More than 20 years of OEM and ODM service experience.

Flanged Ball Check Valve

"Quality very first, Honesty as base, Sincere assistance and mutual profit" is our idea, in an effort to create consistently and pursue the excellence for Flanged Ball Check Valve, Largest Gate Valve , Oil Gate Valve , T type plug valve , In addition, we would properly guide the customers about the application techniques to adopt our products and the way to select appropriate materials. We believe that long expression partnership is often a result of top of the range, value added service, prosperous encounter and personal contact for Flanged Ball Check Valve, Our products are widely sold to Europe, USA, Russia, UK, France, Australia, Middle East, South America, Africa, and Southeast Asia, etc. Our products are highly recognized by our customers from all around the world. And our company is committed to continually improving effectiveness of our management system to maximize customer satisfaction. We sincerely hope to make progress with our customers and create a win-win future together. Welcome to join us for business!


  • 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 definition Metal Seated Non-Return Valve - Cast Iron Swing Check Valve – Nortech

    High definition Metal Seated Non-Return 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...
  • Good Quality Check Valve - Metal Seat Dual Plate Check Valve – Nortech

    Good Quality Check Valve - Metal Seat Dual Plate Check Valve – Nortech

    Product Detail: What is Metal Seat Dual Plate Check Valve ? Metal 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 Water ...
  • Chinese Professional Double Door Wafer Check Valve - Forged Steel Check Valve – Nortech

    Chinese Professional Double Door Wafer 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:...
  • 2020 wholesale price Rubber Disc Swing Check Valve - Ball Check Valve – Nortech

    2020 wholesale price Rubber Disc Swing Check Valve - 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...
  • Fast delivery Swing Check Valve 1500lbs - Cast Iron Swing Check Valve – Nortech

    Fast delivery Swing Check Valve 1500lbs - 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...
  • Factory Cheap Hot Duo Check Valve - Forged Steel Check Valve – Nortech

    Factory Cheap Hot Duo 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:...
  • New Arrival China Clamp Check Valve - Ball Check Valve – Nortech

    New Arrival China Clamp Check Valve - 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...
  • China wholesale Float Ball Check Valve - Metal Seat Dual Plate Check Valve – Nortech

    China wholesale Float Ball Check Valve - Metal Seat Dual Plate Check Valve – Nortech

    Product Detail: What is Metal Seat Dual Plate Check Valve ? Metal 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 Water ...
  • 100% Original Lift Check Valve 800lbs - Lift Check Valve – Nortech

    100% Original Lift Check Valve 800lbs - 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,...
  • China Cheap price Swing Check Valve With Counterweight - Lift Check Valve – Nortech

    China Cheap price Swing Check Valve With Counterweight - 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,...
  • High reputation Swing Check Valve 2500lbs - Swing Check Valve – Nortech

    High reputation Swing Check Valve 2500lbs - 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...