（４） Rring gasket to F type union flange for screwed type malleable cast iron pipe fittings

Products Product Dimension Standard Applicable Flange Standard
Joint Sheet Gasket VALQUA Standard JIS B 2301
1.1.4
Table 1．1．4　Unit mm
Nominal Dia Type F Union Flange Union Thickness
ID
d1		 OD
D1		 ID
d2		 OD
D2
⅛ 13 18 - - 1.0

1.5

2.0

3.0
¼ 17 23 - -
⅜ 21 28 - -
½ 25 32 22 38
¾ 31 39 28 44
1 39 48 35 52
1¼ 47 57 43 64
1½ 54 65 49 70
2 66 79 61 83
2½ 82 97 77 102
3 96 111 90 115
3½ 109 126 102 129
4 122 141 115 143
5 151 170 141 170
6 178 200 167 200


　　　



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