4・5通气控阀,smc气动传感器,smc滤芯,KQGL08-00,厂家供货,薄利多销,以诚信经营
4・5通气控阀,smc气动传感器,smc滤芯,KQGL08-00,厂家供货,薄利多销,以诚信经营
4・5通气控阀,smc气动传感器,smc滤芯,KQGL08-00,厂家供货,薄利多销,以诚信经营
4・5通气控阀,smc气动传感器,smc滤芯,KQGL08-00,厂家供货,薄利多销,以诚信经营
4・5通气控阀,smc气动传感器,smc滤芯,KQGL08-00,厂家供货,薄利多销,以诚信经营

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2023-07-10 14:31:09
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苏州禾力自动化科技有限公司

苏州禾力自动化科技有限公司

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4・5通气控阀,smc气动传感器,smc滤芯,KQGL08-00,厂家供货,薄利多销,以诚信经营
主阀采用间隙密封方式。

详细介绍

4?5通气控阀,smc气动传感器,smc滤芯,KQGL08-00,厂家供货,薄利多销,以诚信经营

日本smc气动元件,日本原装4?5通气控阀VSA

一、根据管道参数选择电磁阀的:通径规格(DN)、接口方式(连接方式) 

1、按照现场管道内径尺寸或流量要求来确定通径(DN)尺寸。 

2、接口方式,一般DN65要选择法兰接口,DN65则可根据用户需要自由选择螺纹式或者法兰式

 

二、根据介质种类选择电磁阀的:阀体材质、密封材料、温度组 

1、腐蚀性流体:阀体材质宜选用不锈钢或PTFE(聚四氟乙烯,俗称塑料王),并选配氟橡胶或PTFE密封材料。 

2、食用或超净流体:阀体材质宜选用卫生级不锈钢,并选配硅橡胶密封材料。 

3、高温流体:要选择采用耐高温的电工材料和密封材料制造的电磁阀,而且要选择活塞型原理结构的。 

4、流体状态:大至有气态,液态或混合状态,特别是口径大于25时一定要区分开来,因它与导孔参数有关。 

5、流体粘度:通常在50cSt以下可任意选择,若超过此值,则需选用高粘度电磁阀。 

6、流体清洁度:介质含有杂质时在电磁阀前安装过滤器任选其它结构。 

 

根据压力等级选择电磁阀的:原理结构类型 

1、当电磁阀需要长时间的启动,并且持续开启的时间大大超过关闭的时间,宜选用常开型。

2、要是开和关频繁切换或开启的时间短或开、关的时间差不多时,则选常闭型。 

3、但是有些用于安全保护的工况,如炉窑火焰监测、燃气泄露报警、消防安全联动系统,则应该选择紧急切断电磁阀,而不宜选长期通电型(长期通电只是一个相对概念),更不能选常开式。 

4、自保持式电磁阀(也称:双稳态)是一种新型技术,它主要用于需要节约能源或低电压驱动的场合。 

四、电源电压选择:尽量优先选择常用的AC220VDC24V较为方便。 

五、根据工作时间长短或特殊需要来选择控制方式:常闭式、常开式、自保持、紧急切断式(手动复位) 

1、公称压力:这个参数与其它通用阀门的含义是一样的,是根据管道公称压力或使用压力的1.5倍来定。 

2、工作压差:是指电磁阀处于关闭或开启状态时,阀前端管路压力减去阀后端管路压力得到的数值;当无压差、低压差、真空时,必须选用直动式或分布直动式原理;当具备一定压差以上时各种原理结构形式均可选用。 

六、根据环境要求选择辅助功能:防爆、止回、手动、防水雾、水淋、潜水 

1、易燃、易爆环境:必须选用相应等级的防爆电磁阀(我公司现有:EXDCT5) 

2、当管道介质有倒流现象时,可选择我公司ZC系列带止回功能电磁阀。 

3、当需要对电磁阀进行现场人工操作时,可选择我公司ZCA/B系列带手动功能电磁阀。 

4、露天安装或粉尘多场合应选用防水,防尘品种(防护等级在IP45以上)。用于喷泉或水下管路则必须采用潜水电磁阀(防护等级在IP68以上)。

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