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Good Quality Ball Valve - Floating Ball Valve – Nortech
What’s floating ball valve? A Floating Ball Valve uses a rotating ball and a stem that provide on/off flow control. The floating ball valve utilize natural line pressure to press and seal the ball against the downstream seat. The line pressure is exposed to a greater surface area – the entire upstream face of the ball, which is an area equal to the actual pipe size. A floating ball valve is a valve with its ball floating (not fixed by a trunnion) inside the valve body, it drifts t... -
Chinese Professional Sdnr 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... -
100% Original Ptfe Sleeved Plug Valve - Soft Sealing Sleeve Plug Valve – Nortech
Product Detail: What is Soft Sealing Sleeve Plug Valve ? Soft Sealing Sleeve Plug Valve applicable to the cutting and connection of pipelines medium that are used in various industries such as petroleum,chemical industry, pharmacy, chemical fertilizer, power industry etc under nominal pressure of PN1.6-16MP ,and working temperatures of -20~180°C Soft Sealing Sleeve Plug Valve Technical Specifications 1)ANSI Series Nominal Size Range: NPS 1/2” ~ 14” Pressure Rating: Class 150LB ~ 900LB Connec... -
Factory wholesale Orbit 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... -
High reputation Double Eccentric Butterfly Valve Lug Type - 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... -
PriceList for Awwa Butterfly Valve Factory - 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,... -
Discount wholesale Fire Hose Gate Valve - API 600 Wedge Gate valve – Nortech
Product Detail: What is API 600 Wedge Gate valve ? The opening and closing parts of the API 600 Wedge Gate valve are the gate, the direction of motion of the gate is perpendicular to the fluid direction. The wedge gate valve can only be fully opened and fully closed and can not be adjusted and throttled. It 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 whe... -
Wholesale Price Ptfe Lined 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... -
2020 wholesale price Rubber Disc Swing Check 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.... -
Good Quality 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... -
Chinese wholesale Dual Plate Check Valve - ASME 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... -
Hot sale Globe Valve 800lbs - 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...
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