ANSI-RF法蘭標準尺寸表美標法蘭標準凸面法蘭標準尺寸表一、__、300、400、600、900、1500、2500RF法蘭尺寸表美標法蘭標準凸面表1ANSI150RF公稱通徑DN20253240506580100125150200250300外徑D98108118127152178190229254279343406483螺栓孔中連接凸出心圓直徑部分直徑D17079.58998.5120.5139.5152.5190.5216241.5298.5362432D2435163.57392105127157186216270324381A21273541536378mm內(nèi)徑B28354350627591C20253240506580100125150200250300焊接處頸部頸根部直徑E2734424860.573891141411682192733245160678395108140165197248305365F直徑G384959657891108135164192246305365法蘭厚度J13141618192424242425293032焊接法蘭長度L153565762647070768989102102114L216172122252930333740444956305229L3連接凸出螺栓孔部分高度L1.61.61.61.61.61.61.61.61.61.61.61.61.6直徑d15151515191919192323232525數(shù)量n444444488881212螺栓直徑M1212121216161616M20M20M20M22M22102116128144154171203221255276305327表2ANSI300RF公稱通徑DN202532405065外徑D117124133156165191螺栓孔中連接凸出心圓直徑部分直徑D182.58998.4114.5127149D24351647392105A212735415363mm內(nèi)徑B283543506275C202532405065焊接處頸部頸根部直徑E27344248607354647084100F直徑G4854647084100法蘭厚度J161719212225焊接法蘭長度L1576265687076L2252727303338L3229連接凸出螺栓孔部分高度L1.61.61.61.61.61.6直徑d191919231923數(shù)量n444488螺栓直徑M161616201620美標法蘭標準凸面80100125150200250300210254279318381445521168200235270330387.5451127157186216270324381781021281542032553059111614417122127632780100125150200250300891141411682192733241171461782062603213751171461782062603213752932353741485179869898111117130434851526267733051.61.61.61.61.61.61.6232323232530338881212161620202020222730表3ANSI400RF公稱通徑DN20253240506580100125150200250300外徑D117124133156165191210254279318381445521螺栓孔中連接凸出心圓直徑部分直徑D182.58998114127149168200235270330387451D24351647392105127157186216270324381按用戶要求Amm內(nèi)徑B28354350627591116144171221276327C20253240506580100125150200250300焊接處頸部頸根部直徑E2734424860738911414116821927332454647084100117146178206260321375F直徑G4854647084100117146178206260321375法蘭厚度J22242729323538414548546064焊接法蘭長度L16468737679868995108110124130143108110124130143L232333538434852576064757986311235L3連接凸出螺栓孔部分高度L6.46.46.46.46.46.46.46.46.46.46.46.46.4直徑d19191923192323252525303335數(shù)量n44448888812121616螺栓直徑M16161620162020222222273032美標法蘭標準凸面表4ANSI600RF公稱通徑DN20253240506580100125150200250300外徑D11712413315616519121螺0栓孔中連接凸出心圓直徑部分直徑D182.58998114.5127149168D24351647392105127157186216270324381按用戶要求Amm內(nèi)徑B28354350627591116144171221276327C20253240506580100125150200250300焊接處頸部直徑E2734424860738911414116821927332454647084100117F頸根部直徑G4854647084100117法蘭厚度J22242729323538455154627073焊接法蘭長度L164687376798689108121124140159162L232333538434852576773839298311235L3連接凸出螺栓孔部分高度L6.46.46.46.46.46.46.46.46.46.46.46.46.4直徑d19191923192323253033363636數(shù)量n44448888812121620螺栓直徑M16161620162020222730333333273330356419508559216266.5292349432489152191222273343400152189222273343400表5ANSI900RF公稱通徑DN202532405065外徑D130149159178216244螺栓孔中連接凸出心圓直徑部分直徑D189101.5111124165190.5D24351647392105Amm內(nèi)徑B283543506275C202532405065焊接處頸部頸根部直徑E2734424860735263.570105124F直徑G44526470105124法蘭厚度J323535384548焊接法蘭長度L176797989108111L2414848516470L3235連接凸出螺栓孔部分高度L6.46.46.46.46.46.4直徑d232525302530數(shù)量n444488螺栓直徑M202222272227按用戶要求美標法蘭標準凸面80100125150200250300241292349381470546610190.5235279.5317.5393.5470533.512715718621627032438191