A concentric reducer is a type of fitting that is symmetrical, with a cone-shaped transition from one diameter to another, where the centerline of both pipes remains in the same axis.
The EN10253-4 standard is a European standard that specifies the design and dimensions of butt-welding fittings for use with metal tubes and pipes in the petroleum, petrochemical, and allied industries.
Dimensions & free CAD files
Diameter 1 (D1) Diameter 2 (D2) Thickness (t) Download 3D CAD file Length (L) 17,2 13,7 2 https://a360.co/3IdO73H 11 21,3 13,7 2 https://a360.co/3ob5KJz 23 21,3 17,2 2 https://a360.co/3IfSyLF 12 26,9 13,7 2 https://a360.co/3ElJ1jF 40 26,9 17,2 2 https://a360.co/31oMWxP 29 26,9 21,3 2 https://a360.co/3pCW8qL 17 33,7 13,7 2 https://a360.co/3lvGdZR 60 33,7 17,2 2 https://a360.co/31nieom 50 33,7 21,3 2 https://a360.co/3G8oxeU 37 33,7 26,9 2 https://a360.co/31phP56 20 38,1 25,4 1,5 https://a360.co/3lppAyP 39 42,4 13,7 2 https://a360.co/3xLweEy 86 42,4 17,2 2 https://a360.co/3xImWJG 76 42,4 21,3 2 https://a360.co/3IdPeAp 63 42,4 26,9 2 https://a360.co/3dbLpO1 46 42,4 33,7 2 https://a360.co/3degws8 26 44,5 24 2 https://a360.co/3Ejau5p 60 44,5 28 2 https://a360.co/3Ecsw9w 45 44,5 34 2 https://a360.co/3Ie2G7t 30 48,3 17,2 2 https://a360.co/3daP5iS 93 48,3 21,3 2 https://a360.co/3EiKFT4 81 48,3 26,9 2 https://a360.co/3Ew3MJL 64 48,3 33,7 2 https://a360.co/3IfU5RV 44 48,3 42,4 2 https://a360.co/32MpDyh 18 50,8 25,4 1,5 https://a360.co/3Dg32XD 78 50,8 38,1 1,5 https://a360.co/3ofCWzR 39 54 24 2 https://a360.co/3lrSmiq 90 54 28 2 https://a360.co/3G6DFct 75 54 34 2 https://a360.co/31dJTsx 60 54 44 2 https://a360.co/2ZP5Ptc 30 60,3 21,3 2 https://a360.co/3DaxxhH 117 60,3 26,9 2 https://a360.co/3xO4JKU 100 60,3 33,7 2 https://a360.co/3DiwpbL 80 60,3 42,4 2 https://a360.co/3GdbsRz 54 60,3 48,3 2 https://a360.co/3IhvnRc 36 60,3 48,3 3 https://a360.co/3G7ZLLL 36 63,5 25,4 1,5 https://a360.co/3DijFlg 114 63,5 38,1 1,5 https://a360.co/3DfT7RG 75 63,5 50,8 1,5 https://a360.co/3oewXek 36 64 54 2 https://a360.co/31e1Eba 30 69 34 2 https://a360.co/3Ecv1IW 105 69 44 2 https://a360.co/3EbOOs1 75 69 54 2 https://a360.co/3G8VrvE 45 76,1 26,9 2 https://a360.co/3DfTITq 148 76,1 33,7 2 https://a360.co/3xLyYln 127 76,1 42,4 2 https://a360.co/3lsM3uY 101 76,1 42,4 3 https://a360.co/31dvJYl 101 76,1 48,3 2 https://a360.co/3Eg8gnx 83 76,1 48,3 3 https://a360.co/3lpUR52 83 76,1 25,4 1,5 https://a360.co/3of04OR 153 76,1 38,1 1,5 https://a360.co/3pmsTbf 114 76,1 50,8 1,5 https://a360.co/3EkaQsw 75 76,1 63,5 1,5 https://a360.co/3loX808 39 76,1 60,3 2 https://a360.co/3G1RYPw 47 76,1 60,3 3 https://a360.co/3rqxewU 47 84 44,5 2 https://a360.co/32Uh8Bt 120 84 54 2 https://a360.co/3pkk0z3 90 84 64 2 https://a360.co/3pemjU8 60 84 69 2 https://a360.co/3xPCBXM 45 84 74 2 https://a360.co/3EwaZcN 30 88,9 33,7 2 https://a360.co/3GnHv1h 166 88,9 42,4 2 https://a360.co/3dipiW1 139 88,9 48,3 2 https://a360.co/3DabCHm 122 88,9 48,3 3 https://a360.co/3xNsAKk 122 88,9 60,3 2 https://a360.co/3xObhcs 86 88,9 60,3 3 https://a360.co/3rut9aU 86 88,9 76,1 2 https://a360.co/3rseoW2 38 88,9 76,1 3 