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  • High Quality for Ball Type Check Valve - Cast Steel Lift Check Valve – Nortech

    High Quality for Ball Type Check Valve - Cast Steel Lift Check Valve – Nortech

    What’s cast steel lift check valve? Cast Steel Lift Check Valve is designed to prevent the reversal of flow in a piping system.it’s commonly used in piping systems in which globe valves are being used as a flow control valve. They have similar seating arrangements as globe valves.Lift check valves are suitable for installation in horizontal or vertical lines with upward flow. They are recommended for use with steam, air, gas, water, and on vapor lines with high flow velocitie...
  • Online Exporter Motorize Valve - Top Entry Ball Valve – Nortech

    Online Exporter Motorize Valve - Top Entry Ball Valve – Nortech

    What’s the top entry ball valve? When it comes to the body style, ball valves can often be divided into side entry ball valve, top entry ball valve and fully welded ball valve. Top entry ball valves are valves that assembled its ball from top side part. It just like a globe valve that has body and bonnet except the trim part utilize a ball type. It comprises one single body. Top entry ball valves are used in piping systems where the top of the valve can be removed to gain access to...
  • Rapid Delivery for Pipe Ball Valve - Metal Seated Ball Valve – Nortech

    Rapid Delivery for Pipe Ball Valve - Metal Seated Ball Valve – Nortech

    Product Detail: What is Metal Seated Ball Valve ? Metal to metal seat ball valve owns not only various advantages of common industrial ball valves,but also particular and outstanding characteristics in heat-durability,especially when soft seal could not be used,such as in pipeline delivery of medium with high friction dust,slurry,and solid foreign matters mixture. The seat is of stainless copper body with stellite alloy pile-up welding.The ball is of stainless copper body,with three surface t...
  • PriceList for Flanged Ball Check Valve - Forged Steel Check Valve – Nortech

    PriceList for Flanged Ball Check Valve - Forged Steel Check Valve – Nortech

    Product Detail: What is Forged Steel Check Valve ? Forged Steel Check Valve  is available in two bonnet designs. The first design is the Bolted Bonnet, with male-female joint, spiral wound gasket, made in F316L/graphite. Ring joint gasket are also available on request. The second design is the welded bonnet, with a threaded and seal welded joint. On request a full penetration strength welded joint is available. Forged Steel Check Valve Technical Specifications Product Show: What is the Forged...
  • New Arrival China Clamp Check Valve - ASME Swing Check Valve – Nortech

    New Arrival China Clamp Check Valve - ASME Swing Check Valve – Nortech

    Product Detail: What is Swing Check Valve ? Swing Check Valve  is mounted with a disc that swings on a hinge or shaft. The disc swings off the seat to allow forward flow and when the flow is stopped, the disc swings back onto the seat to block reverse flow. The weight of the disc and the return flow has an impact on the shut-off characteristics of the valve. Swing check valves with lever and weight or lever and spring. Swing Check Valve Technical Specifications Our advantages of Swing Check V...
  • Manufacturer for Electric Plug Valve - 3 way plug valve – Nortech

    Manufacturer for Electric Plug Valve - 3 way plug valve – Nortech

    What’s the 3 way plug valve ? 3 way plug valve  is a kind of valve with closing parts or plunger shape, which is opened or closed by rotating 90 degrees so that the port on the valve plug is the same or separate from the port on the valve body. 3-way,4-way plug valve is applicable to change the media flowing direction or to distribute the media, that are used in various industries such as petroleum,chemical industry, pharmacy, chemical fertilizer, power industry etc under nominal pressu...
  • 2020 China New Design Large Gate Valve Metal Seated - DIN-EN Wedge Gate Valve – Nortech

    2020 China New Design Large Gate Valve Metal Seated - DIN-EN Wedge Gate Valve – Nortech

    What is DIN-EN Wedge Gate Valve ? as normal wedge gate valves,the opening and closing parts of the DIN-EN Wedge Gate valve  are the gate,in shape of a wedge,that’s the reason that they are named as wedge gate valve. The wedge gate valve can only be fully opened and fully closed and can not be adjusted and throttled.The gate valve was designed to be used either fully open or fully closed, because due to the shape of its obturators which have the shape of a wedge, if it were operated part...
  • New Arrival China Cold Water Balancing Valve - Static Balancing Valve – Nortech

    New Arrival China Cold Water Balancing Valve - Static Balancing Valve – Nortech

    Product Detail: What is Static Balancing Valve ? Static Balancing Valve  also known as balancing valves, manual balancing valves, digital lock balancing valves, double-position regulating valves, are used to solve the problem of branch pressure differential balance in pipeline design ball. Static Balancing Valve make it possible to introduce appropriate pressure drops so that each branch of the hydraulic circuit has the required design flow rate. They are equipped with suitable pressure ports...
  • 2020 China New Design Large Gate Valve Metal Seated - Resilient Seated gate valve – Nortech

    2020 China New Design Large Gate Valve Metal Seated - Resilient Seated gate valve – Nortech

    Product Detail: What is Resilient Seated Cast Iron gate valve ? Resilient Seated Cast Iron gate valve  has a plain valve bottom allowing free passage for sand and pebbles in the valve. If impurities pass as the valve closes, the rubber surface will close around the impurities while the valve is closed. A high-quality rubber compound is soft enough to absorb impurities, yet strong enough to wash the impurities through when the valve is opened again. This means that the rubber surface will rega...
  • Special Design for Fire Main Gate Valve - Forged Steel Gate Valve – Nortech

    Special Design for Fire Main Gate Valve - Forged Steel Gate Valve – Nortech

    What’s the API602 forged steel gate valve? API602 Forged Steel Gate Valve is a special design of small sizes gate valves. it has all the characteristics of gate valves.as normal,the opening and closing parts are the gate,in shape of a wedge,that’s the reason that they are named as wedge gate valve.the direction of motion of the gate is perpendicular to the fluid direction. The wedge gate valve can only be fully opened and fully closed and can not be adjusted and throttled.The...
  • Super Purchasing for Rotary Ball Valve - Trunnion mounted Ball Valve – Nortech

    Super Purchasing for Rotary Ball Valve - Trunnion mounted Ball Valve – Nortech

    What’s Trunnion mounted ball valves? The ball valve is a form of quarter-turn valve which uses a hollow, perforated and fixed/supported ball to control flow through it. A trunnion mounted ball valve means that the ball is constrained by bearings and is only allowed to rotate, the majority of the hydraulic load is supported by the System constraints, resulting in low bearing pressure and no shaft fatigue. Advantages of trunnion ball design is the lower operating torque, ease of operation...
  • Professional China Api609 Butterfly Valve - Triple Eccentric Butterfly Valve – Nortech

    Professional China Api609 Butterfly Valve - Triple Eccentric Butterfly Valve – Nortech

    what’s triple eccentric butterfly valve? 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 close. Concentric rubber lined butterfly valve,with mature design and manufacturing technology,are reliable in quality and friendly in cost.But for severe applications such as high temperatures or at high opening and clo...