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  • 型號(hào) KQGL08-01S
  • 品牌 SMC/日本
  • 廠商性質(zhì) 經(jīng)銷商
  • 所在地 澎湖縣

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更新時(shí)間:2023-07-10 14:31:09瀏覽次數(shù):2005

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4?5通氣控閥,smc氣動(dòng)傳感器,smc濾芯,KQGL08-00,廠家供貨,薄利多銷,以誠(chéng)信經(jīng)營(yíng)
主閥采用間隙密封方式。

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4?5通氣控閥,smc氣動(dòng)傳感器,smc濾芯,KQGL08-00,廠家供貨,薄利多銷,以誠(chéng)信經(jīng)營(yíng)

日本smc氣動(dòng)元件,日本原裝4?5通氣控閥VSA

一,、根據(jù)管道參數(shù)選擇電磁閥的:通徑規(guī)格(DN),、接口方式(連接方式) 

1,、按照現(xiàn)場(chǎng)管道內(nèi)徑尺寸或流量要求來確定通徑(DN)尺寸,。 

2、接口方式,,一般DN65要選擇法蘭接口,,DN65則可根據(jù)用戶需要自由選擇螺紋式或者法蘭式

 

二、根據(jù)介質(zhì)種類選擇電磁閥的:閥體材質(zhì),、密封材料,、溫度組 

1、腐蝕性流體:閥體材質(zhì)宜選用不銹鋼或PTFE(聚四氟乙烯,,俗稱塑料王),,并選配氟橡膠或PTFE密封材料。 

2,、食用或超凈流體:閥體材質(zhì)宜選用衛(wèi)生級(jí)不銹鋼,,并選配硅橡膠密封材料。 

3,、高溫流體:要選擇采用耐高溫的電工材料和密封材料制造的電磁閥,而且要選擇活塞型原理結(jié)構(gòu)的,。 

4,、流體狀態(tài):大至有氣態(tài),液態(tài)或混合狀態(tài),,特別是口徑大于25時(shí)一定要區(qū)分開來,,因它與導(dǎo)孔參數(shù)有關(guān),。 

5、流體粘度:通常在50cSt以下可任意選擇,,若超過此值,,則需選用高粘度電磁閥。 

6,、流體清潔度:介質(zhì)含有雜質(zhì)時(shí)在電磁閥前安裝過濾器任選其它結(jié)構(gòu),。 

 

根據(jù)壓力等級(jí)選擇電磁閥的:原理結(jié)構(gòu)類型 

1、當(dāng)電磁閥需要長(zhǎng)時(shí)間的啟動(dòng),,并且持續(xù)開啟的時(shí)間大大超過關(guān)閉的時(shí)間,,宜選用常開型。

2,、要是開和關(guān)頻繁切換或開啟的時(shí)間短或開,、關(guān)的時(shí)間差不多時(shí),則選常閉型,。 

3,、但是有些用于安全保護(hù)的工況,如爐窯火焰監(jiān)測(cè),、燃?xì)庑孤秷?bào)警,、消防安全聯(lián)動(dòng)系統(tǒng),則應(yīng)該選擇緊急切斷電磁閥,,而不宜選長(zhǎng)期通電型(長(zhǎng)期通電只是一個(gè)相對(duì)概念),,更不能選常開式。 

4,、自保持式電磁閥(也稱:雙穩(wěn)態(tài))是一種新型技術(shù),,它主要用于需要節(jié)約能源或低電壓驅(qū)動(dòng)的場(chǎng)合。 

四,、電源電壓選擇:盡量?jī)?yōu)先選擇常用的AC220V,,DC24V較為方便。 

五,、根據(jù)工作時(shí)間長(zhǎng)短或特殊需要來選擇控制方式:常閉式,、常開式、自保持,、緊急切斷式(手動(dòng)復(fù)位) 

1,、公稱壓力:這個(gè)參數(shù)與其它通用閥門的含義是一樣的,是根據(jù)管道公稱壓力或使用壓力的1.5倍來定,。 

2,、工作壓差:是指電磁閥處于關(guān)閉或開啟狀態(tài)時(shí),閥前端管路壓力減去閥后端管路壓力得到的數(shù)值;當(dāng)無壓差,、低壓差,、真空時(shí),必須選用直動(dòng)式或分布直動(dòng)式原理,;當(dāng)具備一定壓差以上時(shí)各種原理結(jié)構(gòu)形式均可選用,。 

六、根據(jù)環(huán)境要求選擇輔助功能:防爆,、止回,、手動(dòng)、防水霧,、水淋,、潛水 

1、易燃,、易爆環(huán)境:必須選用相應(yīng)等級(jí)的防爆電磁閥(我公司現(xiàn)有:EXDCT5) 

2,、當(dāng)管道介質(zhì)有倒流現(xiàn)象時(shí),可選擇我公司ZC系列帶止回功能電磁閥,。 

3,、當(dāng)需要對(duì)電磁閥進(jìn)行現(xiàn)場(chǎng)人工操作時(shí),可選擇我公司ZCA/B系列帶手動(dòng)功能電磁閥,。 

4,、露天安裝或粉塵多場(chǎng)合應(yīng)選用防水,防塵品種(防護(hù)等級(jí)在IP45以上),。用于噴泉或水下管路則必須采用潛水電磁閥(防護(hù)等級(jí)在IP68以上),。

4?5通氣控閥,smc氣動(dòng)傳感器,smc濾芯,KQGL08-00,廠家供貨,薄利多銷,以誠(chéng)信經(jīng)營(yíng)

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