knowledge point 1: electric butterfly valve categories:

electric wafer butterfly: suitable for temperature & le; 80 ~ 120 ℃ of foodstuffs, chemical industry, petroleum, electric power, papermaking, water supply and drainage, for adjusting flux on the gas pipeline and intercepting media use.

electric soft sealing butterfly valve: suitable for lining, not only the seat can be lining, butterfly plate can also line, at present has reached to seal the whole lining technology, doing sanitary valve can achieve the result that no pollution medium, more is ordinary ball valve to plasticity.

hard seal butterfly valves: using carbide surfacing makes the sealing face high strength, good hardness and wear resistance, can reach more than 5000 times life.

electric flanged butterfly valve, using three-dimensional eccentric principle design, make the space of the sealing surface movement to achieve ideal, no friction, no interference with each other, combined with the sealing material choice is proper, can make the butterfly valve sealing, corrosion resistance, temperature resistance, abrasion resistance and so on to get reliable guarantee.

electric adjustment butterfly valves, electric adjustment butterfly valve driven by AC 220 v power supply, acceptance of 0 ~ 10 ma, or 4 ~ 20 ma standard signal, drive valve opening and the signal corresponding to the operation, and reach the goal of regulating media pressure, flow, temperature, simple structure, easy to operate. Especially suitable for ventilation system and the adjustment of medium containing suspended particles.

electric line with rubber butterfly valve, suitable for fresh water, sea water, salt, weak base, weak acid, natural gas, air, steam, oil, food and other medium.

electric ventilation butterfly valve, electric ventilation butterfly valve USES the same as the body material processed into sealing ring, generally applicable industry, metallurgy, environmental protection and ventilation to adjust medium flow in pipe.

electric telescopic butterfly: telescopic butterfly valve is mainly to adjust and intercepting effect, compensation pipeline temperature difference of heat bilges cold shrink function, can provide convenient for installation of replacement and maintenance of the valve.

principle of knowledge point 2, electric butterfly Industrial Valves, electric butterfly valve belongs to the electric valves and electric adjusting valves, is common in industry flow control and coarse adjustment is the product of class a minister electric butterfly valve consists of electric actuators work centre line stem connection disc rotates 90 degrees of movement of a valve. Generally divided into external regulation and switch type two kinds. Electric butterfly valve operation is simple, small flow resistance, the butterfly plate thickness is the only resistance when the medium flows through the body, at the same time, the valve has good flow control characteristics. Taiwan minister electric butterfly valve is suitable for large caliber situation, it is not only light weight, short, rapid opening and closing structure, convenient installation, especially soft sealing structure is more economical price, now electric butterfly valve is on the water industry can not be lack of products. Using superior material life can reach 50 million times.

common electric butterfly valve with electric soft sealing butterfly valve and two-way hard seal butterfly valves, electric machine electric soft sealing butterfly valve with clamp connection, nodular cast iron material, rubber sealing structure is the cheapest price control products, at the same time performance is also stable. The electric two-way valve factory production USES the triple eccentric metal hard seal butterfly valve sealing structure can achieve two-way medium flow, at the same time can achieve zero leakage, long service life.

knowledge point 3, electric butterfly valve actuator parameters:

action forms: switch, intelligent external regulation ( 4～20mA） ；

the environment temperature: - 29℃～+70℃；

power supply voltage, DC24, AC220V, AC380V;

protection grade: IP67, IP68;

explosion-proof level: d Ⅱ BT3 / T4;

signal feedback: active signals, S passive;

with heater, can be in damp environment dry actuator element ( Optional) 。

4, electric butterfly valve manufacturer

zhejiang valve co. , LTD is a professional electric butterfly valve manufacturer, affordable, timely delivery; Shigeru letter valves at home and abroad with the most advanced electric butterfly valve manufacturing equipment, with the most sophisticated r&d team, constantly explore the mystery of the electric butterfly valve, for the majority of users to develop the most economical and practical electric butterfly valve!

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