进口电动高性能蝶阀 德国洛克LCOKE电动高性能蝶阀

一、进口电动高性能蝶阀产品介绍：

德国《LOCKE》洛克--进口电动高性能蝶阀产品结构浮动式阀座设计，依据压力源之方向，自动调整座位置，达到蝶阀双面持压之效果，並增加了阀座使用寿命，使用寿命长。蝶阀阀轴经过防尘设计，防止了流体进入阀轴造成阀轴卡死之情況，高性能蝶阀依不同工況，可选用不同材质及性能，阀座采用了PTFE、RTFE、PEEK、METAL等材抽，适用于石化、炼油、空分、CDA等工况。

二、进口电动高性能蝶阀技术参数：

公称通径：DN50-DN1500(2"~60")

公称压力：1.0Mpa-4.0Mpa(150LB~300LB)

适用温度：-50℃~450℃ 适用介质：水、蒸汽、油品、腐蚀性介质

连接方式：对夹/法兰/凸耳

泄漏等级：无气泡密封零泄漏

阀体材质：碳钢、铸钢、不锈钢CF8/CF8M

阀座材质：PTFE/RPTFE/PPL/不锈钢/镍基合金

蝶板材质：不锈钢CF8/CF8M

阀杆材质：不锈钢17-4PH

填料材质：PTFE/柔性石墨

轴套材质：不锈钢/PTFE

三、进口电动高性能蝶阀工作原理：

进口电动高性能蝶阀具有防火结构，连接方式可采用对夹式或用于大管径及管路经终端的凸耳式单法兰。设计阀座外面是活动的嵌件，法兰夹的越紧、耐压力大密封性好，更换阀座方便简单，只需取下嵌件就可取出阀座，不必拆卸阀板和阀轴，采用带有球形密封表面的双偏心蝶板，配以单片挠性唇式密封座，适用于要求可靠密封和良好调节特性的场合，由于双偏心蝶板的设计，电动高性能蝶阀具有严密的密封性能，较长的使用寿命。可作快速切断或调节流量之用。

四、进口电动高性能蝶阀优势特点：

【进口电动执行器】

①功能强劲:智能型、调节型、开关式；

②体积小巧：体积仅相当于同类产品的35%左右；

③使用方便：采用单相电源，接线简单;采用独创的球型凸出结构，使观察更方便;免加油免点检、防水防锈、任意角度安装；

④保护装置有双重限位、过热保护、过载保护。全行程时间15秒、30秒、45秒、60秒。及带手动功能；

⑤智能数控：内置模块采用先进计算机单片及智能控制软件直接接收计算机或工业仪表等输出的标准信号(4-20mA DC /1-5VDC)实现阀门开度的智能控制和精确定位。

【进口高性能蝶阀】

①无须增加O圈和金属部件来辅助密封;

②唇缘式密封结构可补偿温度和压力对阀产生的变化;

③密封时几乎无摩擦，保证扭矩更小，密封性更好;

④使用单一的阀座设计，弹性好，可靠性高：唇缘式密封结构可补偿温度和压力的变化，使用寿命长，维修量小，双向达到无气泡密封;

⑤偏心轴和偏心蝶板设计：在开启和处于中间位置时阀座与蝶板不发生接触，阀座上下部位无磨损点，扭矩低，对操作机构要求小;

⑥断流和控制兼备：具有优良的控制特性，流量特性曲线等比变化，调节范围广，即使用于控制仍能紧密密封。

1、 Introduction of imported electric high performance butterfly valve

German "Locke" - imported electric high-performance butterfly valve product structure floating seat design, according to the direction of the pressure source, automatically adjust the seat position, to achieve the effect of double-sided pressure butterfly valve, and increase the service life of the seat, long service life. The valve shaft of butterfly valve is designed to prevent the fluid from entering the valve shaft and causing the valve shaft to jam. According to different working conditions, the high-performance butterfly valve can be made of different materials and properties. The valve seat is made of PTFE, rtfe, peek, metal and other materials, which is suitable for petrochemical, oil refining, air separation, CDA and other working conditions.

2、 Technical parameters of imported electric high performance butterfly valve:

Nominal diameter: dn50-dn 1500 (2 "~ 60")

Nominal pressure: 1.0mpa-4.0mpa (150Lb ~ 300lb)

Applicable temperature: - 50 ℃ ~ 450 ℃. Applicable medium: water, steam, oil, corrosive medium

Connection method: clamp / flange / lug

Leakage level: no bubble seal, zero leakage

Valve body material: carbon steel, cast steel, stainless steel CF8 / CF8M

Valve seat material: PTFE / rptfe / PPL / stainless steel / nickel base alloy

Butterfly plate material: stainless steel CF8 / CF8M

Stem material: stainless steel 17-4PH

Packing material: PTFE / flexible graphite

Material of shaft sleeve: stainless steel / PTFE

3、 Working principle of imported electric high performance butterfly valve:

The imported electric high-performance butterfly valve has a fire-proof structure, and can be connected by a pair of clip type or lug type single flange used for large pipe diameter and pipeline through the terminal. The valve seat is designed with movable inserts outside. The tighter the flange clamp is, the higher the pressure resistance is, and the better the sealing performance is. It is convenient and simple to replace the valve seat. The valve seat can be taken out just by removing the inserts. It is unnecessary to dismantle the valve plate and the valve shaft. The double eccentric butterfly plate with spherical sealing surface is adopted, and the single flexible lip type sealing seat is matched. It is suitable for the occasions requiring reliable sealing and good adjustment characteristics, Due to the design of double eccentric butterfly plate, the electric high-performance butterfly valve has tight sealing performance and long service life. It can be used to cut off or adjust the flow quickly.

4、 Advantages and characteristics of imported electric high performance butterfly valve:

[imported electric actuator]

① Powerful function: intelligent, adjustable, switch type;

② Small size: the volume is only about 35% of similar products;

③ Easy to use: single phase power supply, simple wiring; The original spherical protruding structure makes observation more convenient; Oil free, spot inspection free, waterproof and antirust, installation at any angle;

④ The protection device has double limit, overheat protection and overload protection. The total travel time is 15 seconds, 30 seconds, 45 seconds and 60 seconds. And with manual function;

⑤ Intelligent numerical control: the built-in module adopts advanced single chip computer and intelligent control software to directly receive the standard signal (4-20mA DC / 1-5vdc) from the computer or industrial instrument to realize the intelligent control and accurate positioning of valve opening.

[imported high performance butterfly valve]

① There is no need to add O-ring and metal parts to assist sealing;

② The lip seal structure can compensate the change of temperature and pressure on the valve;

③ There is almost no friction when sealing, so the torque is smaller and the sealing performance is better;

④ Single valve seat design, good elasticity, high reliability: lip seal structure can compensate for temperature and pressure changes, long service life, small maintenance, two-way bubble free seal;

⑤ Eccentric shaft and eccentric butterfly plate design: when the valve seat is opened or in the middle position, there is no contact between the valve seat and the butterfly plate, the upper and lower parts of the valve seat have no wear points, the torque is low, and the requirements for the operating mechanism are small;

⑥ Cut off and control both: with excellent control characteristics, flow characteristic curve proportional change, a wide range of adjustment, even for control can still be tightly sealed.

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