700 x water pump control valve is a kind of installed in high-rise buildings, and other water supply system water pump outlet, non-return valves prevent the backflow medium. When the pump is stopped before the water, the valve first slow curtain shut down about 90%, to prevent the pump to a sudden stop and the water hammer and water hammer: when the pump stop completely, the valve fully closed again, to prevent pump out the water back, effectively protect the pump, from the impact of the reflux and produce inversion. This product is an essential part of the pump export protection device. streamlined design, through the electromagnetic valve control to achieve the accurate opening and closing, the use of safe and reliable, effectively preventing the water hammer and water hammer, long service life, installation, maintenance is convenient. 700 x water pump control valve working principle of the valve to the downstream water supply when the pump work, electromagnetic pilot valve fully open, the opening of the needle valve adjusted to the appropriate water enters the main valve by the needle valve, check valve upstream control room, the electromagnetic pilot valve, the main valve control room of the pressure to keep the open Angle of the main valve are in the right, maintain the normal water downstream. When the pump stop working, electromagnetic pilot valve shut off, the main valve control room to stop the drainage, control room pressure increases, the main valve began to close. When close to 90%, the main valve upside trip switch signal output stop pump, water pump stop running. At this point the downstream backwater is entered into the main valve check valve control room, control room pressure, the main valve is closed. 700 x water pump control Industrial Valves samples figure

700 x water pump control valve brand recommended valve co. , LTD. , the production of 700 x water pump control valve structure strong, stable performance, small footprint, easy installation, wide applicability, can easily replace in the field of all kinds of original gate valve, globe valve and other types of cutting off and regulating valve products, welcome to call or QQ consultation!
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