玻璃板液位計
用(yong)途 本液位計(ji)適(shi)用(yong)于化(hua)工、石油等工業設(she)備(bei)容器(qi)上(shang)(shang)做液位顯示(shi)。產品(pin)結(jie)構 儀表(biao)(biao)的(de)上(shang)(shang)下閥(fa)(fa)上(shang)(shang)裝(zhuang)有(you)(you)法蘭接(jie)(jie)頭，與(yu)容器(qi)連接(jie)(jie)構成(cheng)聯通器(qi)，透過玻(bo)璃(li)板(ban)(ban)直接(jie)(jie)指示(shi)容器(qi)內(nei)的(de)液位，“夾(jia)(jia)(jia)(jia)套型(xing)(xing)(xing)(xing)"設(she)有(you)(you)加熱(re)(re)或冷(leng)卻裝(zhuang)置(zhi)。該(gai)裝(zhuang)置(zhi)加熱(re)(re)時(shi)可(ke)用(yong)蒸汽，冷(leng)卻時(shi)可(ke)用(yong)循環水，這樣(yang)可(ke)以(yi)調(diao)節流動(dong)(dong)性能，夾(jia)(jia)(jia)(jia)套接(jie)(jie)管(guan)(guan)尺(chi)寸(cun)為G1/4內(nei)螺(luo)紋(wen)。 在(zai)上(shang)(shang)下閥(fa)(fa)內(nei)裝(zhuang)有(you)(you)鋼球(qiu)，當玻(bo)璃(li)板(ban)(ban)因(yin)意外事故破壞(huai)時(shi)，鋼球(qiu)在(zai)容器(qi)內(nei)壓力(li)的(de)作用(yong)下自動(dong)(dong)密(mi)封，防止容器(qi)內(nei)的(de)介質(zhi)繼(ji)續外流。 在(zai)儀表(biao)(biao)上(shang)(shang)端針型(xing)(xing)(xing)(xing)閥(fa)(fa)上(shang)(shang)裝(zhuang)有(you)(you)限(xian)塞螺(luo)釘(ding)，可(ke)供放氣(qi)之用(yong)，下端針型(xing)(xing)(xing)(xing)閥(fa)(fa)上(shang)(shang)也裝(zhuang)有(you)(you)限(xian)塞螺(luo)釘(ding)，可(ke)供放空(kong)、取樣(yang)、排污、清洗。主(zhu)要技術數據1、工作壓力(li):見表(biao)(biao)12、工作溫(wen)(wen)度:見表(biao)(biao)13、針型(xing)(xing)(xing)(xing)閥(fa)(fa)的(de)自動(dong)(dong)開閉壓力(li):≥0.2MPa4、夾(jia)(jia)(jia)(jia)套蒸汽壓力(li)為:≤0.6MPa5、玻(bo)璃(li)板(ban)(ban)的(de)急變(bian)溫(wen)(wen)差(cha)為:≤240℃6、儀表(biao)(biao)的(de)規格(ge)是按安裝(zhuang)中心距L制定的(de)。（詳見表(biao)(biao)1）（注：我司(si)承(cheng)接(jie)(jie)特(te)(te)殊(shu)規格(ge)的(de)定貨）7、zui高工作壓力(li):12MPa產品(pin)類(lei)型(xing)(xing)(xing)(xing) 名(ming)稱型(xing)(xing)(xing)(xing)號公稱壓力(li)MPa介質(zhi)溫(wen)(wen)度℃結(jie)構特(te)(te)征(zheng)（規格(ge)按上(shang)(shang)、下閥(fa)(fa)中心線(xian)間距離(li)）標(biao)準(zhun)號結(jie)構形(xing)式材(cai)料L=304L=500L=800L=1100L=1400L=1700透光式玻(bo)璃(li)板(ban)(ban)液位計(ji)AT2.52.5≤250℃普(pu)(pu)通型(xing)(xing)(xing)(xing)Ⅰ（碳鋼）Ⅱ（316L）△△△△△△△△△△HG21589.1-95夾(jia)(jia)(jia)(jia)套型(xing)(xing)(xing)(xing)Ⅰ（碳鋼）Ⅱ（316l）△△△△△△△△△△AT6.36.3≤250℃普(pu)(pu)通型(xing)(xing)(xing)(xing)Ⅰ（碳鋼）Ⅱ（1Cr18Ni9Ti）△△△△△△△△△△HG21589.1-95夾(jia)(jia)(jia)(jia)套型(xing)(xing)(xing)(xing)Ⅰ（碳鋼）Ⅱ（1Cr18Ni9Ti）△△△△△△△△△△反射式玻(bo)璃(li)板(ban)(ban)液位計(ji)R4.04.0-20～+50普(pu)(pu)通型(xing)(xing)(xing)(xing)Ⅰ（碳鋼）Ⅱ（1Cr18Ni9Ti）△△△△△△△△△△HG5-1366-80夾(jia)(jia)(jia)(jia)套型(xing)(xing)(xing)(xing)Ⅰ（碳鋼）Ⅱ（1Cr18Ni9Ti）△R0.60.6-20～+50帶(dai)頸(jing)襯(chen)里(li)(li)Ⅲ（碳鋼襯(chen)里(li)(li)）△△HG5-1367-80帶(dai)頸(jing)Ⅱ（1Cr18Ni9Ti）Ⅰ（碳鋼）△△HG5-1368-80R常(chang)壓-20～+50襯(chen)里(li)(li)Ⅲ（碳鋼襯(chen)里(li)(li)）△△HG5-1369-80嵌入(ru)聯接(jie)(jie)Ⅰ（碳鋼）Ⅱ（1Cr18Ni9Ti）△△HG5-1370-80外形(xing)尺(chi)寸(cun)圖1、針型(xing)(xing)(xing)(xing)閥(fa)(fa) 2、本體 3、玻(bo)璃(li)板(ban)(ban) 4、針型(xing)(xing)(xing)(xing)閥(fa)(fa) 5、保(bao)溫(wen)(wen)管(guan)(guan)6、管(guan)(guan)接(jie)(jie)頭 7、U形(xing)管(guan)(guan) 8