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Special Design for Air Ball Valve - Fully Welded Ball Valve API6D CLASS 150~2500 – Nortech
What’s full welded ball valve? Nortech Full 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 pipeline stres... -
Bottom price Double Eccentric Butterfly Valve - Double Flange Butterfly Valve – Nortech
What’s Double flange butterfly valves Double Flange Butterfly Valve is type of resilient seated butterfly valves,with integral flanges cast on both ends. same as all the other butterfly valves,it’s 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 as the closing mechanism of the valve. The disc is connected to an actuator or handle through the shaft,... -
Hot-selling Motorized 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... -
Low price for Free Stem 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... -
Bottom price Double Eccentric 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... -
Factory Outlets Irrigation 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... -
2020 China New Design Large Gate Valve Metal Seated - 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... -
Top Suppliers Industrial Globe Valves - 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... -
Low price for Free Stem Butterfly Valve - PTFE lined butterfly valve – Nortech
Product Detail: What is PTFE lined butterfly valve ? PTFE lined 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... -
100% Original Lift Check Valve 800lbs - 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 ... -
Best quality Dn1200 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... -
PriceList for Api602 Globe Valve - 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...
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