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美标法兰

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美标法兰

  • 所属分类:法兰

  • 点击次数:
  • 发布日期:2018/10/15
  • 在线询价
详细介绍

  美标法兰是使管子与管子相互连接的零件,连接于管端。法兰连接或法兰接头,是指由法兰、垫片及螺栓三者相互连接作为一组组合密封结构的可拆连接,管道法兰系指管道装置中配管用的法兰,用在设备上系指设备的进出口法兰。

美标法兰

  法兰上有孔眼,螺栓使两法兰紧连。法兰间用衬垫密封。法兰分螺纹连接(丝接)法兰和焊接法兰。美标法兰压力是以磅表示,例如:class150、class300等等(class150LB指150磅压力,等同于的PN2.0压力,美标按英寸称呼(例如1",2",3"等等)美标法兰分ASMEB16.5和ASMEB16.47等。

 

  美标法兰的具体标准划分

ANSI 150RJ  单位:mm

公称通径外径螺栓孔中心圆直径连接凸出部分直径内径法兰厚度连接凸出部分高度梯形槽中心圆直径梯形槽深度梯形槽宽度螺栓孔数量与直径螺栓直径
DNDD1D2D3tfLEFn-dM
2510879.563.52520.76.447.66.48.74-1512
4012798.582.63823.96.465.16.48.74-1512
50152120.5101.65125.56.482.66.48.74-1916
65178139.5120.66428.76.4101.66.48.74-1916
80190152.5133.47630.36.4114.36.48.74-1916
100229190.5171.410230.36.4149.26.48.78-1916
125254216193.712730.36.4171.56.48.78-2320
150279241.5219.115231.86.4193.66.48.78-2320
200343298.5273203356.4247.76.48.78-2320
250406362330.225436.66.4304.86.48.712-2522
300483432406.430538.26.43816.48.712-2522

 

ANSI 300RJ  单位:mm

公称通径外径螺栓孔中心圆直径连接凸出部分直径内径法兰厚度连接凸出部分高度梯形槽中心圆直径梯形槽深度梯形槽宽度螺栓孔数量与直径螺栓直径
DNDD1D2D3tfLEFn-dM
2011782.563.51922.36.442.96.48.74-1916
251248969.82523.96.450.86.48.74-1916
40156114.590.53827.16.468.36.48.74-2320
501651271085130.3882.6811.98-1916
651901491276433.48101.6811.98-2320
802101681467636.68123.8811.98-2320
100254200174.610246.18149.2811.98-2320
125279235209.6127438181.0811.98-2320
150318270241.315244.68211.1811.912-2320
200381330301.620349.38269.9811.912-2522
250444387.5355.625455.78323.9811.916-3027
300521451412.530558.88381811.916-3330

ANSI 600RJ  单位:mm

公称通径外径螺栓孔中心圆直径连接凸出部分直径内径法兰厚度连接凸出部分高度梯形槽中心圆直径梯形槽深度梯形槽宽度螺栓孔数量与直径螺栓直径
DNDD1D2D3tfLEFn-dM
2011782.563.51922.36.442.96.48.74-1916
251248969.82523.96.450.86.48.74-1916
40156114.590.53828.76.468.36.48.74-2220
501651271085133.4882.6811.98-1916
651901491276436.68101.6811.98-2220
802101681467639.68123.8811.98-2220
100273216174.610246.18149.2811.98-2222
125330266.5209.612752.58181.0811.98-2527
150356292241.315255.78211.1811.912-3230
200419349301.620063.68269.9811.912-3633
250508432355.624871.58323.9811.916-3633
300559489412.829874.78381.0811.920-3633

900RJ  单位:mm

公称通径外径螺栓孔中心圆直径连接凸出部分直径内径法兰厚度连接凸出部分高度梯形槽中心圆直径梯形槽深度梯形槽宽度螺栓孔数量与直径螺栓直径
DNDD1D2D3tfLEFn-dM
80241190.5155.67346.18123.8811.98-2520
1002922351819952.58149.2811.98-3330
125349279.5215.912158.58181.0811.98-3532
150381317.5241.314663.68211.1811.912-3330
200470393.530819171.58270.0811.912-3936
25054647036223877.98323.9811.916-3936
300610533.5419.128287.48381.0811.920-3936

