PE管道与金属管规格对照表
PE管道与金属管规格对照表
序号塑料管道mm金属管道mm英制单位英寸法兰盘连接DD1法兰孔距b法兰片厚度N×DN法兰孔数螺栓
1Dn20Dn151/2〃9564144×14M12
2Dn25Dn203/4〃10575164×14M12
3Dn32Dn251〃11585164×14M12
4Dn40Dn321×1/4〃140100184×18M16
5Dn50Dn401×1/2〃150110184×18M16
6Dn63Dn502〃165125204×18M16
7Dn75Dn652×1/2〃185145204×18M16
8Dn90Dn803〃200160228×18M16
9Dn110Dn1004〃220180228×18M16
10Dn125Dn1255〃250210248×18M16
11Dn140
12Dn160Dn1506〃285240248×22M20
13Dn180
14Dn200
15Dn225Dn2008〃340295268×22M20
16Dn250Dn25010〃3953502612×22M20
17Dn280
18Dn315Dn30012〃4454002612×22M20
19Dn355Dn35014〃5054602616×22M20
20Dn400Dn40016〃5655152616×22M24
21Dn450Dn45018〃6155652820×26M24
22Dn500Dn50020〃6706202820×26M24
23Dn560
24Dn630Dn60024〃7807253020×30M27
25Dn710Dn700 8958403024×30M27
26Dn800Dn800 10159503224×33M27