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  • What is a Knife Gate Valve?

    A knife gate valve is also called a slurry valve or a mud pump valve. The moving direction of its disc is perpendicular to the fluid direction, and the medium is stopped by the disc (knife) which can cut through fiber materials. In fact, there is no cavity in the valve body. And the disc moves u...
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  • What is Butterfly Check Valve?

    Butterfly check valve refers to a valve that automatically opens and closes the valve flap depending on the flow of the medium itself and is used to prevent the medium from flowing back. It is also called non-return valve, one-way valve, backflow valve, and back pressure valve.   Design feature ...
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  • How to prolong the service life of knife gate valve?

    The service life of knife gate valve is a problem that people are more concerned about. What methods can we use to prolong its service life in the process of production and use? Let’s get to know each other. In order to ensure the use of knife gate valve, Houmin, the material selection of ...
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  • Basic performance and installation of knife gate valve

    Knife gate valve has the advantages of simple and compact structure, reasonable design, light material saving, reliable sealing, light and flexible operation, small volume, smooth channel, small flow resistance, light weight, easy installation and disassembly, and can work normally under the wor...
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  • What are the driving modes of knife gate valves?

    Knife gate valve entered China in the 1980s. In less than 20 years, its application scope has expanded from ordinary fields to a broader range of industries, from coal preparation, gangue discharge and slag discharge of mine power plants to urban sewage treatment, from general industrial pipelin...
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  • Dual plate check valve Shipment

    Dual plate check valve  The production of Dual plate check valve is finished today , Waiting for shipment .     Nortech is one of the leading industrial valve manufacturers in China with quality certification ISO9001. Major products: Butterfly Valve, Ball Valve,Gate Valve, Check Valv...
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  • Triple Eccentric Butterfly Valve Ready for shipment

    Triple Eccentric Butterfly Valves are ready for shipment  to Europe ! . Triple eccentric butterfly valve,also known as triple offset butterfly valve,is one kind of high performance butterfly valves,designed for working conditions of high pressure,high temperature,and high frequencies of open and ...
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  • What are the reasons for the damage of the valve sealing surface?

    What are the reasons for the damage of the valve sealing surface The valve sealing pair is in a relatively static state without relative movement, which is called static seal. The surface of the seal is called static sealing surface. The reasons for the damage of the static sealing surface are s...
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  • Function and classification of check valve (2)

      2. lift check valve For the check valve whose disc slides along the vertical center line of the valve body, the lift check valve can only be installed on the horizontal pipeline, and the disc on the high-pressure small-diameter check valve can adopt a ball. The body shape of the lift check v...
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  • Function and classification of check valve (1)

      Check valve definition Check valve refers to the valve that automatically opens and closes the valve disc depending on the flow of the medium itself to prevent the backflow of the medium, also known as check valve, one-way valve, reverse flow valve, and back pressure valve. Check valve action...
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  • Classification characteristics of hydraulic control valves

    Hydraulic control valve is a water pressure controlled valve, which consists of a main valve and its attached conduit, pilot valve, needle valve, ball valve and pressure gauge. According to different purposes, functions and places of use, it can be developed into remote control float valve, pres...
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  • Butterfly Valve ,check valves and gate valves ready for shipment

    2*40GP Butterfly valve, check valves and gate valves are ready for shipment to Europe  !   Our advantages : 1. With Directive 97/23/EC 2. WRAS Certified for drinking water(UK and Commonwealth countries) 3. ACS Certified for drinking water(France) 4. More than 15 years of OEM services for este...
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