化工部平焊法兰标准.docx

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1、公称压力(PN)MPa公称通径DN管子外径A1连接尺寸法兰厚度C法兰内径B1密封面尺寸理论重量kgA系列B系列法兰外径D螺栓孔中心圆直径K螺栓孔直径L螺栓孔数量n螺纹ThA系列B系列直径d高度f10.251017.2147550114M101218153320.360.251521.3188055114M101222193820.410.252026.9259065114M101427.5264820.60.252533.73210075114M101434.5335820.730.253242.43812090144M121643.5396921.190.2540

2、48.345130100144M121649.5467821.380.255060.357140110144M121661.5598821.510.256576.176160130144M121677.57810821.850.258088.989190150184M161890.59112422.940.25100114.3108210170184M161811611014423.410.25125139.7133240200188M1620141.513517424.530.25150168.3159265225188M1620170.516119925.140

3、.25200219.1219320280188M1622221.522225426.850.25250273.02733753351812M1624276.527630928.960.25300323.93254403952212M2024327.5328363211.90.25350355.63774904452212M2026359.5381413214.30.25400406.44265404952216M2028411430463217.10.61017.2147550114M101218153320.360.61521.3188055114M1012221

4、93820.410.62026.9259065114M101427.5264820.60.62533.73210075114M101434.5335820.730.63242.43812090144M121643.5396921.190.64048.345130100144M121649.5467821.380.65060.357140110144M121661.5598821.510.66576.176160130144M121677.57810821.850.68088.989190150184M161890.59112422.940.6100114.31082

5、10170184M161811611014423.410.6125139.7133240200188M1618141.513517424.080.6150168.3159265225188M1620170.516119925.140.6200219.1219320280188M1622221.522225426.850.6250273.02733753351812M1624276.527630928.960.6300323.93254403952212M2024327.5328363211.90.6350355.63774904452212M2026359.5381

6、413214.30.6400406.44265404952216M2028411430463217.11.01017.2149060144M121418154120.611.01521.3189565144M121422194620.681.02026.92510575144M121627.5265620.941.02533.73211585144M121634.5336521.121.03242.438140100184M161843.5397621.861.04048.345150110184M161849.5468422.121.05060.357165125

7、184M162061.5599922.771.06576.176185145184M162077.57811823.311.08088.989200160188M162090.59113223.591.0100114.3108220180188M162211611015624.571.0125139.7133250210188M1622141.513518425.651.0150168.3159285240228M2024170.516121127.611.0200219.1219340295228M2024221.522226629.241.0250273.0