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  • Reasonable price Stainless Steel Floating Ball Valve - Double Block And Bleed Ball Valve – Nortech

    Reasonable price Stainless Steel Floating Ball Valve - Double Block And Bleed Ball Valve – Nortech

    Product Detail: What is Double Block And Bleed Ball Valve ? Double Block And Bleed Ball Valve is a combination of one or more block/isolation valves, usually ball valves, and one or more bleed/vent valves, usually ball or needle valves. The purpose of the block and bleed valve system is to isolate or block the flow of fluid in the system so the fluid from upstream does not reach other components of the system that are downstream. This enables the engineers to bleed off or vent or drain the re...
  • China Factory for Threaded Ball Valve - Top Entry Ball Valve – Nortech

    China Factory for Threaded Ball 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...
  • 2020 China New Design 1000psi Floating Ball Valve - Metal Seated Ball Valve – Nortech

    2020 China New Design 1000psi Floating 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...
  • Factory source Nrv Ball Valve - Rubber Seat Dual Plate Check Valve – Nortech

    Factory source Nrv Ball Valve - Rubber Seat Dual Plate Check Valve – Nortech

    What’s the rubber seat dual plate check valve? The 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.it 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 Hammer and Non Slam simultaneously....
  • 8 Year Exporter 2500lbs Gate Valve - DIN-EN Wedge Gate Valve – Nortech

    8 Year Exporter 2500lbs Gate Valve - 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...
  • Newly Arrival Ball Valves Uk - Double Block And Bleed Ball Valve – Nortech

    Newly Arrival Ball Valves Uk - Double Block And Bleed Ball Valve – Nortech

    Product Detail: What is Double Block And Bleed Ball Valve ? Double Block And Bleed Ball Valve is a combination of one or more block/isolation valves, usually ball valves, and one or more bleed/vent valves, usually ball or needle valves. The purpose of the block and bleed valve system is to isolate or block the flow of fluid in the system so the fluid from upstream does not reach other components of the system that are downstream. This enables the engineers to bleed off or vent or drain the re...
  • Manufacturer for Type U Butterfly Valve - Resilient Seated Butterfly Valve Wafer Type – Nortech

    Manufacturer for Type U Butterfly Valve - Resilient Seated Butterfly Valve Wafer Type – Nortech

    What is Resilient Seated Butterfly Valve Wafer Type? Resilient Seated Butterfly Valve,is also referred to as “concentric”,”rubber lined” and “rubber seated” butterfly valve,has a rubber (or resilient) seat between the external diameter of the disc and the internal wall of the valve. Butterfly valve is a quarter-turn valve that rotates 90 degrees to open or close the media flow. It has a circular disc, also known as the butterfly, found at the center of the body that functions...
  • Super Purchasing for Rotary Ball Valve - Fully Welded Ball Valve – Nortech

    Super Purchasing for Rotary 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...
  • Free sample for Straight Globe Valve - ASME Globe Valve – Nortech

    Free sample for Straight Globe Valve - ASME Globe Valve – Nortech

    Product Detail: What is ASME Globe Valve? ASME Globe Valve  is a mechanism used to control or stop the flow of liquid or gas through a pipe. The seat of a globe valve is in the middle of and parallel to the pipe, and the opening in the seat is closed off with a disk or plug. Globe valves can be structured to handle flow in either direction. ASME Globe Valve Technical Specifications 2″-12″,Class150-Class1500 BS1873/ASME B16.34 Face to face to ANSI B16.10 Body/bonnet/disc:Carbon Ste...
  • Excellent quality Globe Valve Welded Flange - Forged Steel Globe Valve – Nortech

    Excellent quality Globe Valve Welded Flange - Forged Steel Globe Valve – Nortech

    Product Detail: What is Forged Steel Globe Valve? Forged Steel Globe Valve  is the most widely used valve. It is so popular because the friction between the sealing surfaces during opening and closing is small, it is more durable, the opening height is not large, the manufacturing is easy, and the maintenance is convenient. Nortech  Forged Steel Globe Valve is available in two bonnet designs. The first design is the Bolted Bonnet, with male-female joint, spiral wound gasket, made in F316L/gra...
  • 100% Original Lift Check Valve 800lbs - Rubber Disc Swing Check Valve – Nortech

    100% Original Lift Check Valve 800lbs - Rubber Disc Swing Check Valve – Nortech

    Product Detail: What is Rubber Disc Swing Check Valve ? Rubber Disc 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 pr...
  • Factory wholesale Motorised Gate Valve - DIN-EN Wedge Gate Valve – Nortech

    Factory wholesale Motorised Gate Valve - 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...