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                首頁 > 產品中心 > 海底閥/卸油閥/罐車配件 > RKG-6306C油罐車20寸人孔蓋
                • RKG-6306C油罐車20寸人孔蓋是安裝在油罐運輸車的上面,及用來加註油品,油汽回收檢查及維修油罐的內部入口,發生緊急情況時保護還是加上了一句油罐安全。正常情況下ㄨ人孔蓋呼吸閥關閉,但是向油廢物罵誰罐加註油品,釋放油品和外界溫度的變化時會引起油罐內部的壓力變化,如大氣壓力和真空壓力,人孔瘋子蓋的呼吸閥會自動在一定的大氣壓力和真空壓力下開啟使油箱◎壓力保持正常狀態寶寶我本善良,若發生緊急情況,如油車¤顛覆,呼吸閥會自動關閉。
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