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700X pump control valve

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700X water pump control valve

First, 700X water pump control valve overview

700X water pump control valve is a check valve installed in the high-rise building and other water supply system water pump outlets to prevent the medium from flowing backward. When the water pump is about to stop supplying water. The valve is closed slowly by 90% first to prevent water hammer or water hammer caused by the sudden stop of the pump; when the pump is completely stopped, the valve is completely closed to prevent the pumped water from flowing back, effectively protecting the pump from the impact of backflow Inverted. This product is an indispensable protection device for the pump outlet. The valve is streamlined. Accurate opening and closing is achieved through the guidance and control of the solenoid valve. It is safe and reliable to use, effectively prevent water hammer and water hammer, has a long service life, and is easy to install and maintain.

Structure characteristics and uses of 700X water pump control valve

The 700X water pump control valve consists of a main valve, a solenoid pilot valve, a needle valve, a ball valve, a check valve, a travel switch, a micro-filter and a pressure gauge. When the pump needs to stop working, the main valve is closed 90% by the inlet pressure, and then the pump stops running. The remaining 10% is closed by return water. Prevents water hammer.
This product is controlled by a solenoid pilot valve and does not require other devices and energy. Save energy, easy maintenance and smooth pump stop. The solenoid valve can be AC 220V or DC 24V.
This series of valve products are widely used in high-rise buildings, living areas and other water supply pipe network systems and urban water supply projects.

Working principle of 700X water pump control valve

When the pump working valve supplies water downstream, the solenoid pilot valve is fully opened and the needle valve is adjusted to an appropriate opening degree. The upstream water enters the main valve control room through the needle valve and check valve, and flows out through the electromagnetic pilot valve. The pressure keeps the main valve at a proper opening degree and maintains normal water supply downstream. When the pump stops working, the solenoid pilot valve is closed first, the main valve control room stops draining, the pressure in the control room rises, and the main valve begins to close. When closed to 90%, the stroke switch on the top of the main valve outputs a pump stop signal, and the pump stops running. At this time, the downstream return water enters the main valve control room through the one-way valve, the pressure in the control room rises, and the main valve is closed.

Main technical parameters of 700X water pump control valve

Nominal pressure (Mpa) Shell test pressure (MPa) Sealing test pressure (MPa) Applicable medium Medium temperature (℃)
1.0 1.5 1.1 water 0-80
1.6 2.4 1.76
2.5 3.75 2.75

Five, 700X pump control valve material

Part Name Parts material
Body valve cover WCB
Valve seat Copper alloy
O-ring seal Nitrile rubber
Valve stem 2Cr13
spring 50CrVA
Needle valve Copper alloy
Ball valve Copper alloy
Float valve Copper alloy
Micro filter stainless steel

If you have any enquiry about quotation or cooperation, please feel free to email us at kvc@vip.163.com or use the following enquiry form. Our sales representative will contact you within 24 hours. Thank you for your interest in our products.

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