https://a360.co/3dhc6kc 38 101,6 38,1 1,5 https://a360.co/3ofkuHl 198 101,6 50,8 1,5 https://a360.co/3IfDEoE 159 101,6 63,5 1,5 https://a360.co/3EgzGJL 123 101,6 76,1 1,5 https://a360.co/3lsCBYI 84 104 54 2 https://a360.co/3ElSbg3 150 104 64 2 https://a360.co/3G6TeRt 120 104 69 2 https://a360.co/3pntgST 105 104 74 2 https://a360.co/3Dd2r8Z 90 104 84 2 https://a360.co/3DkSgPD 60 114,3 26,9 2 https://a360.co/3ofVBeB 262 114,3 33,7 2 https://a360.co/2ZK5yHM 242 114,3 42,4 2 https://a360.co/3rqaw89 216 114,3 48,3 2 https://a360.co/3xLaCbu 198 114,3 60,3 2 https://a360.co/3EkfFlC 162 114,3 60,3 3 https://a360.co/3ofUf3K 162 114,3 76,1 2 https://a360.co/3lsFuZB 115 114,3 76,1 3 https://a360.co/3pkNFrR 115 114,3 88,9 2 https://a360.co/31nsEV0 76 114,3 88,9 3 https://a360.co/3G5jUCa 76 129 54 2 https://a360.co/32XuwoB 225 129 69 2 https://a360.co/3pjkOEu 180 129 76,1 2 https://a360.co/3rtotSB 159 129 84 2 https://a360.co/3IdQrIg 135 129 101,6 2 https://a360.co/3EgQZuz 82 129 104 2 https://a360.co/3xOdvZm 75 131 86 3 https://a360.co/3oeWvrR 135 131 106 3 https://a360.co/3rrSa6L 75 139,7 60,3 2 https://a360.co/3lsETqI 238 139,7 60,3 3 https://a360.co/3xLHgts 238 139,7 76,1 2 https://a360.co/31lJJyW 191 139,7 76,1 3 https://a360.co/3odOTpp 191 139,7 88,9 2 https://a360.co/3I9vCxD 152 139,7 88,9 3 https://a360.co/3ocVMYg 152 139,7 114,3 2 https://a360.co/31mUJvM 76 139,7 114,3 3 https://a360.co/3luWWMR 76 154 54 2 https://a360.co/3ry8EKu 300 154 69 2 https://a360.co/3ofYfRz 255 154 70 2 https://a360.co/3deZhXT 255 154 84 2 https://a360.co/3Icth4W 210 154 101,6 2 https://a360.co/3DaeTGE 157 154 104 2 https://a360.co/3DeqcNZ 150 154 129 2 https://a360.co/3xNsp1Z 75 156 86 3 https://a360.co/3ofWPXu 210 156 106 3 https://a360.co/32Uo3ur 150 156 131 3 https://a360.co/3d9XcfJ 75 168,3 60,3 2 https://a360.co/31ksbTF 324 168,3 76,1 2 https://a360.co/3ruPZiQ 277 168,3 76,1 3 https://a360.co/3DfPV8I 277 168,3 88,9 2 https://a360.co/3Idw8un 238 168,3 88,9 3 https://a360.co/3pf2XhQ 238 168,3 114,3 2 https://a360.co/3EobN3m 162 168,3 114,3 3 https://a360.co/3DfQdMQ 162 168,3 139,7 2 https://a360.co/3IdtFA9 86 168,3 139,7 3 https://a360.co/3G49lze 86 204 84 2 https://a360.co/3ruY4nM 360 204 104 2 https://a360.co/3IfHzBS 300 204 129 2 https://a360.co/3oe5bP3 225 204 154 2 https://a360.co/3EgW06l 150 206 106 3 https://a360.co/3xLdTri 300 206 131 3 https://a360.co/3G6KElU 225 206 156 3 https://a360.co/3ofY0WU 45 219,1 88,9 2 https://a360.co/3Iea5Ub 391 219,1 88,9 3 https://a360.co/3rsPt4N 391 219,1 114,3 2 https://a360.co/3xZpm6Z 314 219,1 114,3 3 https://a360.co/3EgKcAN 314 219,1 139,7 2 https://a360.co/3xNtHtR 238 219,1 139,7 3 https://a360.co/3EgEAq9 238 219,1 168,3 2 https://a360.co/31qvVCY 152 219,1 168,3 3 https://a360.co/3oekaZq 152 254 104 2 https://a360.co/31qqu7n 450 254 129 2 https://a360.co/3deKtZ8 375 254 154 2 https://a360.co/3EjnCrd 300 254 204 2 https://a360.co/3dh2p5i 150 256 106 3 https://a360.co/2ZKd45u 450 256 131 3 https://a360.co/3Dn67oY 375 256 156 3 https://a360.co/3onXXZf 300 256 206 3 https://a360.co/32T8CTj 150 273 114,3 2 https://a360.co/3GdlOAV 476 273 114,3 3 