Pneumatic butterfly Industrial Valves is closed ( The disc or disc) , shaft rotation around the valve to open and close a valve, the pipeline mainly ACTS as cut and throttling. Pneumatic butterfly valve open-close part is a dish of butterfly plate, around its own axis rotation around the body, so as to achieve the aim of opening and closing or adjust. The opening and closing of the butterfly valve is less than 90 ° in general. Pneumatic butterfly valve and the adjustment lever itself has no self-locking ability, in order to locate the butterfly plate, add worm gear reducer on the valve stem. USES the worm gear reducer, can not only make the butterfly plate with self-locking ability, make the butterfly plate in any position to stop, but also can improve the performance of the valve. Industrial butterfly valve is characterized by high temperature resistant, suitable pressure range is high, the valve nominal diameter is big, the body USES the carbon steel, metal valve sealing ring. the circle instead of rubber ring. Large high temperature butterfly valve USES the steel plate welding manufacturing, mainly used for high temperature ZhongYan pipeline and gas pipeline. Pneumatic flange butterfly valve, pneumatic butterfly valve the product by the rubber sealing butterfly valve with flange and carbon steel or stainless steel valve, the valve stem. Apply to the temperature 80 ~ 120 ℃ or less such as food, chemical, petroleum, electric power, textile, paper and other water supply and drainage, for adjusting flux on the gas pipeline and the role of intercepting medium. Regulate the butterfly valve is a kind of pneumatic ( plate) Perpendicular to the channel of the fixed axis rotation around the valve, its role by the piston double or single action ( Spring return type) Pneumatic actuators and butterfly Industrial Valves, rotating type high performance adjustment or cut-off valve, with electricity, gas valve positioner or solenoid valve, air filtration pressure reducer, limit switch ( position to dispatch) , which can realize the process piping fluid proportion in regulation and two cut control, fluid flow, so as to achieve the parameters such as pressure, temperature, liquid level of automation control. Pneumatic flange butterfly valve, pneumatic butterfly valve the product by the rubber sealing butterfly valve with flange and carbon steel or stainless steel valve, the valve stem. Apply to the temperature 80 ~ 120 ℃ or less such as food, chemical, petroleum, electric power, textile, paper and other water supply and drainage, for adjusting flux on the gas pipeline and the role of intercepting medium. Regulate the butterfly valve is a kind of pneumatic ( plate) Perpendicular to the channel of the fixed axis rotation around the valve, the piston and double-acting pneumatic butterfly valve is used (or monoculture Spring return type) Pneumatic actuators and butterfly valve, rotating type high performance adjustment or cut-off valve, with electricity, gas valve positioner or solenoid valve, air filtration pressure reducer, limit switch ( position to dispatch) , which can realize the process piping fluid proportion in regulation and two cut control, fluid flow, so as to achieve the parameters such as pressure, temperature, liquid level of automation control. Pneumatic wafer butterfly, novel structure, body structure to meet the pipeline space is narrow and the wafer structure formed by a short distance, external zero leakage, internal leakage accord with national standard. Pneumatic line with rubber butterfly valve, flange connection, the clamp, the seal is lined with a nitrile butadiene rubber, ethylene-propylene rubber, heat-resistant ethylene propylene rubber, natural rubber, chloroprene rubber, fluorine rubber, ptfe, according to the chemical properties of medium have a more reasonable choice. Pneumatic fluorine-butterfly butterfly valve, anti-corrosion fluorine-butterfly butterfly valve USES the points and two pieces of the valve body, valve seat and valve body lined with integration, valve is working, only all plastic seat contact with lining plastic butterfly plate and dielectric, the product can withstand 'except molten alkali metals and fluorine element' of any medium corrosion, including D71F46 stem and disc ( Forging) As a whole, evenly coated on the surface of a layer of FEP. Body channel inner surface is smooth, fluid resistance small, CV value is high, the flow capacity is strong, torque is moderate, use level 4 seal structure and outside the sealing surface with heat-resistant anti-aging SI rubber elastic gasket seating, completely to achieve zero leakage of the medium. Pneumatic ventilation butterfly valve, the characteristic, the valve plate between the seat with a thin seam, the product is suitable for the environment in poor air circulation. Pneumatic telescopic butterfly valves are its main characteristics are as follows: novel design, reasonable, unique structure, light weight, convenient operation, opening and closing quickly; Telescopic butterfly valve for adjusting and intercepting effect, in addition to compensating pipe temperature difference of heat bilges cold shrink function, can provide convenient for installation of replacement and maintenance of the valve. Sealing parts can be adjusted to replace, reliable sealing performance, etc. Pneumatic telescopic butterfly valves are its main characteristics are as follows: novel design, reasonable, unique structure, light weight, convenient operation, opening and closing quickly; Telescopic butterfly valve for adjusting and intercepting effect, in addition to compensating pipe temperature difference of heat bilges cold shrink function, can provide convenient for installation of replacement and maintenance of the valve. Sealing parts can be adjusted to replace, reliable sealing performance, etc.
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