高溫蒸汽截止閥概述

高溫蒸汽截止閥概述：高溫蒸汽截止閥的啟閉件是圓柱形的閥瓣，密封面呈平面或錐面，閥瓣沿流體的中心線作直線運(yùn)動(dòng)。國(guó)標(biāo)截止閥只適用于全開和全關(guān)，一般不用來(lái)調(diào)節(jié)流量，定做時(shí)允許作調(diào)節(jié)和節(jié)流。公稱壓力1.6MPa-16.0MPa，工作溫度-29～550℃的石油、化工、制藥、化肥、電力行業(yè)等各種工況的管路上，切斷或接通管路介質(zhì)。驅(qū)動(dòng)方式有手動(dòng)、齒輪傳動(dòng)、電動(dòng)、氣動(dòng)等?！艚刂归y產(chǎn)品特點(diǎn)1、結(jié)構(gòu)簡(jiǎn)單，制造和維修比較方便2、工作行程小，啟閉時(shí)間短3、密封性好，密封面間磨擦力小，壽命較長(zhǎng)◆截止閥執(zhí)行標(biāo)準(zhǔn)設(shè)計(jì)規(guī)范：GB/T12235結(jié)構(gòu)長(zhǎng)度：GB/T12221法蘭連接：JB/T79試驗(yàn)與檢驗(yàn)：JB/T9002產(chǎn)品標(biāo)識(shí)：GB/T12220供貨規(guī)范：JB/T7928◆截止閥性能參數(shù)型號(hào)J41H-16C～160CJ41Y-16C～160CJ41W-16P～160P工作壓力（MPa）1.6～16.0適用溫度（℃）≤425≤150適用介質(zhì)水、蒸汽、油品弱腐蝕性介質(zhì)材料閥體、閥蓋碳素鋼鉻鎳鈦不銹鋼閥桿鉻不銹鋼鉻鎳鈦不銹鋼密封面堆焊鐵基合金堆焊硬基合金本體材料填料石棉石墨、柔性石墨、聚四氟乙烯壓力試驗(yàn)MPa公稱壓力6.410.016.0強(qiáng)度試驗(yàn)9.615.024.0水密封試驗(yàn)7.411.018.0上密封試驗(yàn)7.0411.018.0氣密封試驗(yàn)0.4-0.7主要零件材料及性能體蓋扳閥桿密封面墊片(環(huán))填料工作溫度℃適用介質(zhì)WCB2Cr1313Cr

STL

本體材料

尼龍?jiān)鰪?qiáng)柔性石墨

1Crl3／柔性石墨

08軟鋼

0Cr18Ni9Ti

OCr18Ni12Mo2Ti柔性石墨

增強(qiáng)柔性石墨

SFB-260

SFP-260≤425

水、蒸汽、油品WC138CrMoAI

25Cr2MoV≤450WC6≤540WC9≤570ZGCr5Mo≤540ZG1Cr18Ni9Ti1Cr18Ni9Ti≤200硝酸類ZGCr18Ni12Mo2Ti1C18Ni12Mo2Ti≤200醋酸類PNl．6MPa規(guī)格主要尺寸1.6MPaDNLDD1D2bn-ΦdHD0凸面法蘭

RF

J41H

J41Y

J41W

J41F

J41N16C

16P

16R

16I10130906040144-Φ1419812015130956545144-Φ14218120201501057555144-Φ14258140251601158565144-Φ142751403218013510078164-Φ182801604020014511085164-Φ1833018050230160125100164-Φ1835020065290180145120184-Φ1837028080310195160135208-Φ18400280100350215180155208-Φ18415320125400245210185228-Φ18460360150480280240210248-Φ235104502006003352952652612-Φ237105002506504053353203012-Φ257865503007504604103753012-Φ259256002.5MPa規(guī)格主要尺寸2.5MPaDNLDD1D2bn-ΦdHD0

10130906040164-Φ1419812015130956545164-Φ14218120201501057555164-Φ14258140251601158565164-Φ142751403218013510078184-Φ182801604020014511085184-Φ1833018050230160125100204-Φ1835020065290180145125228-Φ1840028080310195160135228-Φ18355280100350230190160248-Φ23415320125400270220188288-Φ25460360150480300250218308-Φ255104502006003603102783412-Φ257105002506224253703323612-Φ307865503006984854303904016-Φ309256004.0MPa規(guī)格主要尺寸4.0MPaDNLDD1D2D6bn-ΦdHD0凹凸法蘭

MFM

J41H

J41Y

J41W

J41N40

40P

40R

40I1013090604135144-Φ141981201513095654540164-Φ1423312020150105755551164-Φ1429514025160115856558164-Φ14285160321801351007866184-Φ18302160402001451108576184-Φ183552005023016012510088204-Φ1837320065290180145120110228-Φ1840828080310195160135121228-Φ18436280100350230190160150248-Φ234803201254001270220188176288-Φ25588360150480300250218204308-Φ256114002006003753202822603812-Φ307204006.4MPa規(guī)格主要尺寸6.4MPa15170105755540184-14Φ195400凹凸法蘭

MFM

J41H

J41Y

J41W

J41N64

64P

64R

64I20190125906851204-Φ18228160252101351007858224-Φ18275180322301501108266244-Φ23325200402601651259576244-Φ233602405030017513510588264-Φ2341028065340200160130110288-Φ2345032080380210170140121308-Φ23485360100430250200168150328-Φ25537400125500295240202176368-Φ30631400150550340280240204388-Φ346464502006504053453002604412-Φ3481350010.0MPa規(guī)格主要尺寸10.0MPa10170100705035204-Φ14198140凹凸法蘭

MFM

J41H

J41Y

J41W100

100P

100R

100I15170105755540204-Φ1420214020190125906851224-Φ18228160252101351007858244-Φ18250180322301501108266244-Φ23326200402601651259576264-Φ233602405030019514511288284-Φ25414280653