Forged Flanges – Dimensions

ASME B16.47-B (API 605)

LARGE DIAMETER FLANGES SPECIFICATIONS ASME B16.47-B (API-605)

RATINGNOMINAL PIPE SIZE
mm
OD FLANGE
O
FLANGE THICKNESS WELD NECK
QA
FLANGE THICKNESS BLIND
QB
OVERALL HEIGHT
YY
RF DIAMETER
R
HUB DIAMETER
X
NECK DIAMETER
AW
PCD
P
NO. OF BOLT HOLES
N
DIAMETER
HD
15065078541.444.689711684661.9744.53622.3
70083544.647.896762735712.7795.34022.3
75088544.650.9100813787763.5846.14422.3
80094046.254.1108864840814.3900.14822.3
850100549.357.3111921892865.1957.34025.4
900105552.558.9118972945915.91009.64425.4
950112554.163.61241022997968.21070.04028.5
1000117555.766.8129108010491019.01120.84428.5
1050122558.968.4134113011021069.81171.64828.5
1100127560.571.6137118111531120.61222.45228.5
1150134062.074.6145123512051171.41284.34031.7
1200139065.277.9150128912571222.21335.14431.7
30065086589.089.0145737702665.2803.33234.9
70092089.089.0150787756716.0857.23634.9
75099093.793.6158845813768.4920.83638.1
8001055103.2103.2169902864819.2977.93241.2
8501110103.2103.2173953918870.01031.93641.2
9001170103.2103.21811010965920.81089.03244.4
9501220111.2111.219310601016971.61139.83644.4
10001275115.9115.9199111410671022.41190.64044.4
10501335119.1119.1205116811181074.71244.63647.6
11001385127.1127.1215121911731125.51295.44047.6
11501460128.6130.1223127012291176.31365.23650.8
12001510128.6134.9224132712781227.11416.04050.8
600650890111.2111.3181727698660.4806.42844.4
700950115.9115.9190784752711.2863.62847.6
7501020125.5127.0205841806762.0927.12850.8
8001085130.2134.9216895860812.8984.22853.9
8501160141.3144.2233953914863.61054.12460.3
9001215146.1150.92431010968914.41104.92860.3
9006501020135.0154.0259762743660.4901.72066.6
7001105147.7166.7276819797711.2971.62073.0
7501180155.6176.1289876851762.01035.02079.3
8001240160.4186.0303927908812.81092.22079.3
8501315171.5195.0319991962863.61155.72085.7
9001345173.1201.732510291016914.41200.22479.3

RH SIZE:

150 & 300 RATING 1.6mm INCLUDED IN QA, QB AND YY DIMENSION.

600 & 900 RATING 6.4mm NOT INCLUDED IN QA, QB AND YY DIMENSION.

*WN BORE J: TO BE SPECIFIED BY PURCHASER.

*All dimensions are in millimetres (mm)

*For tolerance please refer to ASME B16.47