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进口气动角座阀

简要描述:RETZ品牌 进口气动角座阀是指利用执行器活塞来提供线性作用力推动阀芯离开阀座的一种气控阀门。角座阀尤其适用于高温且流量要求较大的流体环境下,如蒸汽或者水。角座阀中某些型号,如果反向安装,运行时会克服水锤作用 The inlet pneumatic angle seat valve refers to a pneumatic valve that uses the actuator piston to provide a linear force to push the valve core away from the valve seat. Angle seat valve is especially suitable for high temperature and fluid environment with large flow requirements, such as steam or water. Some models of angle seat valves, if installed in reverse, will overcome the effect of water hammer during operation

  • 品牌:RETZ(瑞茨)/美国
  • 工况条件:气开/气关
  • 温度/压力:P-T:25bar-180℃
  • 更新时间:2022/07/09
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进口气动角座阀 特性介绍 Introduction to characteristics of imported pneumatic angle seat valve

气动角座阀按照安装方式包括内螺纹连接款,外螺纹+ 卡套管焊接款,焊接款,法兰款,快装款,除此之外我司还可提供全锡青铜材质角座阀;

可以在任何方向安装∶横向,纵向,倾斜。

双动型和单动型产品能提供的口径规格从3 /8 英寸到4 英寸,可从阻塞锤上下两端关闭,而单动型阀门从阻塞锤下端开启。

Pneumatic angle seat valves include internal thread connection, external thread + ferrule welding, welding, flange and quick installation. In addition, our company can also provide angle seat valves made of all tin bronze;

It can be installed in any direction: transverse, longitudinal and inclined.

Double acting and single acting products can provide caliber specifications from 3 /8 inches to 4 inches, which can be closed from the upper and lower ends of the blocking hammer, and the single acting valve can be opened from the lower end of the blocking hammer.

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气动角座阀工作原理 working principle

单作用:由一个二位三通电磁阀控制。导向介质压力进入执行器,作用于活塞,使阀芯穿梭于阀腔中实现打开或关闭阀门。阀芯复位通常是借助于气动执行器中的弹回弹簧来完成。

Single acting: controlled by a two position three-way solenoid valve. The pressure of guiding medium enters the actuator and acts on the piston to make the valve core shuttle in the valve chamber to open or close the valve. The valve element reset is usually completed by means of the spring in the pneumatic actuator.

1.双向常闭(N.C.)Two way normally closed (N.C.)介质从阀芯下方流入,可避免水锤作用。介质在阀芯上方流入,将受到水锤挤压;

The medium flows under the valve core to avoid the action of water hammer. If the medium flows above the valve core, it will be squeezed by water hammer;

双向常闭.jpg

常闭型(N.C.)介质从阀芯上方流入,介质从阀芯上方流入会造成"水锤"效应Normally closed (N.C.) medium flows from above the valve core, which will cause "water hammer" effect

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常开型(N.O.)介质从阀芯下方流入Normally open (N.O.) medium flows from below the valve core

常开型.jpg

双作用:配置的阀门中,没有弹回弹簧,导向介质既用来打开阀门,也用来关闭阀门。

Double acting: there is no spring in the configured valve, and the guiding medium is used to open and close the valve.

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特点Characteristics of pneumatic flange angle seat valve

Y 型内腔设计,流量比普通阀门大30 %以上;超长使用寿命Y-shaped inner cavity design, the flow is more than 30% larger than that of ordinary valves; Long service life

阀杆采用V 型密封,保证阀门在长时间运转后仍能完好无损The valve rod adopts V-shaped seal to ensure that the valve is still intact after long-term operation

加长防锤形导向和防尘密封圈Extended spindle guide and wiper seal. 

阀座设置一定的角度,从而在阀门打开时提供尽可能大的流量。The valve seat is set at an angle to provide the greatest possible flow when the valve is opened

当阀门处于打开状态时,通过执行器顶端的视窗可以看到红色的位置指示杆。When the valve is open, the red position indicator can be seen through the window at the top of the actuator

自动调节双层填料密封盖Self-adjusting, double packing glands.

