BJ45W直流式保溫截止閥的保溫夾套焊裝于閥門的兩法蘭之間，閥門的側面、底部設置有保溫夾套的兩個連接口。直流保溫截止閥特別適用于化工、化肥行業(yè)的管路上，夾套內涵入蒸汽能防止介質結晶。廣泛應用于石油、化工、冶金、制藥等各類系統(tǒng)中，以輸送常溫下會凝固的高粘度介質。
設計制造按GB12234-89 GB12234-89;
結構長度按GB12221-89 GB12221-89;
法蘭尺寸按JB/T79-94 JB/779-94;
閥門檢查和試驗按GB13927。
主要零件材質
零件名稱LTEMZG1CR18NI9TI系列ZGOOCR18NI10系列ZG1Cr18Ni12MO2Ti系列ZGOOCR17NI14MO2系列WCB系列
閥體/閥蓋世BODY/CAPZG1CR18NI9TIZGOOCR18NI10ZG1Cr18Ni12MO2TiZGOOCR17NI14MO2WCB
閘板WEDGEZG1CR18NI9TIZGOOCR18NI10ZG1Cr18Ni12MO2TiZGOOCR17NI14MO21Cr13
閥桿STEM1CR18NI9TI00cr18ni101CR18NI12MOTIOOCR17NI14MO1Cr13
填料PACKINGPTFE紡織PTFE紡織PTFE紡織PTFE紡織石墨 GRAPHITE
墊片GASKET304L+PTFE304L+PTFE316L+PTFE316L+PTFE石墨+304 GRAPHITE+304
壓蓋GLAND FLANGEZG1CR18NI9TIZG00CR18ni10ZG1Cr18Ni12MO2TiZGOOCR17NI14MO2WCB
填料壓環(huán) STUFFING RING1CR18NI9TI00CR18NI101Cr18NI12MOTIOOCR17NI14MO1Cr13
螺栓BOLT1cr17ni21CR17NI21Cr17NI21Cr17Ni235CrMoA
螺母NUT1cr18ni9ti1CR18NI9TI1Cr18NI9ti1Cr18NI9ti45
主要外形尺寸及重量
PN(MPa)DN(mm)尺寸(mm)重量
LL1H3-GDD1D2bZ-φdDokg
2.515200502101-21057555164--φ1412014
20220502401-21158565164--φ1414018
25220502501-213510078184--φ1816025
32250552701-214511085184--φ1816030
40270603101-2160125100204--φ1816036
50300603303-4180145120228-φ1824040
65350653603-4195160135228-φ1824054
80380704003-4230190160248-φ2328070
100430754801270220188288-φ25320100
125490805501300250218308-φ25360130
1505709062013302802483212-φ25360170
2006909575013953403023612-φ25400250
415200502101-21057555164--φ1412014
20220502401-21158565164--φ1414018
25220502501-213510078184--φ1816025
32250552701-214511085184--φ1816033
40270603101-2160125100204--φ1816041
50300603303-4180145120228-φ1824045
65350653603-4192160135228-φ1824062
80380704003-4230190160248-φ2328080
100430754801270220188288-φ25320100
125490805501300250218308-φ25360130
1505709062013502952583412-φ30360185
2006909575014153553154012-φ34400268
