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蘇州禾力自動化科技有限公司
聯系人:陳先生
手機:13788988771
電話:86-0512-50333374
傳真:86-0512-50333374-808
地址:江蘇省蘇州市昆山市綠地大道1555號中科創新廣場
郵編:201803
郵箱:497608423@qq.com
聯系人:陳先生
手機:13788988771
電話:86-0512-50333374
傳真:86-0512-50333374-808
地址:江蘇省蘇州市昆山市綠地大道1555號中科創新廣場
郵編:201803
郵箱:497608423@qq.com
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真空節流破壞閥,smc板材,smc氣動原件,KQZD10-03S一級經銷商,*,歡迎選購
- 型 號:KQZD10-03S-X2
- 更新時間:2025-06-30
真空節流破壞閥,smc板材,smc氣動原件,KQZD10-03S一級經銷商,*,歡迎選購內置有2個滑閥。能夠用1個閥來控制真空吸著和破壞。閥寬10mm(與SJ3000系列相同)。帶有能夠調節空氣流量的節流閥。真空側與破壞側內置多種可交換的過濾器。可以與4通電磁閥SJ2000/SJ3000混合使用。
真空節流破壞閥,smc板材,smc氣動原件,KQZD10-03S一級經銷商,*,歡迎選購

真空破壞閥(Vacuum Breaker Valve)是一種安全閥。主要用于容器或管道中,在管道或容器因系統運行或停止而產生負壓或真空逐步升高時,該閥能自動開啟,破壞真空效應,使管道及其它設備不至產生癟、凹裂等現象,以保護設備的安全。
發展歷史
*代氣壓式
原始的氣壓式真空破壞閥由于需要專門的氣源和直流設備,已逐步淘汰。
第二代電動式
第二代的電動式真空破壞閥同水泵同通電,斷電。一旦出現非事故的停電,此閥就能自動馬上打開,破壞虹吸,截斷水流,防止水流倒灌會產生主機的葉輪飛揚的事件。
此閥門關閉動力源是采用100%節能電磁鐵,工作電源是采用220V,50Hz,其維護工作電壓只要300毫安。能長時間工作,電磁鐵的溫升只要10K。開閥動力采用蓄能彈簧,能在2~5秒之間打開。還設有手動開閥、關閥的裝置。人工操作方便、安全系數大。
但由于此閥耗電且一旦其電路發生故障即*失效,所以也沒有*得到市場的認可。
第三代機械式
第三代真空破壞閥為機械式結構。在系統形成真空時由大氣壓力直接頂開擋板往系統加氣,迅速破壞真空,防止負壓危害。0.2bar的密封壓力保證了在系統正壓時*不滲漏。由于不需要耗電,使用壽命長,破真空及時而得到市場的*歡迎。
真空節流破壞閥,smc板材,smc氣動原件,KQZD10-03S一級經銷商,*,歡迎選購
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