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 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