Eccentric Butterfly Valve
Products Description
The eccentric butterfly valve, is a common butterfly valve, compared to the traditional central rotary butterfly valve, its shaft is not in the center of the sealing surface, thus avoiding friction and wear on the sealing surface when closing, making it have a longer service life and better wear resistance. Eccentric butterfly valves have simple structure, good sealing performance and fast switching speed, so they are widely used in water treatment, chemical, petroleum, food and other industries to control the flow of fluids or gases. Depending on the requirements, different types of actuators can be installed, such as manual, pneumatic, electric or hydraulic actuators, etc., to achieve automatic control. The eccentric butterfly valve is very easy to use and maintain, and is very suitable for low pressure, medium temperature, and clean media occasions.
Features:
1. Double eccentric structure: the axis and the sealing surface are offset to avoid the wear of the sealing surface and improve the service life;
2. Special sealing structure: triple seal structure, bearing structure or glandular structure are used to ensure the tightness of the valve;
3. Lightweight structure: eccentric butterfly valve has simple structure, high reliability, light and easy to install and operate;
4. Fast switching: The eccentric butterfly valve opens and closes quickly and responds quickly.
5. Flexible installation: According to the requirements of the site and the use environment, it can be installed in four ways: electric, pneumatic, hydraulic and manual;
6. Corrosion-resistant: The valve body, sealing surface and other parts are made of corrosion-resistant materials, which are suitable for flow control of toxic, harmful, flammable and explosive media;
7. Wide application: It can be widely used in petroleum, chemical industry, medicine, food, metallurgy, mining, heating, air conditioning, water treatment and other fields for flow control and regulation of liquids and gases.
Technical Parameters:
1. Connection: flange connection, clip connection, threaded connection, etc.
2. Standard: GB, ANSI, JIS, DIN and BS, etc.
3. Pressure level: 0.6MPa~6.4MPa;
4. Temperature range: -29°C~450°C;
5. Body material: cast iron, carbon steel, stainless steel, alloy steel, etc.
6. Applicable medium: water, oil, gas, steam, acid, alkali, salt, etc.
Product Design Features
The eccentric butterfly valve is a fluid control valve with the following design features and advantages:
1. Eccentric structure: The valve is designed with an eccentric structure, so that when the valve is opened, the disc is completely separated from the fluid pipeline, thus minimizing the fluid resistance.
2. Excellent tightness: The seat of the eccentric butterfly valve is made of elastic material, which has good sealing and can effectively prevent fluid leakage.
3. High stability: The valve stem of the valve adopts the design of "top stop and bottom open", which makes the stability of the valve higher and avoids problems such as eccentric wear and air leakage.
4. Easy maintenance: The disc and seat of the eccentric butterfly valve are replaceable, which is convenient for users to replace and reduce maintenance time and maintenance costs.
5. Wide range of application: Eccentric butterfly valve is suitable for a variety of fluid media, such as water, gas, oil, etc., and is suitable for fluid control under high temperature and high pressure.
In short, the eccentric butterfly valve has the advantages of good throttling, excellent sealing performance, high stability and convenient maintenance, and is a very excellent control valve.
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