FLANGES

●Please refer to "COMMON DIMENSIONS" for outside diameter (OD), thickness (T)
and length (l) of straight end length.
●Standard material used for clean lap loose flanges is SUS304.
●The fillet welded interior of the pipe flange is polished, and its surface.
●Flanges conform to JIS B2220 specifications.
Pipe flanges and polished flanges are RF type.
●"JIS B2202 flange gasket seat size" applies to our teflon packing measurement.
●Please contact us when you need information about JIS20K.
●We updated the length (FP) of the pipe flanges(2014.4).
Nominal
size		 Clean lap Pipe flange
 Nominal
size		 Clean lap  Pipe
flange
Lenghth Diameter
of
lap		 Corner Length Length Diameter of
lap		 Corner  Length
OD FF 10K 5K R FP OD FF G R  FP
10A 55 46 39 1.5〜3 55 3/4" 55 51  1.5〜3 55
15A 55 51 44 1.5〜3 55 1" 55 56  1.5〜3 55
20A 55 56 49 1.5〜3 55 1 1/4" 55 67  1.5〜3 55
25A 55 67 59 1.5〜3 55 1 1/2" 70 76  2〜4 70
32A 70 76 70 2〜4 70 2" 70 81  2〜4 70
40A 70 81 75 2〜4 70 2 1/2" 70 96  2〜4 70
50A 70 96 85 2〜4 70 3" 75 116  2.5〜5 75
65A 75 116 110 2.5〜5 75 4" 75 136  2.5〜5 75
80A 75 126 121 2.5〜5 75 5" 85 182  3〜6 85
100A 75 151 141 2.5〜5 75 6" 90 212  3〜6 90
125A 85 182 176 3〜6 85  
150A 90 212 206 3〜6 90  
200A 90 262 252 3〜6 90  

Nominal
Size		 JIS flange  Teflon
packing		 Nominal
size		 Flange Teflon
packing
JIS10K JIS5K JIS 10K, 5K OD T No.
of
bolts		 Dia
of
bolt		 OD ID
OD T No.
of
bolts		 Dia.
of
bolt		 OD T No.
of
bolts		 Dia.
of
bolt		 OD
 ID OD
OD D FT N M D FT N M 10K 5K OD D FT N M
10A 90 12 4 M12 75 9 4 M10 53 18 45 3/4" 95 12 4 M12 58 19.5
15A 95 12 4 M12 80 9 4 M10 58 22 50 1" 100 14 4 M12 63 26
20A 100 14 4 M12 85 10 4 M10 63 28 55 1 1/4" 125 14 4 M16 74 32.5
25A 125 14 4 M16 95 10 4 M10 74 35 65 1 1/2" 135 16 4 M16 84 38.5
32A 135 16 4 M16 115 12 4 M12 84 43 78 2" 140 16 4 M16 89 51.5
40A 140 16 4 M16 120 12 4 M12 89 49 83 2 1/2" 155 16 4 M16 104 64
50A 155 16 4 M16 130 14 4 M12 104 61 93 3" 175 18 4 M16 124 77
65A 175 18 4 M16 155 14 4 M12 124 77 118 4" 195 18 8 M16 144 102.5
80A 185 18 8 M16 180 14 4 M16 134 90 129 5" 250 20 8 M20 190 128
100A 210 18 8 M16 200 16 8 M16 159 115 149 6" 280 22 8 M20 220 153.5
125A 250 20 8 M20 235 16 8 M16 190 141 184
150A 280 22 8 M20 265 18 8 M16 220 167 214
200A 330 22 12 M20 320 20 8 M20 270 218 260

 Clean lap Pipe flange 
 
Flange Teflon packing