不锈钢截止阀产品详情不锈钢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...
不锈钢截止阀产品详情
不锈钢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。
不锈钢截止阀产品特点
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
不锈钢截止阀执行标准
设计规范：GB/T 12235
结构长度：GB/T 12221
法兰连接：JB/T 79
试验与检验：JB/T 9002
产品标识：GB/T 12220
供货规范：JB/T 7928
不锈钢截止阀压力试验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1.82.84.47.0411.018.0气密封试验0.4-0.7
不锈钢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
不锈钢截止阀PN l．6MPa规格主要尺寸
1.6MPaDNLDD1D2bn-ΦdHD0凸面法兰RFJ41HJ41YJ41WJ41FJ41N16C16P16R16I10130906040144-Φ1419812015130956545144-Φ14218120201501057555144-Φ14258140251601158565144-Φ142751403218013510078164-Φ182801604020014511085164-Φ1833018050230160125100164-Φ1835020065290180145120184-Φ1837028080310195160135208-Φ18400280100350215180155208-Φ18415320125400245210185228-Φ18460360150480280240210248-Φ235104502006003352952652612-Φ237105002506504053353203012-Φ257865503007504604103753012-Φ
不锈钢截止阀2.5MPa规格主要尺寸
2.5MPaDNLDD1D2bn-ΦdHD0 10130906040164-Φ1419812015130956545164-Φ14218120201501057555164-Φ14258140251601158565164-Φ142751403218013510078184-Φ182801604020014511085184-Φ1833018050230160125100204-Φ1835020065290180145125228-Φ1840028080310195160135228-Φ18355280100350230190160248-Φ23415320125400270220188288-Φ25460360150480300250218308-Φ255104502006003603102783412-Φ257105002506224253703323612-Φ307865503006984854303904016-Φ
不锈钢截止阀4.0MPa规格主要尺寸
4.0MPaDNLDD1D2D6bn-ΦdHD0凹凸法兰MFMJ41HJ41YJ41WJ41N4040P40R40I1013090604135144-Φ141981201513095654540164-Φ1423312020150105755551164-Φ1429514025160115856558164-Φ14285160321801351007866184-Φ18302160402001451108576184-Φ183552005023016012510088204-Φ1837320065290180145120110228-Φ1840828080310195160135121228-Φ18436280100350230190160150248-Φ234803201254001270220188176288-Φ25588360150480300250218204308-Φ256114002006003753202822603812-Φ
不锈钢截止阀6.4MPa规格主要尺寸
6.4MPa15170105755540184-14Φ195400凹凸法兰MFMJ41HJ41YJ41WJ41N6464P64R64I20190125906851204-Φ18228160252101351007858224-Φ18275180322301501108266244-Φ23325200402601651259576244-Φ233602405030017513510588264-Φ2341028065340200160130110288-Φ2345032080380210170140121308-Φ23485360100430250200168150328-Φ25537400125500295240202176368-Φ30631400150550340280240204388-Φ346464502006504053453002604412-Φ
