容(rong)(rong)(rong)器(qi)的(de)(de)檢驗(yan)周(zhou)期，一般為每六(liu)年(nian)至少(shao)(shao)進行一次。對盛裝空氣(qi)和(he)惰性(xing)氣(qi)體的(de)(de)制(zhi)造合格容(rong)(rong)(rong)器(qi)，在取(qu)得使用(yong)經驗(yan)和(he)一兩(liang)次內外(wai)檢驗(yan)確認無腐(fu)蝕后，檢驗(yan)周(zhou)期可適(shi)當延長。壓力(li)容(rong)(rong)(rong)器(qi)的(de)(de)選材應(ying)考慮材料(liao)的(de)(de)力(li)學(xue)性(xing)能(neng)、化學(xue)性(xing)能(neng)、物理性(xing)能(neng)和(he)工藝性(xing)能(neng)。壓力(li)容(rong)(rong)(rong)器(qi)的(de)(de)設計總圖(tu)上，至少(shao)(shao)應(ying)當注明(ming)哪(na)些內容(rong)(rong)(rong)？壓力(li)容(rong)(rong)(rong)器(qi)按工藝過程中的(de)(de)作(zuo)用(yong)不同(tong)分(fen)為:①反(fan)應(ying)容(rong)(rong)(rong)器(qi):用(yong)于完成介質的(de)(de)物理、化學(xue)反(fan)應(ying)的(de)(de)容(rong)(rong)(rong)器(qi)。②換熱容(rong)(rong)(rong)器(qi):用(yong)于完成介質的(de)(de)熱量交換的(de)(de)容(rong)(rong)(rong)器(qi)。

 分離(li)容(rong)器(qi)(qi)(qi):用(yong)(yong)于完成介(jie)質(zhi)的(de)(de)質(zhi)量交換、氣(qi)(qi)(qi)體(ti)(ti)(ti)凈(jing)化、固、液、氣(qi)(qi)(qi)分離(li)的(de)(de)容(rong)器(qi)(qi)(qi)。貯運容(rong)器(qi)(qi)(qi):用(yong)(yong)于盛(sheng)裝(zhuang)液體(ti)(ti)(ti)或(huo)氣(qi)(qi)(qi)體(ti)(ti)(ti)物料(liao)、貯運介(jie)質(zhi)或(huo)對(dui)壓(ya)力起平(ping)衡緩沖作用(yong)(yong)的(de)(de)容(rong)器(qi)(qi)(qi)。內部(bu)或(huo)外部(bu)承受氣(qi)(qi)(qi)體(ti)(ti)(ti)或(huo)液體(ti)(ti)(ti)壓(ya)力，并對(dui)安(an)全(quan)性有較高要(yao)求(qiu)的(de)(de)密封(feng)容(rong)器(qi)(qi)(qi)。早期主(zhu)要(yao)用(yong)(yong)于化學工業(ye)，壓(ya)力多(duo)在(zai)10兆帕以下。容(rong)器(qi)(qi)(qi)的(de)(de)檢(jian)驗(yan)周期，一(yi)(yi)般(ban)為每六年至(zhi)少進行一(yi)(yi)次。對(dui)盛(sheng)裝(zhuang)空氣(qi)(qi)(qi)和(he)惰性氣(qi)(qi)(qi)體(ti)(ti)(ti)的(de)(de)制造合格(ge)容(rong)器(qi)(qi)(qi)，在(zai)取得使用(yong)(yong)經驗(yan)和(he)一(yi)(yi)兩次內外檢(jian)驗(yan)確(que)認無(wu)腐蝕后，檢(jian)驗(yan)周期可適當延長。

 設備法(fa)蘭是容(rong)器(qi)(qi)與介質輸送管(guan)(guan)道(dao)或(huo)儀表、安(an)全附件管(guan)(guan)道(dao)等(deng)進(jin)行連接(jie)的(de)附件。又稱壓(ya)力(li)(li)容(rong)器(qi)(qi)法(fa)蘭，壓(ya)力(li)(li)容(rong)器(qi)(qi)價格(ge)，用(yong)(yong)于連接(jie)殼體與殼體、殼體與平(ping)蓋、殼體與管(guan)(guan)板。一般來(lai)說， 不(bu)銹鋼(gang)的(de)耐腐蝕(shi)性較出(chu)色但在含有氯(lv)離(li)子(zi)的(de)環(huan)境(jing)下，其(qi)耐腐蝕(shi)性卻不(bu)如(ru)低合(he)金(jin)鋼(gang)和碳素鋼(gang)。材料代用(yong)(yong)時進(jin)行細致、周全的(de)考慮，否則壓(ya)力(li)(li)容(rong)器(qi)(qi)實際(ji)使(shi)用(yong)(yong)中(zhong)(zhong)可能會出(chu)現各種(zhong)安(an)全隱患。壓(ya)力(li)(li)容(rong)器(qi)(qi)按在生產工藝(yi)過程中(zhong)(zhong)的(de)作用(yong)(yong)原理，分(fen)為反應(ying)壓(ya)力(li)(li)容(rong)器(qi)(qi)、換(huan)熱壓(ya)力(li)(li)容(rong)器(qi)(qi)、分(fen)離(li)壓(ya)力(li)(li)容(rong)器(qi)(qi)、儲存(cun)壓(ya)力(li)(li)容(rong)器(qi)(qi)。