美标与国标压力、管径、法兰关系对照表

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1、美标与国标压力、管径、法兰关系对照表ANSI是美国国家标准学会（AMERICANNATIONALSTANDARDSINSTITUTE:ANSI）的简称。一、美标压力与公称压力关系ANSI标准压力磅级与公称压力的关系表序号ANSI标准压力级Class公称压力PNMPaBarKgf/cm211502.02020.423005.05051.034006.86869.4460010.0100102.0580013.51358137.7690015.0150153.07150025.0250255.08250042.0420428.09300050.5505515.010350059.0590601.0

2、1bf/in2=6894.757Pa=0.00689Mpa=0.0689bar1kgf/cm2=14.22bf/in2=0.9807bar1bar=14.5bf/in2=1.02kgf/cm2ASME标准压力磅级与公称压力的关系表ASME磅级ASMEClass15030040060080090015002500公称压力MPa0.6MPa1.0MPa1.6MPa2.0MPa2.5MPa4.0MPa5.0MPa6.4MPa10.0MPa-15.0MPa25.0MPa42.0MPa公称压力PNPN6PN10PN16PN20PN25PN40PN50PN6.4PN100-PN150PN250PN420二

3、、美标压力与公称压力关系ANSI标准管径与国标管径比较ANSIGBANSIGBANSIGB1/2in12.7mm4in100mm12in300mm1in25.4mm6in150mm14in350mm2in50mm8in200mm16in400mm3in80mm10in250mm18in450mm20in500mm24in600mm30in三、美标、日标、德标法兰尺寸表　法　兰　标　准　尺　寸　表一、ANSI150、300、400、600、900、1500、2500RF法兰尺寸表（美標）表1ANSI150RF                               mm公称通径外径螺栓孔中心

4、圆直径连接凸出部分直径内径焊接处颈部直径颈根部直径法兰厚度焊接法兰长度连接凸出部分高度螺栓孔直径数量螺栓直径DNDD1D2ABCEFGJL1L2L3LdnM2098704321282027 381353162291.6154122510879.5512735253451491456171.615412321188963.53543324260591657211.6154124012798.5734150404867651862221.61541250152120.59253625060.583781964251.61941665178139.51056375657395912470291.61

5、941680190152.5127789180891081082470301.619416100229190.51571021161001141401352476333051.6198161252542161861281441251411651642489371.6238M20150279241.52161541711501681971922589401.6238M20200343298.527020322120021924824629102441.6238M2025040636232425527625027330530530102491.62512M223004834323813053273

6、0032436536532114561.62512M22表2ANSI300RF                                  mm公称通径外径内径焊接处颈部直径法兰厚度焊接法兰长度数量螺栓直径螺栓孔中心圆直径连接凸出部分直径颈根部直径连接凸出部分高度螺栓孔直径DNDD1D2ABCEFGJL1L2L3LdnM2011782.54321282027 481657252291.6194162512489512735253454541762271.6194163213398.4643543324264641965271.61941640156114.5734150404870702

7、168301.62342050165127925362506084842270331.61981665191149105637565731001002576381.62382080210168127789180891171172979431.6238201002542001571021161001141461463286483051.62382012527923518612814412514117