind of installed in high-rise buildings and other water supply system of the pump outlet, to prevent the backflow of the medium backflow valve. When the water pump is about to stop the water supply, the valve will slowly close about 90% to prevent the water hammer and water hammer caused by the sudden stop of the pump. When the pump is completely stopped, the valve is completely closed again to prevent the backflow of the pumped water and effectively protect the pump from the impact of backflow and reverse. The product is an essential protection device for the pump outlet. The valve is streamlined design, through the solenoid valve to achieve accurate opening and closing, the use of safe and reliable, effectively prevent water hammer and water hammer sound, long service life, easy installation and maintenance.
◆ Typical installation diagram
◆ Main outline connection dimension
| Nominal diameter DN | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | 700 | 800 | |
| L | PN1.0MPa | 215 | 240 | 255 | 290 | 310 | 360 | 430 | 510 | 600 | 630 | 700 | 742 | 775 | 925 | 1100 | 1210 |
| PN1.6MPa | 215 | 240 | 255 | 290 | 310 | 360 | 430 | 510 | 600 | 630 | 700 | 742 | 775 | 925 | 1100 | 1210 | |
| H1 | 152 | 145 | 167 | 232 | 288 | 342 | 413 | 502 | 600 | 600 | 685 | 685 | 880 | 1050 | 1225 | 1400 | |
| H | 250 | 250 | 271 | 375 | 455 | 502 | 636 | 781 | 913 | 913 | 1035 | 1035 | 1300 | 1535 | 1793 | 2022 | |
Note: The structure length in this table is based on CJ/T 167 standard.
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