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  • High Quality Ball Valve Factory China - Top Entry Ball Valve – Nortech

    High Quality Ball Valve Factory China - 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...
  • Wholesale Price High Temperature Globe Valve - DIN-EN Globe Valve – Nortech

    Wholesale Price High Temperature Globe Valve - DIN-EN Globe Valve – Nortech

    What’s the DIN-EN globe valve? DIN-EN Globe valve is designed and manufactured according to former Germany standard,DIN and nowadays European standard EN13709.it’s mainly used in the countries in European Union. it’s linear motion closing-down valve used to start, stop or regulate the flow using a closure member referred as a disc. The seat opening changes proportionately with the travel of the disc which is ideal for duties involving flow regulation. the DIN-EN Globe valves...
  • Quality Inspection for Reduced Bore Valve - Fully Welded Ball Valve – Nortech

    Quality Inspection for Reduced Bore 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...
  • Rapid Delivery for Pipe Ball Valve - Trunnion mounted Ball Valve – Nortech

    Rapid Delivery for Pipe Ball Valve - Trunnion mounted Ball Valve – Nortech

    What’s Trunnion mounted ball valves? The ball valve is a form of quarter-turn valve which uses a hollow, perforated and fixed/supported ball to control flow through it. A trunnion mounted ball valve means that the ball is constrained by bearings and is only allowed to rotate, the majority of the hydraulic load is supported by the System constraints, resulting in low bearing pressure and no shaft fatigue. Advantages of trunnion ball design is the lower operating torque, ease of operation...
  • 2020 wholesale price Lug Butterfly Valve - Double Eccentric Butterfly Valve – Nortech

    2020 wholesale price Lug Butterfly Valve - Double Eccentric Butterfly Valve – Nortech

    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. the principal caracteristics of the double eccentric butterfly valves is the double eccentric,also called double offset disc design. it allows the disc to move off the seat reducing running torq...
  • Low price for Free Stem Butterfly Valve - Double Eccentric Butterfly Valve rubber seated – Nortech

    Low price for Free Stem Butterfly Valve - Double Eccentric Butterfly Valve rubber seated – Nortech

    What’s the double eccentric butterfly valves? 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. The double eccentric  butterfly valve`s sealing ring is made of elastomer fit in disc, it availabe be used in unidirectional sealing application, Commonly used in the water or municipal water...
  • OEM/ODM China Soft Seat Butterfly Valve - Resilient Seated Butterfly Valve Wafer Type – Nortech

    OEM/ODM China Soft Seat 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...
  • Top Suppliers Bellow Seal Gate Valve - Bellows Seal Gate Valve – Nortech

    Top Suppliers Bellow Seal Gate Valve - Bellows Seal Gate Valve – Nortech

    What’s the bellows seal gate valve? Bellows Seal Gate Valve was invented to meet strict requirements of tightness and severe working conditions. except for the conventional packing assembly as all the gate valve,the bellows seal gate valve also has a bellow packing device. it’s completely different approach to packing is a device called a bellows seal,an accordion-like metal tube fastened to the valve stem and to the bonnet,forming a leak-proof seal with negligible friction a...
  • Manufacturer for Type U Butterfly Valve - Double Eccentric Butterfly Valve rubber seated – Nortech

    Manufacturer for Type U Butterfly Valve - Double Eccentric Butterfly Valve rubber seated – Nortech

    What’s the double eccentric butterfly valves? 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. The double eccentric  butterfly valve`s sealing ring is made of elastomer fit in disc, it availabe be used in unidirectional sealing application, Commonly used in the water or municipal water...
  • Super Lowest Price Electric Butterfly Valve Double Eccentric - U Type Butterfly Valve – Nortech

    Super Lowest Price Electric Butterfly Valve Double Eccentric - U Type Butterfly Valve – Nortech

    What’s U type butterfly valve? U type Butterfly Valve,first of all,it’s a type of 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...
  • New Arrival China Rubber Lined Butterfly Valve - U Type Butterfly Valve – Nortech

    New Arrival China Rubber Lined Butterfly Valve - U Type Butterfly Valve – Nortech

    What’s U type butterfly valve? U type Butterfly Valve,first of all,it’s a type of 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...
  • 18 Years Factory Penstock Gate Valve - Metal Seated Cast Iron Gate Valve – Nortech

    18 Years Factory Penstock Gate Valve - Metal Seated Cast Iron Gate Valve – Nortech

    Product Detail: What is Metal Seat Cast Iron Gate Valve ? Metal Seat Cast Iron Gate Valve is an open/close a gate, direction and perpendicular to the direction of flow of the gate valve can only be fully open and close, unwell door parameter varies, usually for 5 °, medium temperature is not high for 2 ° 52 ‘.To improve its technology, to make up for the sealing surface Angle deviation in the processing process, this kind of ram is called elastic ram. Metal Seat Cast Iron Gate Valve Tec...
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