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  • Factory Price For 3 Way Ball Valve - Fully Welded Ball Valve – Nortech

    Factory Price For 3 Way Ball Valve - Fully Welded Ball Valve – Nortech

    Product Detail: What is Static Balancing Valve ? Nortech Fully Welded Ball Valve is developed by the engineering technical personnel from the factory with more than 30 years experience in design and manufacture of high-pressure valve and international latest technical standard,it is mainly applied for the long distance pipeline transportation of petrol,natural gas and gas pipeline system in cities.Because of the special characteristics of underground type ball valve,the capability to endure p...
  • China Cheap price Wafer Butterfly Valve - U Type Butterfly Valve – Nortech

    China Cheap price Wafer Butterfly Valve - U Type Butterfly Valve – Nortech

    Product Detail: What is U Type Butterfly Valve ? U Type Butterfly Valve is a valve used for flow regulation in large pipe diameters in which the disc takes the form of disk. Operation is similar to that of a ball valve. A plate or disc is positioned in the center of the pipe. The disc has a rod passing through it that is connected to an actuator on the outside of the valve. Rotating the actuator turns the disc either parallel or perpendicular to the flow. They are open and close very quickly ...
  • Factory For 3pcs Ball Valve - Trunnion Ball Valve – Nortech

    Factory For 3pcs Ball Valve - Trunnion Ball Valve – Nortech

    Product Detail: What is Trunnion Ball Valve ? Trunnion Ball Valve  is used to cut off or connect the media in various of Class150~Class2500. The valves made of different materials are suitable for various media such as water, steam, oil, liquefied gas, natural gas, coal gas, nitric acid, oxidizer, urea and etc. The driving modes include manual operation and electric operation. The connection ends can be flange or butt welding. Trunnion Ball Valve Technical Specifications Nom...
  • 2020 High quality Check Valve With Pneumatic Actuator - Lift Check Valve – Nortech

    2020 High quality Check Valve With Pneumatic Actuator - Lift Check Valve – Nortech

    Product Detail: What is Lift Check Valve ? Lift Check Valve is designed to prevent the reversal of flow in a piping system. These valves are activated by the flowing material in the pipeline.The pressure of the fluid passing through the system opens the valve, while any reversal of flow will close the valve. Closure is accomplished by the weight of the check mechanism, by back pressure, by a spring, or by a combination of these means. The general types of check valves are swing, tilting-disk,...
  • Professional China Api609 Butterfly Valve - Double Flange Butterfly Valve – Nortech

    Professional China Api609 Butterfly Valve - Double Flange Butterfly Valve – Nortech

    Product Detail: Double Flange Butterfly Valve is a valve used for flow regulation in large pipe diameters in which the disc takes the form of disk. Operation is similar to that of a ball valve. A plate or disc is positioned in the center of the pipe. The disc has a rod passing through it that is connected to an actuator on the outside of the valve. Rotating the actuator turns the disc either parallel or perpendicular to the flow. They are open and close very quickly when actuated pneumaticall...
  • 2020 High quality Full Wafer Butterfly Valve - Wafer Butterfly Valve – Nortech

    2020 High quality Full Wafer Butterfly Valve - Wafer Butterfly Valve – Nortech

    Product Detail: What is Wafer Butterfly Valve? Wafter Butterfly valve is a valve used for flow regulation in large pipe diameters in which the disc takes the form of disk. Operation is similar to that of a ball valve. A plate or disc is positioned in the center of the pipe. The disc has a rod passing through it that is connected to an actuator on the outside of the valve. Rotating the actuator turns the disc either parallel or perpendicular to the flow. Unlike a ball valve, the disc is always...
  • Factory Price For Automatic Gate Valve - Bellow Seal Gate Valve – Nortech

    Factory Price For Automatic Gate Valve - Bellow Seal Gate Valve – Nortech

    Product Detail: What is Bellow Seal Gate Valve? Bellow Seal Gate Valve is operated as an obstruction between fluids and the air. At the same time, the valve can prevent fluids leaking to the air and guarantee zero leakage of pipelines. The bottom of bellows is welded to the valve stem of the bellow seal globe valve to avoid process fluids eroding the valve stem. Bellow Seal Gate Valve Technical Specifications NORTECH advantages of Bellow Seal Gate Valve What is the Static Balancing Valve used...
  • Good quality Lubricated Plug Valves Manufacturers - Lifting plug valve – Nortech

    Good quality Lubricated Plug Valves Manufacturers - Lifting plug valve – Nortech

    Product Detail: What is Lifting plug valve ? Lifting plug valve  applicable to the cutting and connection of pipelines medium that are used in various industries such as petroleum, chemical industry,pharmacy,chemical ferllizer,power industry etc under nominal pressure of CLASS150-1500LBS,and working temperatures of -29~550°C Lifting plug valve Specifications PRINCIPLE OF OPENING AND CLOSING OF THE VALVE Process of opening and closing of the valve. when opening the valve,first o...
  • Wholesale Ss316 Stainless Steel Flange - Spiral Wounded Gasket – Nortech

    Wholesale Ss316 Stainless Steel Flange - Spiral Wounded Gasket – Nortech

    Product Detail: What is Spiral Wounded Gasket? Spiral Wounded Gasket consists of v-shape or w-shape metal strip and within non-metallic filler spiraling and welding. According to the various of flanges , it can be within or without inner and outer rings. It can meeting the most exacting conditions of both temperature and pressure and against virtually known corrosive and toxic media. Spiral wound gaskets has been widely applied in the field of heat exchange, exhaust, Nuclear, HDLE, ...
  • 100% Original Factory Ball Valve Wafer - Top Entry Ball Valve – Nortech

    100% Original Factory Ball Valve Wafer - Top Entry Ball Valve – Nortech

    Product Detail: What is Top Entry Ball Valve ? Top Entry Ball Valve is designed according to API 6D. The one piece body design ensures that it has enough strength and rigidity under the maximum rated working pressure. And the top entry structure has the online maintenance advantage. Top Entry Ball Valve Technical Specifications Design & Manufacture standards API 608,API6D Face to Face Dimension ASME B16.10,API6D Thread Connection Dimension RF/BW/RTJ Pressure-Temperat...
  • High Quality for Manual Butterfly Valve Double Eccentric – PTFE lined butterfly valve – Nortech

    High Quality for Manual Butterfly Valve Double Eccentric – PTFE lined butterfly valve – Nortech

    Product Detail: What is PTFE lined butterfly valve ? PTFE lined butterfly valve is a valve used for flow regulation in large pipe diameters in which the disc takes the form of disk. Operation is similar to that of a ball valve. A plate or disc is positioned in the center of the pipe. The disc has a rod passing through it that is connected to an actuator on the outside of the valve. Rotating the actuator turns the disc either parallel or perpendicular to the flow. Unlike a ball valve, the disc...
  • Wholesale Discount Gate Valve Resilient - API 600 Wedge Gate valve – Nortech

    Wholesale Discount Gate Valve Resilient - API 600 Wedge Gate valve – Nortech

    Product Detail: What is API 600 Wedge Gate valve ? The opening and closing parts of the API 600 Wedge Gate valve  are the gate, 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. It consists of a valve body, a bonnet, and a disk that is connected to a hinge. The disk swings away from the valve-seat to allow flow in the forward direction, and returns to valv...