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2020 wholesale price Rubber Disc Swing Check Valve - Air cushioned cylinder 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... -
New Fashion Design for Plumbing Gate Valve - Parallel Slide Gate Valve – Nortech
What is the parallel slide gate valve? Parallel Slide Gate Valve is a special design of gate valve. It’s an alternative to the traditional flexible wedge type gate valves. The disc is in two halves, compressed spring Inconel X750 loaded, that seat on parallel seat rings. The disc “slides” in contact with the seats, hence the name. The discs are in permanent contact with the seat rings, getting a tight seal due to the horizontal inconel spring located in between and without the wedging sy... -
Factory wholesale Pneumatic Butterfly Valve Double Eccentric - 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... -
Excellent quality Pneumatic Butterfly Valve - Resilient seated Butterfly Valve lug type – Nortech
What is Resilient Seated Butterfly Valve Lug 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 a... -
Hot New Products Gate Valve For Water - Parallel Slide Gate Valve – Nortech
What is the parallel slide gate valve? Parallel Slide Gate Valve is a special design of gate valve. It’s an alternative to the traditional flexible wedge type gate valves. The disc is in two halves, compressed spring Inconel X750 loaded, that seat on parallel seat rings. The disc “slides” in contact with the seats, hence the name. The discs are in permanent contact with the seat rings, getting a tight seal due to the horizontal inconel spring located in between and without the wedging sy... -
Manufacturer of Pfa Lined Check Valve – Cast Iron Swing Check Valve – Nortech
What’s cast iron swing check valve? Cast Iron Swing Check Valve consists of a valve body,a bonnet,and a disc that is connected to a hinge. The disc 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.it 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 pressure drop within ... -
Renewable Design for Gate Valve Lock - Parallel Slide Gate Valve – Nortech
What is the parallel slide gate valve? Parallel Slide Gate Valve is a special design of gate valve. It’s an alternative to the traditional flexible wedge type gate valves. The disc is in two halves, compressed spring Inconel X750 loaded, that seat on parallel seat rings. The disc “slides” in contact with the seats, hence the name. The discs are in permanent contact with the seat rings, getting a tight seal due to the horizontal inconel spring located in between and without the wedging sy... -
High Quality Stop Valve - Bellow Seal Globe Valve – Nortech
Product Detail: What is Bellow Seal Globe Valve? Bellow Seal 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. Bellow Seal Globe Valve Technical Specifications Body :Cast Steel(1.0619) –Stainless Steel(1.4308;1.4408)- Alloy Steel 1.7335(WC6) Stem : X2... -
professional factory for Ball Valve Pressure - 3 Piece Floating Ball Valve – Nortech
What’s 3 piece floating ball valve? The 3 Piece Floating Ball Valve has two body joints which means the body is made out of of three pieces, giving rise to the name “three piece. This 3 piece body design allows a larger ball to be installed at the time of manufacture,making this a full bore ball valve (Full port). Nortech 3 Piece Floating ball valve is a new product manufactured by transformation the common valve and adoption of the up-to-date international standard. Main features 3 pi... -
Europe style for Actuated 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... -
Wholesale Wras Certified Butterfly Valve - Resilient seated Butterfly Valve lug type – Nortech
What is Resilient Seated Butterfly Valve Lug 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 a... -
Hot New Products Globe Check 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...
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