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China Gold Supplier for Pipeline Gate Valve - Large size 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... -
Free sample for Ball Valve For Natural Gas - 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... -
Leading Manufacturer for Gate Valve Fire Hydrant - 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... -
100% Original Factory Ball Valve Wafer - 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... -
OEM/ODM China Double Regulating Balancing Valve - Static Balancing Valve – Nortech
Product Detail: What is Static Balancing Valve ? Static Balancing Valve also known as balancing valves, manual balancing valves, digital lock balancing valves, double-position regulating valves, are used to solve the problem of branch pressure differential balance in pipeline design ball. Static Balancing Valve make it possible to introduce appropriate pressure drops so that each branch of the hydraulic circuit has the required design flow rate. They are equipped with suitable pressure ports... -
Low MOQ for Fuel Ball 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... -
factory low price Ball Valves Near Me - 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... -
Manufacturer for Electric Plug Valve - Lift plug valve – Nortech
What is Lift plug valve ? Non-lubricated metal seated LIFT PLUG VALVES were developed over 80 years ago to solve problems with existing valves in catalyst cracking service. As the valves preformed so well in this service it was also recommended for use in other hash applications in the chemical & petrochemical industry.As the valves preformed so well in this service it was also recommended for use in other hash applications in the chemical & petrochemical industry. To explain why... -
Good quality Asme B16.34 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 - 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... -
Massive Selection for Rising 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... -
Original Factory Gate Valve Pn40 - 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...
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