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EN 1092-1 PN-320 Flanges

DIN EN 1092-1 PN-320 Flanges
 

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Types of flanges (typ) up to DIN EN 1092-1
 
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

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