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  • Factory Supply Api602 Check Valve - Rubber Seat Dual Plate Check Valve – Nortech

    Factory Supply Api602 Check Valve - Rubber Seat Dual Plate Check Valve – Nortech

    Product Detail: What is Rubber Seat Dual Plate Check Valve ? Rubber Seat Dual Plate Check Valve  is an all purpose non return valve that is much stronger, lighter in weight and smaller in size compared to a conventional swing check valve or life check valve. The Dual Plate Check Valve employs two spring-loaded plated hinged on a central hinge pin. When the flow decreases, the plates close by torsion spring action without requiring reverse flow.This design offers the twin advantages of No Wate...
  • High Quality Expansion Joint - Rubber Expansion Joint Twin Sphere – Nortech

    High Quality Expansion Joint - Rubber Expansion Joint Twin Sphere – Nortech

    Product Detail: What is Rubber Expansion Joint Twin Sphere? Rubber Expansion Joint Twin Sphere  is a flexible connector consisting of natural or synthetic elastomers, fabric and when necessary metallic reinforcements. They are designed to absorb the vibration on the pipeline and noises. Various rubber materials are choosed according to the fluid type and service condition. Rubber Expansion Joint Twin Sphere Technical Specifications Type 1:Single sphere flanged expansion joints....
  • Chinese wholesale Double Flange Butterfly Valve - Double Eccentric Butterfly Valve – Nortech

    Chinese wholesale Double Flange Butterfly Valve - Double Eccentric Butterfly Valve – Nortech

    Product Detail: What is Double Eccentric Butterfly Valve ? Double Eccentric Butterfly Valve is an innovative double offset design product with advanced world leading technology. This butterfly valve has a unique structure with ultra reliable sealing performance, wide working conditions and low operation torque. Double Eccentric Butterfly Valve Technical Specifications Design  API 609/ASME B16.34 End Connection  Wafer/Lug/Double flanged Operation  Manual/Pneumatic/Electric Size Range ...
  • Renewable Design for Ball Valve Lock - Trunnion Ball Valve – Nortech

    Renewable Design for Ball Valve Lock - 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...
  • Factory wholesale Pneumatic Butterfly Valve Double Eccentric - Wafer Butterfly Valve – Nortech

    Factory wholesale Pneumatic Butterfly Valve Double Eccentric - 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 wholesale Balancing Valve Manufacturers – Static Balancing Valve – Nortech

    Factory wholesale Balancing Valve Manufacturers – 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 pres...
  • Factory wholesale Plumbing Expansion Joint - Rubber Expansion Joint Twin Sphere – Nortech

    Factory wholesale Plumbing Expansion Joint - Rubber Expansion Joint Twin Sphere – Nortech

    Product Detail: What is Rubber Expansion Joint Twin Sphere? Rubber Expansion Joint Twin Sphere  is a flexible connector consisting of natural or synthetic elastomers, fabric and when necessary metallic reinforcements. They are designed to absorb the vibration on the pipeline and noises. Various rubber materials are choosed according to the fluid type and service condition. Rubber Expansion Joint Twin Sphere Technical Specifications Type 1:Single sphere flanged expansion joints....
  • Chinese wholesale Double Flange Butterfly Valve - Triple Eccentric Butterfly Valve – Nortech

    Chinese wholesale Double Flange Butterfly Valve - Triple Eccentric Butterfly Valve – Nortech

    Product Detail: What is Triple Eccentric Butterfly Valve ? Triple Eccentric Butterfly Valve is a premier valve well-suited for operation in light vacuum to high-pressure applications and ideally suited for applications requiring absolute zero leakage. Compared to gate, globe or ball valves of the same size and pressure class, Triple Eccentric Butterfly Valve provides space and weight savings while minimizing installation and maintenance costs. Triple Eccentric Butterfly Valve Technical Specif...
  • China Cheap price Swing Check Valve With Counterweight - Ball Check Valve – Nortech

    China Cheap price Swing Check Valve With Counterweight - Ball Check Valve – Nortech

    Product Detail: What is Ball Check Valve? Ball Check Valve functions by means of a ball that moves up and down inside the valve. The seat is machined to fit the ball, and the chamber is conically shaped to guide the ball into the seat to seal and stop a reverse flow. If the pump capacity is not sufficient it is possible to choose a lighter ball, and if water hammer occurs when the pump stops, it may be solved by selecting a heavier ball. Ball Check Valve Technical Specifications Our advantage...
  • 2020 China New Design Non-Return Valve - Rubber Seat Dual Plate Check Valve – Nortech

    2020 China New Design Non-Return Valve - Rubber Seat Dual Plate Check Valve – Nortech

    Product Detail: What is Rubber Seat Dual Plate Check Valve ? Rubber Seat Dual Plate Check Valve  is an all purpose non return valve that is much stronger, lighter in weight and smaller in size compared to a conventional swing check valve or life check valve. The Dual Plate Check Valve employs two spring-loaded plated hinged on a central hinge pin. When the flow decreases, the plates close by torsion spring action without requiring reverse flow.This design offers the twin advantages of No Wate...
  • High Quality Ball Check Valve - Lift Check Valve – Nortech

    High Quality Ball Check Valve - 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,...
  • Hot-selling Metal Seat Dual Plate Check Valve - Cast Iron Swing Check Valve – Nortech

    Hot-selling Metal Seat Dual Plate Check Valve - Cast Iron Swing Check Valve – Nortech

    Product Detail: What is Cast Iron Swing Check Valve ? Cast Iron Swing Check Valve 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 valve-seat when upstream flow is stopped, to prevent back flow. allows full, unobstructed flow and automatically closes as pressure decreases.These valves are fully closed when the flow reaches zero and prevent back flow. Turbulence and press...