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Big discounting Ball Valve Fittings - 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... -
New Delivery for Oil Tank Ball Valve - 3 Piece Floating Ball Valve – Nortech
Product Detail: What is 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. 3 Piec... -
China Supplier Sanitary 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... -
2020 wholesale price Manual Plug Valve - 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... -
Chinese Professional En1092 Flange - 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.... -
PriceList for Awwa Butterfly Valve Factory - 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... -
Hot New Products Resilient Seated Check Valve - 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... -
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... -
2020 Good Quality Semi-Lug 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... -
Best quality Lap Joint Flange - Rubber Expansion Joint Single Sphere – Nortech
Product Detail: What is Rubber Expansion Joint Single Sphere? Rubber Expansion Joint Single 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 Single Sphere Technical Specifications Type 1:Single sphere flanged expansion j... -
2020 High quality Flange Rubber 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.... -
2020 New Style Wenzhou Ball Valve Factory - 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...
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