Connection mode of valve and corresponding technical requirements
Classification:
Release Time：2017-09-20
Valve connection is divided into a variety of ways, the entire valve and the pipeline or equipment is how to connect between the valve "run and leak" phenomenon will also occur because of it. 1. flange connection This is one of the most used in the valve connection form. According to the shape of the joint surface can also be divided into the following: 1, smooth type: for the pressure is not high valve, processing is more convenient. 2. Concave-convex type: high working pressure, medium-hard gasket can be used. 3, tongue and groove type: the gasket with large plastic deformation can be used widely in corrosive medium, and the sealing effect is better. 4. Trapezoidal groove type: oval metal ring is used as gasket for working pressure ≥ 64kg/
ValveThe connection is divided into a variety of ways, the entire valve and the pipeline or equipment is how to connect between the valve "run and leak" phenomenon will also occur because of it.
1. flange connection
This is one of the most used connection forms in the valve. According to the shape of the joint surface can also be divided into the following:
1, smooth type: for the pressure is not high valve, processing is more convenient.
2. Concave-convex type: high working pressure, medium-hard gasket can be used.
3, tongue and groove type: the gasket with large plastic deformation can be used widely in corrosive medium, and the sealing effect is better.
4. Trapezoidal groove type: oval metal ring is used as gasket for working pressure ≥64kg/square centimeter valve, or high temperature valve.
5. Lens type: The gasket is a lens shape and is made of metal. For working pressure ≥100kg/Square centimeter high pressure valve, or high temperature valve.
6、ORing type: This is a newer form of flange connection, it is with various rubberOThe emergence of the ring, and developed, it is more reliable than the general flat washer in the sealing effect.
2. Wafer Connection
3. butt welding connection
4. threaded connection
5. ferrule connection
The ferrule connection, its connection and sealing principle is that when the nut is tightened, the ferrule is under pressure, so that its blade bites into the outer wall of the pipe, and the outer tapered surface of the ferrule is tightly connected with the inner tapered surface of the joint under pressure, thus It can prevent leakage safely and reliably.
The advantages of this form of connection are:
1. Small size, light weight, simple structure, easy disassembly and assembly;
2, strong connection, wide range of use, can withstand high pressure, high temperature and shock vibration;
3, can choose a variety of materials, suitable for anti-corrosion;
4, the processing accuracy requirements are not high;
5. Easy to install at high altitude.
6. clamp connection
This is a quick connection method, it only needs two bolts, suitable for low-pressure valves that are often disassembled.
Self-tightening connection in 7.
The above various connection forms, are the use of external force to offset the medium pressure, to achieve sealing. The use of self-sealing principle made of valves, generally high-pressure valves. There are many other valve connections,Wuhan Xiete Valve Technology Co., Ltd.According to the specific design and manufacture of valve user equipment.
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Wuhan Xiete Valve Technology Co., Ltd.Focus on all kinds of valves,Filter,Gas drainer,Throttle orifice plateIt is a professional manufacturing enterprise integrating R & D, production, sales and after-sales, with 20 years of rich experience in the industry. It owns the Xiete valve brand, builds the best R & D professional team in the industry, and has a number of independently designed and developed patented products. Provide customers with the bestValve function customization solution, and has successfully provided professional design customization services for many enterprises and institutions. At the same time, Wuhan Xiete Valve Technology Co., Ltd. has obtained ISO9001 quality system certification and TS special equipment license. Our product types, complete styles, quality assurance, factory direct sales, economical, convenient and fast to provide customers with one-stop service!
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