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DIN EN 1092-1 PN-320 Flanges
Typ 01: Plate (slip-on) flanges for welding | Typ 13: Hubbed threaded flanges |
Typ 02: Loose plate flanges with weld-on plate collar | Typ 21: Integral flanges |
Typ 04: Loose plate flanges with weld-neck collar | Typ 32: Weld-on plate collars |
Typ 05: Blank (blind) flanges | Typ 33: Lapped pipe ends |
Typ 11: Weld-neck flanges | Typ 34: Weld-neck collars |
Typ 12: Hubbed slip-on flanges for welding |
D: Outside Diameter K: Diameter of Bolt Circle L: Diameter of Bolt Hole |
A: Outside Diameter of Neck E: Chamfer F: Collar thickness |
G max: Diameter of Shoulders R: Corner Radius N: Neck Diameter S: Neck Thickness (Preferred value) |
DN | Mating dimensions | A | Flange Thickness | Length | Neck Diameters |
R1 | S | ||||||||||||||||
D | K | L | Bolting | ||||||||||||||||||||
No | Size | C2 | C3 | H2 | H3 | N1 | N3 | ||||||||||||||||
Flange type | |||||||||||||||||||||||
11, 21 | 11 21* |
11 | 21 | 11 | 11 | 11 | 21 | 11 | 21 | 11 | |||||||||||||
10 | 125 | 85 | 18 | 4 | M16 | 17.2 | 24 | 24 | 58 | - | 44 | 46 | 4 | 4 | 2.6 | ||||||||
15 | 130 | 90 | 18 | 4 | M16 | 21.3 | 26 | 26 | 60 | 6 | 48 | 52 | 4 | 4 | 3.2 | ||||||||
25 | 160 | 115 | 22 | 4 | M20 | 33.7 | 34 | 34 | 78 | 8 | 68 | 72 | 4 | 5 | 5.0 | ||||||||
40 | 195 | 145 | 26 | 4 | M24 | 48.3 | 38 | 38 | 88 | 10 | 92 | 96 | 6 | 5 | 6.3 | ||||||||
50 | 210 | 160 | 26 | 8 | M24 | 63.5 | 42 | 42 | 100 | 10 | 106 | 110 | 6 | 6 | 8.0 | ||||||||
65 | 255 | 200 | 30 | 8 | M24 | 88.9 | 51 | 51 | 120 | 12 | 138 | 137 | 6 | 6 | 11.0 | ||||||||
80 | 275 | 220 | 30 | 8 | M27 | 101.6 | 55 | 55 | 130 | 14 | 156 | 160 | 8 | 5 | 12.5 | ||||||||
100 | 335 | 265 | 36 | 8 | M33 | 133.0 | 65 | 65 | 145 | 16 | 186 | 190 | 8 | 8 | 16.0 | ||||||||
125 | 380 | 310 | 36 | 12 | M33 | 168.3 | 75 | 75 | 175 | 20 | 230 | 235 | 8 | 8 | 20.0 | ||||||||
150 | 425 | 350 | 39 | 12 | M36 | 193.7 | 84 | 84 | 195 | 25 | 265 | 266 | 10 | 10 | 25.0 | ||||||||
200 | 525 | 440 | 42 | 16 | M39 | 244.5 | 103 | 103 | 235 | 30 | 345 | 350 | 10 | 10 | 30.0 | ||||||||
250 | 640 | 540 | 52 | 16 | M48 | 323.9 | 125 | 125 | 300 | 40 | 428 | 432 | 12 | 10 | 40.0 |