截止阀阀门尺寸

1、.国标法兰截止阀性能参数.详细介绍：国标法兰截止阀的启闭件是圆柱形的阀瓣，密封面呈平面或锥面，阀瓣沿流体的中心线作直线运动。国标截止阀只适用于全开和全关，一般不用来调节流量，定做时允许作调节和节流。公称压力1.6MPa-16.0MPa，工作温度-29 550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。驱动方式有手动、齿轮传动、电动、气动等。国标法兰截止阀产品特点1、结构简单，制造和维修比较方便2、工作行程小，启闭时间短3、密封性好，密封面间磨擦力小，寿命较长国标法兰截止阀执行标准设计规范： GB/T 12235结构长度： GB/T 12221法兰连接： JB/T

2、79试验与检验：JB/T 9002产品标识： GB/T 12220供货规范： JB/T 7928型号J41H-16C160CJ41Y-16C 160CJ41W-16P 160P工作压力（ MPa）1.6 16.0适用温度（）425150适用介质水、蒸汽、油品弱腐蚀性介质材料阀体、阀盖碳素钢铬镍钛不锈钢阀杆铬不锈钢铬镍钛不锈钢.密封面堆焊铁基合金堆焊硬基合金本体材料填料石棉石墨、柔性石墨、聚四氟乙烯国标法兰截止阀压力试验MPa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.

3、47.0411.018.0气密封试验0.4-0.7国标法兰截止阀主要零件材料及性能体盖扳阀杆密封面WCB2Cr1313CrWC138CrMoAISTLWC625Cr2MoV本体材WC9料ZGCr5Mo尼龙ZG1Cr18Ni9Ti1Cr18Ni9TiZGCr18Ni12Mo2Ti1C18Ni12Mo2TiPN l 6MPa规格主要尺寸1.6MPaDNLD凸面法兰1013090RF1513095J41H20150105J41Y25160115J41W32180135J41F40200145J41N5023016016C6529018016P8031019516R10035021516I125400

4、2451504802802006003352506504053007504602.5MPa 规格主要尺寸垫片( 环)填料工作温度适用介质增强柔性石墨柔性石墨4251Crl3 柔性石墨增强柔性石450水、蒸汽、油08 软钢墨540品0Cr18Ni9TiSFB-260570OCr18Ni12Mo2TiSFP-260540200硝酸类200醋酸类D1D2bn- dHD06040144- 141981206545144- 142181207555144- 142581408565144- 1427514010078164- 1828016011085164- 18330180125100164- 18

5、350200145120184- 18370280160135208- 18400280180155208- 18415320210185228- 18460360240210248- 235104502952652612- 237105003353203012- 257865504103753012- 259256002.5MPa DNLDD1D2bn- dHD010130906040164- 1419812015130956545164- 14218120.201501057555164- 14258140251601158565164- 142751403218013510078184-

6、 182801604020014511085184- 1833018050230160125100204- 1835020065290180145125228- 1840028080310195160135228- 18355280100350230190160248- 23415320125400270220188288- 25460360150480300250218308- 255104502006003603102783412- 25 7105002506224253703323612- 30 7865503006984854303904016- 309256004.0MPa 规格主要

7、尺寸4.0MPaDNLDD1D2D6bn- dHD0凹凸法兰 1013090604135144- 14198120MFM1513095654540164- 14233120J41H20150105755551164- 14295140J41Y25160115856558164- 14285160J41W321801351007866184- 18302160J41N402001451108576184- 18355200405023016012510088204- 1837320040P65290180145120110228- 1840828040R80310195160135121228-

8、 1843628040I100350230190160150248- 234803201254001270220188176288- 25588360150480300250218204308- 256114002006003753202822603812- 307204006.4MPa 规格主要尺寸6.4MPa凹凸法兰MFMJ41HJ41YJ41WJ41N6464P64R15170105755540184- 1419540020190125906851204- 18228160252101351007858224- 18275180322301501108266244- 23325200402601651259576244- 233602405030017513510588264- 2341028065340200160130110288- 2345032080380210170140121308- 234853