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Dimensions of PN 25 flanges

This diagram illustrates the arrangement but not necessarily the correct number of bolt holes K D L
This diagram illustrates the arrangement but not necessarily the correct number of bolt holes
Flange type 01 C 1 B 1
Flange type 01
Flange type 02 and 32 B 2 B 1 d 1 E C 1 F 1
Flange type 02 and 32
Flange type 02 and 35 C 1 A S d 1 H 4 F 2
Flange type 02 and 35
Flange type 04 and 34 A B 3 S N 1 d 1 E H 2 F 1 C 1 H 3
Flange type 04 and 34
Flange type 05 C 4 G max
Flange type 05
Flange type 11 H 2 A N 1 S C 2 H 3 R 1
Flange type 11
Flange type 01 N 2 C 2 R 1 H 1 B 1
Flange type 12
Flange type 13 N 2 C 2 R 1 H 1
Flange type 13
Flange type 21 N 3 C 3 A C 3 N 3 R 1 R 1
Flange type 21

DNOutside diameter $ D $ , in $ \mathrm{mm} $ Diameter of bolt circle $ K $ , in $ \mathrm{mm} $ Diameter of bolt hole $ L $ , in $ \mathrm{mm} $ Number of boltsBolts sizeOutside diameter of neck $ A $ , in $ \mathrm{mm} $ Bore diameters $ B_1 $ , in $ \mathrm{mm} $ Bore diameters $ B_2 $ , in $ \mathrm{mm} $ Bore diameters $ B_3 $ , in $ \mathrm{mm} $ Flange thickness $ C_1 $ , in $ \mathrm{mm} $ Flange thickness $ C_2 $ , in $ \mathrm{mm} $ Flange thickness $ C_3 $ , in $ \mathrm{mm} $ Flange thickness $ C_4 $ , in $ \mathrm{mm} $ Chamfer $ E $ , in $ \mathrm{mm} $ Collar thickness $ F_1 $ , in $ \mathrm{mm} $ Collar thickness $ F_2 $ , in $ \mathrm{mm} $ Centre portion $ G_{max} $ , in $ \mathrm{mm} $ Length $ H_1 $ , in $ \mathrm{mm} $ Length $ H_2 $ , in $ \mathrm{mm} $ Length $ H_3 $ , in $ \mathrm{mm} $ Length $ H_4 $ , in $ \mathrm{mm} $ Neck diameters $ N_1 $ , in $ \mathrm{mm} $ Neck diameters $ N_2 $ , in $ \mathrm{mm} $ Neck diameters $ N_3 $ , in $ \mathrm{mm} $ Corner radius $ R_1 $ , in $ \mathrm{mm} $
109060144M1217.2182131141616163125-22356352830284
159565144M1221.3222535141616163125-22386383235324
2010575144M1226.927.53142161818184146-26406404045404
2511585144M1233.734.53849161818184147-28406404652504
32140100184M1642.443.54759181818185148-30426425660606
40150110184M1648.349.55367181818185148-32457456470706
50165125184M1660.361.565772020202051610-34488487584846
65185145188M1676.177.5819622222222616115538521052901041046
80200160188M1688.990.594114242424246181270405812581051181208
100235190228M20114.3116120138262424246201490446512651341451428
125270220268M24139.7141.51451662826262662216115486812681621701628
150300250268M24168.3170.517419430282828624181405275127519220019210
2003603102612M24219.1221.522625032303030626181905280168024425625210
2504253703012M27273276.528130235323232826182356088188829831030412
3004854303016M27323.9327.533335638343434828202856792189235236436412
3505554903316M30355.6359.53654084238383883222332721002010039841841812
4006205503616M33406.44114164624840404083424380781102011045247247212
4506706003620M334574624675105446465083626425841102011050052052012
5007306603620M33508513.55195685848485183828475901252012555858058012
6008457703920M36610616.562267068485866840305751001252012566068468412
7009608754224M39711-721-8550--8-30--12920125760-78012
80010859904824M45813-824-9553--8-35--13822135864-88212
900118510904828M45914----57-------14824-968-98212
1000132012105628M521016----63-------16024-1070-108616
1200153014205632M521219-------------------
1400175516406236M561422-------------------
1600197518606240M561626-------------------
1800219520707044M641829-------------------
2000242523007048M642032-------------------