116144171221276327801001251502002503008911412715912715919123529836841945515862707686108121133146168191206607686921081141243116.46.46.46.46.46.46.4253336333939398881212162022303330363636141190.5168219273324235298368419表6ANSI1500RF公稱通徑DN20253240506580100125150200250300外徑D130149159178216244267311375394483584673螺栓孔中心圓直徑D189101.5111124165190.5203241.5292317.5393.5482.5571.5連接凸出部分直徑D24351647392105127157186216270324381mm內(nèi)徑焊接處頸部直頸根部徑C20253240506580100125150200250300E273442486073891141411682192733245263.570105124133162197229292368451F直徑G44.55263.570105124法蘭厚度J323535394548焊接法蘭長度連接凸出螺栓孔部分高度L6.46.46.42356.46.46.46.46.43116.46.46.4311/5146.46.4直徑d2325253025303335424545515516數(shù)量螺栓直徑M20222227222730323942424852AB2835435062L176797989108111124130162178219260289L24148485164707997111125149165187L3n444488888121212按用戶要求7591116144171221276327133162170229__4515461808999115131美標法蘭標準凸面表7ANSI2500RF公稱通徑DN20253240506580100125150200250300外徑D140159184203235267305356419483552673762螺栓孔中心圓直徑D198108130146171.5197228.5273324368.5438539.5619連接凸出部分直徑D2435163.57392105127157186216270324381按用戶要求A內(nèi)徑mm焊接處頸部直頸根部徑C20253240506580100125150200250300E2734424860738911414116821927332457737995114133165203235305375441F直徑G5157737995114133165203235305375441法蘭厚度J384145515764738398114133172191焊接法蘭長度連接凸出螺栓孔部分高度L6.46.46.46.46.46.43116.46.46.46.46.4311/5146.46.4直徑d23253033303336424855556775數(shù)量螺栓直徑M20222730273033394552526472B28354350627591116144171221276327L18695102118133149175197235279324426470L249545967768698114137159184235260L3235n4444888888121212美標法蘭標準凸面二、ANSI150、300、600、900、1500、2500RJ法蘭尺寸表表8ANSI150RJ公稱通徑DN2540506580100125150200250300外徑D108127152178190229254279343406483螺栓孔中連接凸出心圓直徑部分直徑D179.598.5120.5139.5152.5190.5216241.5298.5362432D263.582.6101.6120.6133.4171.4193.7219.1273330.2406.4mm內(nèi)徑D32538516476102127152203254305法蘭厚度t20.723.925.528.730.330.330.331.83536.638.2連接凸出部分高度f6.46.46.46.46.46.46.46.46.46.46.4梯形槽中梯形槽深心圓直徑L47.665.182.6101.6114.3149.2171.5193.6247.7304.8381度E6.46.46.46.46.46.46.46.46.46.46.4梯形槽寬螺栓孔數(shù)度F8.78.78.78.78.78.78.78.78.78.78.7量與直徑n-d4-154-154-194-194-198-198-238-2382312-2512-25螺栓直徑M1212161616162020202222美標法蘭標準凸面表9ANSI300RJ公稱通徑DN202540506580100125150200250300外徑D117124156165190210254279318381444521mm螺栓孔中連接凸出心圓直徑部分直徑D182.589114.5127149168200235270330387.5451D263.569.890.5108127146174.6209.6241.3301.6355.6412.5內(nèi)徑D3192538516476102127152203254305法蘭厚度t22.323.927.130.333.436.646.14344.649.355.758.8連接凸出部分高度f6.46.46.4888888888梯形槽中梯形槽深心圓直徑L42.950.868.382.6101.6123.8149.2181.0211.1269.9323.9381度E6.46.46.4888888888梯形槽寬螺栓孔數(shù)度F8.78.78.711.911.911.911.911.911.911.911.911.9量與直徑n-d4-194-194-238-198-238-238-238-2312-2312-2516-3016-33螺栓直徑M161620162020202020222730表10ANSI600RJ公稱通徑DN202540506580外徑D117124156165190210螺栓孔中連接凸出心圓直徑部分直徑D182.589114.5127149168D263.569.890.5108127146mm內(nèi)徑D3192538516476法蘭厚度t22.323.928.733.436.639.6連接凸出部分高度f6.46.46.4888梯形槽中梯形槽深心圓直徑L42.950.868.382.6101.6123.8度E6.46.46.4888梯形槽寬螺栓孔數(shù)度F8.78.78.711.911.911.9量與直徑n-d4-194-194-228-198-228-22螺栓直徑M161620162020美標法蘭標準凸面100125150200250300273330356419508559216266.5292349432489174.6209.6241.3301.6