上海沪工国标铸钢截止阀J41H 供应商:上海沪工阀门厂(集团)有限公司 企业类型:其他 在线询盘 进入展台 产品简介 产品介绍一、国标截止阀介绍 国标截止阀属于强制密封式阀门,所以在阀门关闭时,必须向阀瓣施加压力,以强制密封面不泄漏 详细信息 产品介绍 一、国标截止阀介绍 国标截止阀属于强制密封式阀门,所以在阀门关闭时,必须向阀瓣施加压力,以强制密封面不泄漏。当介质由阀瓣下方进入阀门时,操作力所需要克服的阻力,是阀杆和填料的摩擦力与由介质的压力所产生的推力,关阀门的力比开阀门的力大,所以阀杆的直径要大,否则会发生阀杆顶弯的故障。近年来,从自密封的阀门出现后,法兰截止阀的介质流向就改由阀瓣上方进入阀腔,这时在介质压力作用下,关阀门的力小,而开阀门的力大,阀杆的直径可以相应地减少。同时,在介质作用下,这种形式的不锈钢气动阀门也较严密。执行标准设计与制造结构长度法兰尺寸压力-温度试验-检验GB12235GB12221GB9113 JB79GB9131GB/T13927 JB/T9092压力试验公称压力1.62.54.06.410.016.0强度试验2.43.86.09.615.024.0水密封试验1.82.84.47.411.018.0上密封试验1.82.84.47.0411.018.0气密封试验0.4-0.7 二、手动截止阀主要零件材料及性能体盖扳阀杆密封面垫片(环)填料工作温度℃适用介质WCB2Cr1313CrSTL本体材料尼龙增强柔性石墨1Crl3/柔性石墨08软钢0Cr18Ni9TiOCr18Ni12Mo2Ti柔性石墨增强柔性石墨SFB-260SFP-260≤425 水、蒸汽、油品WC138CrMoAI25Cr2MoV≤450WC6≤540WC9≤570ZGCr5Mo≤540ZG1Cr18Ni9Ti1Cr18Ni9Ti≤200硝酸类ZGCr18Ni12Mo2Ti1C18Ni12Mo2Ti≤200醋酸类三、主要外形和连接尺寸公称通径主要外型尺寸和连接尺寸LDD1D2bfZ-dHD0J41H/Y-16C J41W-16P J41W-16R J41Y-16I101309060401424-14198120151309565451624-142181202015010575551624-142581402516011585651624-1427516032180135100781824-1828018040200145110851834-18330200502301601251001834-18350240652901801451201834-18355280803101951601352038-184002801003502151801552238-184153201254002452101852438-2346036015048028024021024312-2351040020060033529526526312-2371040025065040535532030312-2378645030075046041037530312-23925500公称通径主要外型尺寸和连接尺寸LDD1D2bfZ-dH手H电D电动装置J41H/Y-25 J41W-25P J41W-25R J41Y-25I J941H/Y-25 J941W-25P J941W-25R J941W-25I101309060401624-14198-120-151309565451624-14218-120-2015010575551624-14258-140-2516011585651624-14275-160-32180135100781824-18280-180-40200145110851834-18330-200-502301601251002034-18350645240DZW10652901801451202238-18400690280DZW10803101951601352238-18355715280DZW151003502301901602438-23415770320DZW201254002702201882838-25460780360DZW301504803002502183038-25510875400DZW4520060036031027834312-25710967400DZW6025065042537033236312-30786-450-30075048543039040412-30925-500-公称通径主要外型尺寸和连接尺寸LDD1D2D6bff2Z-dH手H电D电动装置J41H/Y-40 J41W-40P J41W-40R J41Y-40I J941H/Y-40 J941W-40P J941W-40R J941W-40I101309060403516224-14198-120-151309565454016244-14233-120-2015010575555116244-14275-140-2516011585655816244-14285-160-32180135100786618244-18302-180-40200145110857618344-18355-200-502301601251008820344-18373645240DZW106529018014512011022344-18408690280DZW108031019516013512122348-18436715320DZW201003502301901601502434.58-18480770360DZW301254002702201881762834.58-23558782400DZW451504803002502182043034.58-25611875400DZW602006003753202822603834.512-307201160400DZW90公称通径主要外形尺寸和连接尺寸LDD1D2D6bZ-dHH1D0J41H/Y-64 J941H/Y-64 J41Y-64I J941Y-64I15170105755541184141952101402019012590685120418228248160252101351007858224182502751803223015011082662442332535520040260165125957624423360395240503001751351058826423410450280653402001601301102882345049432080380210170140121308234854853601004302502001681503282553753740015055034028024020438834646646450200650405345300--441234813813500J41H/Y-100 J941H/Y-100 J41Y-100I J941Y-100I15170105755540204141952101002019012590685122418228248120252101351007858244182502751603223015011082662442332634820040260165125957626423359388240503001951451128828425414448280653402201701381103282543447732080380230180148121348255475984001004302652101721503883062168545012550031025021017642834---150550350,290250204461234840--200650430360312260541241925--