易安装Easy to install 

反应敏捷Fast Response 

水击作用极小Water hammer-free 

汽控接口可在360°上任意选定位置Motor control interface on the 360°Random designation position

无水击作用(流向阀座下)Water hammer-free (Flow below seat)

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适用介质范围

阀门的最小工作压力是根据阀门的型号和腔内流体压力的峰值差异确定的,由此也可确定对应阀门的型号。空气、水、酒精、油、石油燃料油、盐溶液、蒸汽等(所有适用于 AISI304、316不锈钢或青铜 RG5 的流体介质);按所选型号和运行参数,阀门的工作压力应位于 0~16/25Bar ,(蒸汽介质在 180℃C时,工作压力为0~10 Bar)

介质温度∶ -10℃ ~180℃

介质粘度∶≤600cst(mm²/s)

The minimum working pressure of the valve is determined according to the model of the valve and the peak difference of the fluid pressure in the cavity, so the model of the corresponding valve can also be determined. Air, water, alcohol, oil, petroleum fuel oil, salt solution, steam, etc. (all fluid media suitable for AISI304, 316 stainless steel or bronze Rg5); According to the selected model and operating parameters, the working pressure of the valve should be 0~16/25bar (when the steam medium is 180 ℃, the working pressure is 0~10 bar)

Medium temperature: -10 ℃ ~180 ℃

Maximum viscosity of medium: 600cst (mm ²/ s)

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气动角座阀执行机构∶

塑料活塞式气动头,铝合金活塞式气动头,不锈钢活塞式气动头

环境温度;max.60℃位置反馈

可选附件∶行程限位过程位置控制器

Pneumatic flange angle seat valve actuator:

Plastic piston pneumatic head aluminum alloy piston pneumatic head stainless steel piston pneumatic head

Ambient temperature; Max.60 ℃ position feedback

Optional accessories: stroke limit process position controller

控制功能

动作方式

流体流向

防水锤功能

适用

常闭

单作用

阀座上流向


适用于可压缩性介质,例如气体,水蒸汽等;以及压力较低的液体介质.



阀座下流向

防水锤

适用于防水锤管道,可承受一定压差.


双作用

阀座上流向


性能可靠,可承受较大压差;如遇紧急情况,阀门可自动关闭.



阀座下流向

防水锤

适用于要求高的防水锤管道,可承受较大压差.

常开


阀座上流向


适用于要求阀门长时间开启的管道,取下消音器即为双作用常开阀.



阀座下流向

防水锤

适用于要求阀门长时间开启的管道,防水锤,取下消音器即为双作用常开阀.

"水锤效应"是指在水管内部,管内壁光滑,水流动自如。当打开的阀门突然关闭,水流对阀门及管壁,主要是阀门会产生一个压力。由于管壁光滑,后续水流在惯性的作用下,迅速达到最大,并产生破坏作用,这就是水力学当中的"水锤效应"。也就是正水锤。在水力管道建设中都要考虑这一因素。相反,关闭的阀门在突然打开后,也会产生水锤.叫负水锤,也有一定的破坏力.但没有前者大。

"Water hammer effect" means that inside the water pipe, the inner wall of the pipe is smooth and the water flows freely. When the open valve suddenly closes, the water flow will produce a pressure on the valve and pipe wall, mainly the valve. Because the pipe wall is smooth, the subsequent water flow quickly reaches the maximum under the action of inertia, and has a destructive effect, which is the "water hammer effect" in hydraulics. That is, positive water hammer. This factor should be considered in the construction of hydraulic pipelines. On the contrary, water hammer will also occur when the closed valve is suddenly opened Called negative water hammer, it also has certain destructive power But not as big as the former.

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应用范围:

空气净化、化工、纺织、印染、食品加工、制药、环保、水处理,啤酒饮料灌装设备,发泡机械等行业

Application scope:

Air purification, chemical industry, textile, printing and dyeing, food processing, pharmaceutical, environmental protection, water treatment, beer and beverage filling equipment, foaming machinery and other industries


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