盲(mang)(mang)(mang)板(ban)(ban)盲(mang)(mang)(mang)板(ban)(ban)主要是(shi)用(yong)(yong)(yong)于將生產介(jie)質完全隔離，防止由于切斷(duan)閥關(guan)閉(bi)不(bu)(bu)嚴，影響生產，甚至造(zao)成事故。盲(mang)(mang)(mang)板(ban)(ban)應設置在要求(qiu)隔離的(de)部(bu)(bu)位，如設備接管口(kou)處(chu)、切斷(duan)閥前后或兩個法蘭(lan)之間，常推薦使(shi)用(yong)(yong)(yong)8字盲(mang)(mang)(mang)板(ban)(ban)；為打(da)壓、吹掃等一次性使(shi)用(yong)(yong)(yong)的(de)部(bu)(bu)位亦可(ke)使(shi)用(yong)(yong)(yong)插板(ban)(ban)（圓形盲(mang)(mang)(mang)板(ban)(ban)）。的(de)正規名稱叫法蘭(lan)蓋，有(you)的(de)也叫做盲(mang)(mang)(mang)法蘭(lan)或者管堵。它是(shi)中(zhong)間不(bu)(bu)帶(dai)孔(kong)的(de)法蘭(lan)，用(yong)(yong)(yong)于封(feng)堵管道口(kou)。所起(qi)到的(de)功能和(he)封(feng)頭及(ji)管帽(mao)是(shi)一樣的(de)，只不(bu)(bu)過盲(mang)(mang)(mang)板(ban)(ban)密封(feng)是(shi)一種可(ke)拆(chai)卸的(de)密封(feng)裝(zhuang)置，而封(feng)頭的(de)密封(feng)是(shi)不(bu)(bu)準備再(zai)打(da)開的(de)。 密封(feng)面的(de)形式種類(lei)較(jiao)多(duo)，有(you)平面、凸面、凹凸面、榫槽面和(he)環連接面。材質有(you)碳(tan)鋼(gang)(gang)、不(bu)(bu)銹鋼(gang)(gang)、合(he)金鋼(gang)(gang)、銅、鋁、PVC及(ji)PPR等。

盲(mang)板(ban)(ban)(ban)(ban)(ban)從外(wai)觀上看，一(yi)般(ban)分為板(ban)(ban)(ban)(ban)(ban)式平(ping)板(ban)(ban)(ban)(ban)(ban)盲(mang)板(ban)(ban)(ban)(ban)(ban)、8 字(zi)盲(mang)板(ban)(ban)(ban)(ban)(ban)、插板(ban)(ban)(ban)(ban)(ban)、以及墊環（插板(ban)(ban)(ban)(ban)(ban)和墊環互為盲(mang)通）。盲(mang)板(ban)(ban)(ban)(ban)(ban)起隔離、切斷作(zuo)用(yong)(yong)，和封頭、管帽(mao)、焊接堵(du)頭所起的(de)(de)作(zuo)用(yong)(yong)是一(yi)樣的(de)(de)。由于(yu)其密封性(xing)能好，對于(yu)需(xu)要完全隔離的(de)(de)系統，一(yi)般(ban)都作(zuo)為可靠的(de)(de)隔離手段。板(ban)(ban)(ban)(ban)(ban)式平(ping)板(ban)(ban)(ban)(ban)(ban)盲(mang)板(ban)(ban)(ban)(ban)(ban)就(jiu)是一(yi)個帶柄的(de)(de)實心(xin)的(de)(de)圓(yuan)，用(yong)(yong)于(yu)通常狀(zhuang)況(kuang)下處(chu)于(yu)隔離狀(zhuang)態的(de)(de)系統。而(er)8字(zi)盲(mang)板(ban)(ban)(ban)(ban)(ban)，形狀(zhuang)像(xiang)8字(zi)，一(yi)端是盲(mang)板(ban)(ban)(ban)(ban)(ban)，另(ling)一(yi)端是節(jie)流(liu)環，但(dan)直徑(jing)與管道(dao)的(de)(de)管徑(jing)相同，并不起節(jie)流(liu)作(zuo)用(yong)(yong)。8字(zi)盲(mang)板(ban)(ban)(ban)(ban)(ban)，使用(yong)(yong)方(fang)便，需(xu)要隔離時，使用(yong)(yong)盲(mang)板(ban)(ban)(ban)(ban)(ban)端，需(xu)要正常操作(zuo)時，使用(yong)(yong)節(jie)流(liu)環端，同時也(ye)可用(yong)(yong)于(yu)填(tian)補管路上盲(mang)板(ban)(ban)(ban)(ban)(ban)的(de)(de)安裝間隙。另(ling)一(yi)個特點就(jiu)是標識明顯(xian)，易于(yu)辨認安裝狀(zhuang)態。文章來源于(yu)網絡

沈陽不銹鋼板