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Z41不(bu)銹鋼(gang)放空導(dao)淋(lin)閥(fa)(fa)有二(er)種(zhong)(zhong)閥(fa)(fa)蓋(gai)(gai)設計形(xing)(xing)式(shi)(shi)(shi).*種(zhong)(zhong)是(shi)螺栓(shuan)(shuan)式(shi)(shi)(shi)閥(fa)(fa)蓋(gai)(gai),按這(zhe)種(zhong)(zhong)設計形(xing)(xing)式(shi)(shi)(shi)設計的閥(fa)(fa)門(men),其閥(fa)(fa)體(ti)與閥(fa)(fa)蓋(gai)(gai)用(yong)(yong)螺栓(shuan)(shuan)螺母(mu)連接(jie),纏繞式(shi)(shi)(shi)墊片(pian)（304夾柔(rou)性石墨制(zhi)造）密封(feng).客戶(hu)有特殊(shu)要求(qiu)時(shi)也可采(cai)(cai)用(yong)(yong)金(jin)屬(shu)環連接(jie).第二(er)種(zhong)(zhong)設計形(xing)(xing)式(shi)(shi)(shi)是(shi)焊接(jie)式(shi)(shi)(shi)閥(fa)(fa)蓋(gai)(gai),掃這(zhe)種(zhong)(zhong)設計形(xing)(xing)式(shi)(shi)(shi)設計的閥(fa)(fa)門(men),其閥(fa)(fa)體(ti)與閥(fa)(fa)蓋(gai)(gai)用(yong)(yong)螺紋連接(jie),全焊密封(feng).客戶(hu)有特殊(shu)要求(qiu)時(shi)也可采(cai)(cai)用(yong)(yong)透焊接(jie)連接(jie).