Weld Neck Flange

Weld Neck Flange

Welding Neck Flanges are easy to recognize at the long tapered hub, that goes gradually over to the wall thickness from a pipe or fitting. Weld neck flange also called WN flange.

20151130161530


Specification:

ASME B16.47 - 2006 CLASS 150 SERIES A
CLASS 150 Series.A FLANGE THICKNESS LTB DRILLING DATA NOMINAL PIPE SIZE
NOMINAL PIPE SIZE FLANGE
OUTSIDE
DIAMETER
THICKNESS
OF W/N
MIN
THICKNESS
OF
BLIND
MIN
WELD
NECK
LENGTH
PITCH
CIRCLE
DIAMETER
BOLT
HOLE
DIAMETER
NUMBER
OF
BOLTS
HOLES
MM INCH OD T T1 L1 PCD H # MM INCH
650 26 870 66.7 66.7 119 806.4 35 24 650 26
700 28 925 69.9 69.9 124 863.6 35 28 700 28
750 30 985 73.1 73.1 135 914.4 35 28 750 30
800 32 1060 79.4 79.4 143 977.9 41 28 800 32
850 34 1110 81 81 148 1028.7 41 32 850 34
900 36 1170 88.9 88.9 156 1085.8 41 32 900 36
950 38 1240 85.8 85.8 156 1149.4 41 32 950 38
1000 40 1290 88.9 88.9 162 1200.2 41 36 1000 40
1050 42 1345 95.3 95.3 170 1257.3 41 36 1050 42
1100 44 1405 100.1 100.1 176 1314.4 41 40 1100 44
1150 46 1455 101.6 101.6 184 1365.2 41 40 1150 46
1200 48 1510 106.4 106.4 191 1422.4 41 44 1200 48
1250 50 1570 109.6 109.6 202 1479.6 48 44 1250 50
1300 52 1625 114.3 114.3 208 1536.7 48 44 1300 52
1350 54 1685 119.1 119.1 214 1593.8 48 44 1350 54
1400 56 1745 122.3 122.3 227 1651 48 48 1400 56
1450 58 1805 127 127 233 1708.2 48 48 1450 58
1500 60 1855 130.2 130.2 238 1759 48 52 1500 60

Flanges Catalog


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