355.6412.810212715220024829846.152.555.763.671.574.7888888149.2181.0211.1269.9323.9381.088888811.911.911.911.911.911.911.911.911.911.911.911.98-228-2512-3212-3616-3620-36222730333333表11ANSI900RJ公稱通徑DN80100125150200250300外徑D241292349381470546610螺栓孔中連接凸出心圓直徑部分直徑D1190.5235279.5317.5393.5470533.5D2155.6181215.9241.3308362419.1mm內(nèi)徑D37399121146191238282法蘭厚度t46.152.558.863.671.577.987.4連接凸出梯形槽中梯形槽深梯形槽寬螺栓孔數(shù)部分高度心圓直徑f8888888L123.8149.2181.0211.1270.0323.9381.0度E8888888度F11.911.911.911.911.911.911.9量與直徑n-d8-258-338-3512-3312-3916-3920-39螺栓直徑M22303230363636表12ANSI1500RJ公稱通徑DN2540506580外徑D149178216244267螺栓孔中連接凸出心圓直徑部分直徑D1101.5124165190.5203D271.492.1123.8136.5168.3mm內(nèi)徑D32235485770法蘭厚度t3538.246.149.355.7連接凸出部分高度f6.46.4888梯形槽中梯形槽深心圓直徑L50.868.395.3度E6.46.4888梯形槽寬螺栓孔數(shù)度F8.78.711.911.911.9量與直徑n-d4-254-308-258-308-33螺栓直徑M2227222730108136.5美標法蘭標準凸面100125150200250300311375394483584673241.5292317.5393.5482.5571.5193.7228.6247.6317.5371.5438.2921111361782222646281.192.2103.3119.2138.2889.611.211.214.3162193.7211.1270323.9381889.611.211.214.311.911.913.516.716.723.08-368-4212-3912-4512-5116-55333936424852表13ANSI2500RJ公稱通徑DN2540506580100125150200250300外徑D159203235267305356419483552673762螺栓孔中連接凸出心圓直徑部分直徑D1108146171.5197228.5273324368.5438539.5619D282.6114.3133.4149.2168.3203.2241.3279.4339.7425.5495.3內(nèi)徑D319283848577392111146184219mm法蘭厚度t41.452.558.866.876.387.4104.8120.7141.3182.6201.7連接凸出部分高度f6.4889.69.611.212.712.714.317.517.5梯形槽中梯形槽深心圓直徑L60.382.6101.6111.1127157.1190.5228.6279.4342.6406.4度E6.4889.69.611.212.712.714.317.517.5梯形槽寬螺栓孔數(shù)度F8.711.911.913.513.516.719.819.823.030.233.4量與直徑n-d4-254-338-308-338368-428-488-5512-5512-6712-74螺栓直徑M2230273033394552526472美標法蘭標準凸面三、JIS10K、16K、20K、30K、40K、63K、RF、FF法蘭尺寸表表14JIS10K、RF、FF公稱通徑DN202540506580100125150200250300外徑D100125140155175185210250280330400415直徑D17590105120140150175210240290355400mm螺栓孔中心圓連接凸出部分直徑D2587085100120130155185215265325370內(nèi)徑D3192538516176102125152204254305法蘭厚度t?連接凸出部分螺栓孔數(shù)量與高度f112222222223直徑n-d4-154-194-194-194-198-198-198-238-238-2312-2516-25螺栓直徑M12161616161616202020222214/1814/1816/2016/2018/2218/2218/2420/2422/14/1814/1816/2016/2018/2218/2218/2420/2422/2622/2624/3024/32美標法蘭標準凸面表15JIS16K、RF、FF公稱通徑DN202540506580100125150200250300外徑D100125140155175200225270305350430480直徑D17560105120140160185225260305380430mm螺栓孔中心圓連接凸出部分直徑D2587085100120135160195230275345395內(nèi)徑D3192538516476102125152204254305法蘭厚度t?連接凸出部分螺栓孔數(shù)量與高度f112222222223直徑n-d4-154-194-198-198-198-238-2312-2512-2512-2512-2716-27螺栓直徑M12161616162020222222242414/1814/1816/2016/2018/2220/2422/2622/2624/2826/3028/3430/36表16JIS20K、RF、FF公稱通徑DN202540506580外徑D100125140155175200直徑D17590105120140160mm螺栓孔中心圓連接凸出部分直徑D2587085100120135內(nèi)徑D3192538516476法蘭厚度t~連接凸出部分螺栓孔數(shù)量與高度f112222直徑n-d4-154-194-198-198-198-23螺栓直徑M12161616162016/1816/2018/2218/2220/2422/26美標法蘭標準凸面10012515020025030022527030535043048018522526030538043016019523027534539510212515220425430524/2826/3028/3230/3434/3836/402222238-238-2512-2512-2512-2716-27202222222424?t值中較小值為鋼及可鍛鑄鐵法蘭；較大值為鑄鐵法蘭。