J41H铸钢法兰截止阀

J41H铸钢法兰截止阀 法兰连接的截止阀适用于公称压力PN1.6～6.4MPa,工作温度-29～450℃的石油、化工、制药、化肥、电力行业等各种工况的管路上，切断或接通管路介质。适用介质为：水、油品、蒸气、酸性介质等。操作方式有：手动、齿轮传动、电动、气动等。标准与规范

设计与制造结构长度压力温度等级连接法兰试验与检验GB12235GB12221GB9131
JB/T74
HG20604JB/T74-90
GB9113
HG20592-20635JB/T9092-1999
GB13927结构优势与特点1、产品设计制造按国家标准GB12235，结构合理，密封可靠，性能优良，造型美观。2、阀瓣、阀座密封面用铁基合金堆焊或司太立（stellite）钴基硬质合金堆焊而成，耐磨、耐高温、耐腐蚀、抗擦伤性能好、使用寿命长。3、阀杆经调质及表面氮化处理，有良好的抗腐蚀性和抗擦伤性。4、可采用各种配管法兰标准及法兰密封面形式，满足各种工程需要和用户要求。5、倒密封采用螺纹连接密封座或本体堆焊奥氏体不锈钢而成，密封可靠，填料与日俱更换可在不停机情况下进行方便快捷不影响系统运行。主要零件材料
零件名称材料牌号阀体WCBZG1Cr18Ni9TiZG1Cr18Ni12MoTiZGCr5Mo阀盖WCBZG1Cr18Ni9TiZG1Cr18Ni12MoTiZGCr5Mo支架WCBZG1Cr18Ni9TiZG1Cr18Ni12MoTiZGCr5Mo阀瓣2Cr13304316Cr5Mo阀杆2Cr1330431625Cr2MoV阀座25304316304密封环、垫片304、包覆垫填料增强柔性石墨性能规范
公称压力
PN（MPa）试验压力（MPa）适用温度（℃）适用 
介质强度试验密封试验WCBWr5Mo1Cr18Ni12Mo2Ti1C18Ni9Ti1.62.41.8 ≤425 ≤550 ≤200 ≤200 水、油品、蒸气、酸性介质2.53.82.84.06.04.46.49.67.110.01511/16.02417.6主要外形尺寸及连接尺寸
公称压力PN（MPa）公称通径DN（mm）主要外形尺寸及连接尺寸（mm）重量 
（kg）LDD1D2D6b-ff2z-φdHDo    1.610130906040/14-2/4-141981204.715130956545/16-2/4-142181205.2201501057555/16-2/4-142581407.1251601158565/16-2/4-142751607.43218013510078/18-2/4-182801808.54020014511085/18-3/4-1833020012.550230160125100/18-3/4-183502401465290180145120/18-3/4-1840028022.5880340195160135/20-3/8-1835528029100350215180155/22-3/8-1841532032.5125400245210185/24-3/8-1846036080150480280240210/24-3/8-2351040093.5200600335295265/26-3/12-23710400180250650405355320/30-3/12-25786450440300750460410375/30-4/12-25925500648    2.510130906040/16-2/4-141981204.915130956545/16-2/4-142181205.4201501057555/16-2/4-142581407251601158565/16-2/4-142751607.43218013510078/18-2/4-182801808.54020014511085/18-3/4-1833020012.550230160125100/20-3/4-183502401665290180145125/22-3/8-184002802580310195160145/22-3/8-1835528030100350230190160/24-3/8-2341532034.5125400270220188/28-3/8-2546036089150480300250218/30-3/8-2551040098200600360310278/34-3/12-25710400180250650425370332/36-3/12-30786450446300750485430390/40-4/12-30925500654     4.0101309060403416-244-141981204.9151309565454016-244-142331205.72015010575555116-244-1427514072516011585655816-244-142851608.832180135100786618-244-1830218011.840200145110857618-344-1835520016.5502301601251008820-344-18373240246529018014512511022-348-18408280338031019516014512122-3248-184363204410035023019016015024-34.58-234803606012540027022018817628-34.58-255584008915048030025021820430-34.58-256114009820060037532028226038-34.512-30720400190主要外形尺寸及连接尺寸 240
公称压力PN（MPa）公称通径DN（mm）主要外形尺寸及连接尺寸(mm)重量 
（kg）LDD1D2D6D8b-ff2z-φdHDo   6.410170100705035/18-244-141981205.715170105755541/18-244-141951401020190125906851/20-244-1822816013252101351007858/22-244-1827518014.5322301501108266/24-244-2332520019402601651259576/24-344-23360240255030017513510588/26-348-234102803565340200160130110/28-348-234503204880380210170140121/30-348-2348536056100430240200168150/32-34.58-25537400125125500250240202176/36-34.58-30631400131150550340280204/38-34.58-34646450157200650405345300260/44-34.512-34813500283   10.0101701007050/3520-2/4-141981206, , , , , , 151701057555/4020-2/4-1420214011201901259068/5122-2/4-1822816013.22521013510078/5824-2/4-18250180143223015011082/6624-2/4-23326220154026016512595/7626-3/4-233592402950300195145112/8828-3/4-254142804965340220170138/11032-3/8-254343206580380230180148/12134-3/8-3054740095100430265210172/15038-3/8-25621450115125500310250210/17642-3/8-34732450149150550350290250/20446-3/12-34840500310200650430360312/26054-3/12-41925550590​