国标截止阀(节流阀)厂家-上海嘉德阀门.doc

国标截止阀(节流阀)厂家-上海嘉德阀门 上海嘉德阀门制造有限公司是一家具有二十多年历史的大型阀门生产企业，是全国最主要和最大的闸阀、截止阀、球阀、蝶阀、水力控制阀等通用阀门供应商之一。产品广泛使用于石油,化工,冶金,矿山,电力,楼宇控制等领域。公司凭借多年的生产经验和管理理念，不断引进吸收国内外先进制造商的研发和管理，已具有国际性的生产、销售和服务团队。拥有多名高级技术工程师，拥有数控加工中心、车床、铣床、钻床、检测、铸造、热处理、试验台等设备百余台。技术力量雄厚、制造设备精良和高素质团队等是对质量和服务体系的保证，使企业在阀门和执行器制造业中成为具有较强实力和富有竞争力的供应商。一、国标截止阀(节流阀)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。我国阀门“三化给”曾规定，截止阀的流向，一律采用自上而下手动截止阀(节流阀)PN l.6MPa一16.0MPa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、国标截止阀(节流阀)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-260425水、蒸汽、油品WC138CrMoAI25Cr2MoV450WC6540WC9570ZGCr5Mo540ZG1Cr18Ni9Ti1Cr18Ni9Ti200硝酸类ZGCr18Ni12Mo2Ti1C18Ni12Mo2Ti200醋酸类截止阀PN l6MPa三、国标截止阀(节流阀)规格主要尺寸1.6MPaDNLDD1D2bn-dHD0凸面法兰RFJ41HJ41YJ41WJ41FJ41N16C16P16R16I10130906040144-1419812015130956545144-14218120201501057555144-14258140251601158565144-142751403218013510078164-182801604020014511085164-1833018050230160125100164-1835020065290180145120184-1837028080310195160135208-18400280100350215180155208-18415320125400245210185228-18460360150480280240210248-235104502006003352952652612-237105002506504053353203012-257865503007504604103753012-25925600截止阀PN 2.5MPa四、国标截止阀(节流阀)规格主要尺寸2.5MPaDNLDD1D2bn-dHD0凸面法兰RFJ41HJ41YJ41WJ41FJ41N25C25P25R25I10130906040164-1419812015130956545164-14218120201501057555164-14258140251601158565164-142751403218013510078184-182801604020014511085184-1833018050230160125100204-1835020065290180145125228-1840028080310195160135228-18355280100350230190160248-23415320125400270220188288-25460360150480300250218308-255104502006003603102783412-257105002506224253703323612-307865503006984854303904016-30925600截止阀五、国标截止阀(节流阀)规格主要尺寸4.0MPaDNLDD1D2D6bn-dHD0凹凸法兰MFMJ41HJ41YJ41WJ41N4040P40R40I1013090604135144-141981201513095654540164-1423312020150105755551164-1429514025160115856558164-14285160321801351007866184-18302160402001451108576184-183552005023016012510088204-1837320065290180145120110228-1840828080310195160135121228-18436280100350230190160150248-234803201254001270220188176288-25588360150480300250218204308-256114002006003753202822603812-307204006.4MPa15170105755540184-14195400凹凸法兰MFMJ41HJ41YJ41WJ41N6464P64R64I20190125906851204-18228160252101351007858224-18275180322301501108266244-23325200402601651259576244-233602405030017513510588264-2341028065340200160130110288-2345032080380210170140121308-23485360100430250200168150328-25537400125500295240202176368-30631400150550340280240204388-346464502006504053453002604412-3481350010.0MPa10170100705035204-14198140凹凸法兰MFMJ41HJ41YJ41W100100P100R100I15170105755540204-1420214020190125906851224-18228160252101351007858244-18250180322301501108266244-23326200402601651259576264-233602405030019514511288284-2541428065340220170138110328-25434320803802301810148121348-25547360100430265210172150388-30621400125500310250210176428-347324001505503502902502044612-3484045016.0MPa200654303603122605412-41925500凹凸法兰MFMJ41HJ41YJ41W160160P160R160I15170110755240244-1814814020190130906251264-23158160252101401007258284-231