Vacuum negative- pressure safety valve
A72W-10P, A72W-10R
Hoʻohana ʻia ʻo A72W i ka ʻōnaehana puʻe ʻino me ka temperature≤200 ℃. Ke ʻoi aku ka maikaʻi ʻole o ka pahu i ka waiwai i ʻae ʻia, e wehe koke ʻia ka valve a hoʻopaʻa i ka ea. Ke hiki i ke kaomi maikaʻi ʻole i loko o ka pahu i ka waiwai i ʻae ʻia, e pani koke ka valve i mea e pale ai i nā mea hana a me ka ʻōnaehana. E hoʻokomo ʻia i loko o nā ʻōnaehana puʻupuʻu maʻamau ʻole. Ke wehe ʻole ka pahu hoʻokuʻu o ka ipu a me ka ʻōnaehana, kahi e hoʻopuka ai i ke kaomi maikaʻi ʻole, e wehe koke ʻia kēia valve.