ANSI 1500RJ  单位:mm

公称通径外径螺栓孔中心圆直径连接凸出部分直径内径法兰厚度连接凸出部分高度梯形槽中心圆直径梯形槽深度梯形槽宽度螺栓孔数量与直径螺栓直径
DNDD1D2D3tfLEFn-dM
25149101.571.422356.450.86.48.74-2522
4017812492.13538.26.468.36.48.74-3027
50216165123.84846.1895.3811.98-2522
65244190.5136.55749.38108811.98-3027
80267203168.57055.78136.5811.98-3330
100311241.5193.792628162811.98-3633
125375292228.611181.18193.7811.98-4239
150394317.5247.613692.29.6211.19.613.512-3936
200483393.5317.5178103.311.227011.216.712-4542
250584482.5371.5222119.211.2323.911.216.712-5148
300673571.5438.2264138.214.338114.323.016-5552

ANSI 2500RJ  单位:mm

公称通径外径螺栓孔中心圆直径连接凸出部分直径内径法兰厚度连接凸出部分高度梯形槽中心圆直径梯形槽深度梯形槽宽度螺栓孔数量与直径螺栓直径
DNDD1D2D3tfLEFn-dM
2515910882.61941.46.460.36.48.74-2522
40203146114.32852.5882.6811.94-3330
50235171.5133.43858.88101.6811.98-3027
65267197149.24866.89.6111.19.613.58-3330
80305228.5168.35776.39.61279.613.58-3633
100356273203.27387.411.2157.111.216.78-4239
125419324241.392104.812.7190.512.719.88-4845
150483368.5279.4111120.712.7228.612.719.88-5552
200552438339.7146141.714.3279.414.323.012-5552
250673539.5425.5184182.617.5342.617.530.212-6764
300762619495.3219201.717.5406.417.533.412-7472

CLASS 150RF  单位:mm 

DNNPSDKL螺栓n-ThdfC
25110874.5154-M1451212
4011/212798.5154-M1473215
502152120.5184-M1692216
6521/2178139.5184-M16105218
803190152.5184-M16127219
1004229190.5188-M16157224
1255254216228-M20186224
1506279241.5228-M20216226
2008343298.5228-M20270229
250104063622612-M24324231
300124834322612-M24381232
350145334762912-M27413235
400165795402916-M27470237
450186355783216-M30533240
500206996353220-M30584243
60024813749.53520-M33692248
70028927863.53528-M33800272
8003210609784128-M39914281

CLASS 300RF  单位:mm

DNNPSDKL螺栓n-ThdfC
25112489194-M1651218
4011/2156114.5224-M2073221
502165127198-M1692223
6521/2190149228-M20105226
803210168.5228-M20127229
1004254200228-M20157232
1255279235228-M20186235
15063182702212-M20216237
20083813302612-M24270242
25010445387.52916-M27324248
300125214513216-M30381251
35014584514.53220-M30413254
40016648571.53520-M33470258
45018711628.53524-M33533261
500207756863524-M33584264
600249148134124-M39692270
7002810359404528-M42800286
80032114910545228-M48914299

CLASS 600RF  单位:mm

DNNPSDKL螺栓n-ThdfC
25112489194-M16516.418
4011/2165114.5224-M20736.423
502165127198-M16926.426
6521/2190149228-M201056.429
803210168228-M201276.432
1004273216268-M241576.438
1255330266.5298-M271866.445
15063562922912-M272166.448
20084193493212-M302706.456
250105084323516-M333246.464
300125594893520-M333816.467
350146035273820-M364136.470
400166866034120-M394706.477
450187436544420-M425336.483
500208137244424-M425846.489
600249408385224-M486926.4102
700281037965.25428-M488006.4111
8003211491079.56028-M569146.4117


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关键词:美标法兰,法兰,美标法兰标准

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