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Dimensions of split and one-piece flange clamps

Date:May 25, 2019


ISO 6162-1:2012(E) define dimensions of  split flange clamps assemblies, including screws, shall be in accordance with Figure 1 (for split flange clamp) and Table 1. 

Dimensions of type one-piece flange clamps assemblies, including screws, shall be in accordance with  Figure 2 (for one-piece clamp) and Table 2.


Unless otherwise specified, tolerances shall be in accordance with ISO 2768-1, class designation m (medium).


Dimension chart szie of sae code 61 split flange types ISO 6162-1

Split flange clamp (FCS or FCSM)

Dimension chart szie of sae code 61 one piece  flange clamps types ISO 6162-1

One-piece flange clamp (FC or FCM)


Dimensions of split and one-piece flange clamps Dimensions in millimetres

ISO 6162-1 Dimensions of split and one-piece flange clamps


Nominal size DN d4 d5 d6 d7 l3 l4 l5 l6 ±0,25 ±0,25 ±0,15 min ±0,15 ±0,5 ±0,8 max min 


13 30,95 24,25 8,9 16,5 6,2 12,7 19 54,9 53,1 

19 38,90 32,15 10,6 20,5 6,2 14,2 22,5 65,8 64,3 

25 45,25 38,50 10,6 20,5 7,5 15,8 24 70,6 69,1 

32 51,60 43,70 10,6a 24,5 7,5 14,2b 22,5c 80,3 78,5 

38 61,10 50,80 13,3 26 7,5 15,8 25,5 94,5 93,0 

51 72,25 62,75 13,5 26 9,0 15,8 26 103,1 100,1 

64 84,95 74,95 13,5 26 9,0 19,1 38 115,8 112,8 

76 102,40 90,95 16,7 32,5 9,0 22,4 41 136,7 133,4 

89 115,10 102,40 16,7 32,5 10,7 22,4 28,5 153,9 150,9 

102 127,80 115,10 16,7 32,5 10,7 25,4 35 163,6 160,3 

127 153,20 140,50 16,7 32,5 10,7 28,5 41 185,7 182,6

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