Can be differential pressure regulating valve does not need external energy, relying on the modulated medium pressure changes automatically adjust itself, automatic eliminate the residual pressure head and pipe network pressure fluctuation caused by the flow of change, constant user import and export pressure difference, help stabilize the system. Installation 1, medium flow direction should be and body direction arrow to; 2, poor adjustable voltage control valve should be installed in the pipe, Industrial Valves connected to guide tube, guide the other end of the pipe connected to the water supply pipe, it is recommended to guide pipe water supply side install 1/2 'ball valve, in order to start the eliminate congestion function; 3, in the guide tube on the water supply pipe should be installed in front of the screen pack, avoid the valve loses its ability to automatically adjust the poor water quality; 4, water supply pipe, and the mesh pipe before the valve should be installed pressure gauge, respectively, facilitate adjustment control pressure difference; 5, if discover the system flow is too big or too small, the possible reasons are piping components installed with sundry jam in the valve plug, can be shut down 3-1/2 ball valve 5 minutes, then if it is a lighter plug, can be automatically eliminated, if not eliminate, to open the valve to check) Eliminate the blockage, controlling differential pressure regulating methods: inverse direction of pressure regulating valve lever to regulate, when observed before the pressure differential gauge lower 0. 01 MPa, the control pressure difference is set by 0. 02 MPa increases to 0 03 MPa and so on; 7, adjustable voltage control valve working pressure difference of 0. 02 ~ 0. 3 MPa found their work after such as installing differential pressure gets 0. 3 MPa should be on the water supply pipe installation manual valve to reduce thermal population of supply and return pipe differential pressure or differential pressure valve may only in a small open degree of long-term work under the noise, will greatly reduce the service life of the valve.
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