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  • 型號 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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更新時間:2023-07-10 14:31:09瀏覽次數(shù):2368

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

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

日本smc氣動元件,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時一定要區(qū)分開來,因它與導孔參數(shù)有關,。 

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)時在電磁閥前安裝過濾器任選其它結(jié)構,。 

 

根據(jù)壓力等級選擇電磁閥的:原理結(jié)構類型 

1、當電磁閥需要長時間的啟動,,并且持續(xù)開啟的時間大大超過關閉的時間,,宜選用常開型。

2,、要是開和關頻繁切換或開啟的時間短或開,、關的時間差不多時,則選常閉型,。 

3,、但是有些用于安全保護的工況,如爐窯火焰監(jiān)測,、燃氣泄露報警,、消防安全聯(lián)動系統(tǒng),,則應該選擇緊急切斷電磁閥,而不宜選長期通電型(長期通電只是一個相對概念),,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,,它主要用于需要節(jié)約能源或低電壓驅(qū)動的場合,。 

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

五、根據(jù)工作時間長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(手動復位) 

1,、公稱壓力:這個參數(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:是指電磁閥處于關閉或開啟狀態(tài)時,,閥前端管路壓力減去閥后端管路壓力得到的數(shù)值;當無壓差,、低壓差,、真空時,必須選用直動式或分布直動式原理,;當具備一定壓差以上時各種原理結(jié)構形式均可選用,。 

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

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

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

3,、當需要對電磁閥進行現(xiàn)場人工操作時,可選擇我公司ZCA/B系列帶手動功能電磁閥,。 

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

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