表17JIS30K、RF、FF公稱通徑DN202540506580100125150200250300外徑D120130160165200210240275325370450515直徑D18595120130160170195230275320390450mm螺栓孔中心圓連接凸出部分直徑D2607090105130140160195235280345405內(nèi)徑D3192538516476102125152204254305法蘭厚度t182022222628323638424852連接凸出部分螺栓孔數(shù)量與高度f112222222223直徑n-d4-194-194-238-198-238-238-258-2512-27122712-3316-33螺栓直徑M161620162020222224243030美標法蘭標準凸面表18JIS40K、RF、FF公稱通徑DN202540506580100125150200250300外徑D120130160165200210250300355405475540直徑D18595120130160170205250295345440470mm螺栓孔中心圓連接凸出部分直徑D2607090105130140165200240290355440內(nèi)徑D3192538516476102125152200247.5298.5法蘭厚度t202224263032364044505660連接凸出部分螺栓孔數(shù)量與高度f112222222223直徑n-d4-194-194-238-198-238-238-258-2712-3312-3312-3316-39螺栓直徑M161620162020222430303036表19JIS63K、RF、FF公稱通徑DN2540506580100125外徑D140175185220230270325直徑D1100130145175185220265mm螺栓孔中心圓連接凸出部分直徑D27090105130140165200內(nèi)徑D3223548577399121法蘭厚度t27323438404450連接凸出部分螺栓孔數(shù)量與高度f1222222直徑n-dd40-234-258-238-258-258-278-33螺栓直徑M20222022222430美標法蘭標準凸面15020025030036542550056030536043048524029035541014619023828352586877222312-3312-3312-3916-3930303636四、JPI150、300、600RF、RJ法蘭尺寸表RJ法蘭表20JPI150RF公稱通徑DN202540506580100外徑D98108127152178190229直徑D170.079.598.5120.5139.5152.5190.5mm螺栓孔中心圓連接凸出部分直徑D243517392105127157內(nèi)徑D3192538516476102法蘭厚度t12.714.317.519.122.323.923.9連接凸出部分螺栓孔數(shù)量與高度f1.61.61.61.61.61.61.6直徑n-d4-154-154-154-194-194-198-19螺栓直徑M12121216161616美標法蘭標準凸面125150200250300254279343406483216.0241.5298.5362.0432.018621627032438112515220425430523.925.428.630.231.81.61.61.61.61.68-228-228-2212-2512-252020202222表21JPI300RF公稱通徑DN202540506580100125150200250300外徑D117124156165190210254279318381444521直徑D182.589.0114.5127.0149.0168.0200.0235.0270.0330.0387.5451.0mm螺栓孔中心圓連接凸出部分直徑D243517392105127157186216270324381內(nèi)徑D3192538516476102125152204254305法蘭厚度t15.917.520.722.325.428.631.835.036.641.347.750.8連接凸出部分螺栓孔數(shù)量與高度f1.61.61.61.61.61.61.61.61.61.61.61.6直徑n-d4-194-194-228-198-228-228-228-2212-2212-2516-2916-32螺栓直徑M161620162020202020222730表22JPI600RF公稱通徑DN20外徑D117直徑D182.5mm螺栓孔中心圓連接凸出部分直徑D243內(nèi)徑D319法蘭厚度t22.3連接凸出部分螺栓孔數(shù)量與高度f6.4直徑n-d4-19M16螺栓直徑美標法蘭標準凸面254050658010012515020025030012415616519021027333035641950855989.0114.5127149168216266.5292.03494324895173921051271571862162703243812538516476102125152200247.5298.523.928.731.83538.244.550.954.16269.973.16.46.46.46.46.46.46.46.46.46.46.44-194-228-198-228-228-258-2912-2912-3216-3520-351620162020222727303333表23JPI150RJ公稱通徑DN2540506580100125150200250300外徑D108127152178190229254279343406483mm螺栓孔中連接凸出心圓直徑部分直徑D179.598.5120.5139.5152.5190.5216.0241.5298.5362.0432.0D263.582.6101.6120.6133.1171.1193.7219.1273.0330.2406.1內(nèi)徑D32538516476102125152204254305梯形槽中心梯形槽深圓直徑L47.62565.08882.550101.600114.300149.225171.150193.675247.650304.200381.000度E8.7318.8318.7318.7318.7318.7318.7318.7318.7318.7318.731梯形槽寬度F6.46.46.46.46.46.46.46.46.46.46.4法蘭厚度t20.723.925.528.730.330.330.331.83536.638.2連接凸出螺栓孔數(shù)部分高度量與直徑f6.46.46.46.46.46.46.46.46.46.46.4n-d4-154154-194-194-198-198-228-228-2212-2512-25螺栓直徑M1212161616162020202222美標法蘭標準凸面表24JPI300RJ公稱通徑DN202540506580100125150200250300外徑D117124156165190210254279318381444521mm螺栓孔中連接凸出心圓直徑部分直徑D182.589.0114.5127.0149.016