https://a360.co/3dcXWAO 476 273 139,7 2 https://a360.co/31mXqNU 400 273 139,7 3 https://a360.co/3Ejw8Xc 400 273 168,3 2 https://a360.co/3ruybnO 314 273 168,3 3 https://a360.co/3dbWP4w 314 273 219,1 2 https://a360.co/3oe6Unv 162 273 219,1 3 https://a360.co/3EjoLPx 162 304 104 2 https://a360.co/3xU31HS 600 304 129 2 https://a360.co/3odWLr0 525 304 154 2 https://a360.co/3xOeY1r 450 304 204 2 https://a360.co/2ZL21Jk 300 304 254 2 https://a360.co/31lIxMe 150 306 106 3 https://a360.co/3rv07Z0 600 306 156 3 https://a360.co/3G4lg03 450 306 206 3 https://a360.co/3rs8aWa 300 306 256 3 https://a360.co/3ogBrkK 150 323,9 114,3 2 https://a360.co/2ZKtQkX 629 323,9 114,3 3 https://a360.co/3Ejstsv 629 323,9 139,7 2 https://a360.co/3EwjzZ3 553 323,9 139,7 3 https://a360.co/2ZORoW0 553 323,9 168,3 2 https://a360.co/31l2vq0 467 323,9 168,3 3 https://a360.co/3ohBInK 467 323,9 219,1 2 https://a360.co/3pnM58y 314 323,9 219,1 3 https://a360.co/3deNDMu 314 323,9 273 2 https://a360.co/3ElZYdN 153 323,9 273 3 https://a360.co/3deHpMS 153 354 154 2 https://a360.co/3og3iS1 600 354 204 2 https://a360.co/3DiyaFI 450 354 254 2 https://a360.co/3pnMec6 300 354 304 2 https://a360.co/3xIEqFO 150 355,6 168,3 3 https://a360.co/3IcxPZ4 562 355,6 219,1 3 https://a360.co/3dh60Ak 410 355,6 273 3 https://a360.co/3poXdSV 248 355,6 323,9 3 https://a360.co/32UsvJF 95 356 156 3 https://a360.co/3pojG2n 600 356 206 3 https://a360.co/3G98vRI 450 356 219,1 3 https://a360.co/3lt56FM 410 356 256 3 https:// a360.co/3Ib9Idh 300 356 306 3 https://a360.co/3xOiiJX 150 404 204 2 https://a360.co/3xSXQrx 600 404 254 2 https://a360.co/3Dbvgm9 450 404 304 2 https://a360.co/3rtw9Ep 300 404 354 2 https://a360.co/3dc0IGE 150 406 206 3 https://a360.co/3G242Ai 600 406,4 219,1 3 https://a360.co/3ruD7ZZ 562 406 256 3 https://a360.co/3lvWP3F 450 406,4 273 3 https://a360.co/3ruuHla 400 406 306 3 https://a360.co/3obpLjb 300 406,4 323,9 3 https://a360.co/3ofuKPR 248 406 356 3 https://a360.co/3lvp82m 150 456 256 3 https://a360.co/3IhJg1M 600 456 306 3 https://a360.co/3GnQAan 450 456 356 3 https://a360.co/3xJNJVO 300 456 406 3 https://a360.co/3Ekc6fj 150 457,2 219,1 3 https://a360.co/2ZOTO72 714 457,2 273 3 https://a360.co/3G8NM0o 553 457,2 323,9 3 https://a360.co/3lt0IGN 400 457,2 355,6 3 https://a360.co/3pjxCuu 305 457,2 406,4 3 https://a360.co/3Ekp4JW 152 506 256 3 https://a360.co/3xLOSfz 750 506 306 3 https://a360.co/3DhBe5c 600 506 356 3 https://a360.co/3oi5BUV 450 506 406 3 https://a360.co/3dcgXmR 300 506 456 3 https://a360.co/3DeFG4I 150 508 273 3 https://a360.co/3IdYrZG 705 508 323,9 3 https://a360.co/3EkcQ45 552 508 355,6 3 https://a360.co/31nCmqq 456 508 406,4 3 https://a360.co/31kzvi7 305 508 457,2 3 https ://a360.co/3EgkxIw 152 606 306 3 https://a360.co/3xSZFVp 900 606 356 3 https://a360.co/3EkMejE 750 606 406 3 https://a360.co/31qwuwV 600 606 456 3 https://a360.co/3DhBVeO 450 606 506 3 https://a360.co/3df7E5L 300 609,6 323,9 3 https://a360.co/3EiA1fg 857 609,6 355,6 3 https://a360.co/3Eh94Zn 762 609,6 406,4 3 https://a360.co/3IptxOf 610 609,6 457,2 3 https://a360.co/3odXY1t 457 609,6 508 3 https://a360.co/3lv4qPX 305