内容标题7

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                美标截止阀

                美标截止阀

                概述


                法兰连接的美标截止阀适用于公称压力PN1.6~16MPa,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ㄨ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.


                结构特点


                1、产品的设计制造符合美国国家标准ANS1B16.34,美国BS1873等国外先进标准要求。?
                2、阀体外形为桶形或流线形造型美观。流通形状为直通式。流体阻力小。?
                3、关闭件(闸瓣)与阀座密封面采用锥面密封,关闭力小,耐冲刷,密封可靠。?
                4、阀座可为更换式阀座,可任意组合与关闭密封面材料的配对,以满足工况的要求,延长使用寿命。?
                5、大口径、高压力截止阀根据关闭力的需要阀杆的传动方式采用升降杆,并配有滚动㊣轴承式采用撞击式手轮以减轻》关闭力。?
                6、主体材料、内件材料、填料、紧固件的材料可按用户要求或实际工况条件合理组合。


                设计标准


                设计与制造结构长度法兰尺寸对焊连接尺寸压力-温度试验-检验
                ANSI B16.34 BS1873ANSI B16.10ANSI B16.5ANSI B16.25ANSI B16.34API 598

                ?

                试验压力


                公称压力PN(Lb)强度试验气密封试验气密封试验
                MPaLbf/in2MPaLbf/in2MPaLbf/in2
                1503.04302.23150.4-0.760-100
                3007.711105.7815
                60015.3222011.31630
                90023.0333017.02445
                150038.4556028.24080
                250064.0925547.06790


                主要零部件


                体、盖阀杆密封面垫片(环)填料工作温度适用介质
                WCB2Cr1313Cr
                STL
                木体材料
                尼龙

                增强柔性石

                墨13Cr/柔性石墨

                1Cr13/Flexible
                SFB-2
                08软钢
                F304
                F316
                F304L
                F316L
                柔性石墨
                增强柔性石墨
                SFB/260
                SFP/260
                PTFE
                ≤425
                蒸汽
                油品
                WC138CrMoAl 25Cr2MoV≤425
                WC6≤540
                WC9≤570
                C5 C12≤540
                CF8F304≤200硝酸
                醋酸
                尿素
                CF8MF316
                CF3F304L
                CF3MF316L

                ?

                6364100823558710925666442


                主要尺寸及重量


                DN150Lb 凸面法兰(RF) 主要尺寸(mm)重量
                mminLDD1D2bn-φdHD0
                151/21088960.53511.24-162411006.9
                203/41179869.94312.74-162411009.8
                25112710879.25114.24-1624212513.5
                321 1/41401178963164-1628016019.5
                401 1/216512798.67317.54-1628616028.5
                502203152120.792194-1936820018
                652 1/2216178139.710522.44-1938720030
                803241190152.4127244-1941125041
                1004292229190.5157244-1945425064
                1255356254216.0186248-22.545535086
                1506406279241.321625.48-22.5541350113
                2008495343298.527028.48-22.5651450178
                25010622406362.032430.212-25.4800450270
                30012698483431.83813212-25.41231600350
                35014787533476.34133512-291450600460
                40016914597539.847036.626-291645600590

                ?

                DN300Lb 凸面法兰(RF) 主要尺寸(mm)重量
                151/21529566.53514.24-162411407.7
                203/417811782.543164-1924114011.3
                251203123895117.54-1928316016.8
                321 1/421613398.563194-1932020021.2
                401 1/2229155114.37320.64-22.532220032.6
                5022671651279222.48-1939920025
                652 1/2292190149.410525.48-22.543825030
                803318210168.112728.48-22.546428035
                1004356254200.215731.88-22.556535056
                1255400279235186358-22.561435096
                1506444318269.721636.612-25.4717400120
                2008559381330.227041.212-25.4930500212
                25010622444387.432447.816-28.51012550330
                30012711521450.838150.816-321231600472
                35014762584514.44135420-321450600715
                40016864648571.547057.220-351645600920

                ?

                DN600Lb 凸面法兰(RF)主要尺寸(mm)重量
                mminLDD1D2bn-φdHD0
                151/21659566.53514.54-162851007.8
                203/419011782.543164-1928512512.5
                251216124895117.54-1931316017.5
                321 1/422913398.563214-1932816023.5
                401 1/2241156114.37322.54-22.536518038.5
                50229216512792338-1944420035
                652 1/2330190149.4105368-22.548325050
                803356210168.1127398-22.553325060
                1004432273216157458-25.4622350110
                1255508330266.7186528-28.5750350200
                1506559356292.12165512-28.5800450230
                2008660419349.32706312-32927500410
                25010787508431.83247116-351257600625
                300128385594893817420-351468680860


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