Forged Flanges - Dimensions

BS 3293

LARGE DIAMETER FLANGES SPECIFICATIONS BS 3293

RATINGNOMINAL PIPE SIZE
mm
OD FLANGE
O
FLANGE THICKNESS
QA
OVERALL HEIGHT
YY
OVERALL HEIGHT
YS
SLIP ON BORE
SB
HUB DIAMETER
X
NECK DIAMETER
AW
PCD
P
NUMBER HOLES
N
HOLE DIAMETER
HD
RF DIAMETER
R
RTJ RJ
DIAMETER
K
RING PITCH DIAMETER
RP
DEPTH GROOVE
E
WIDTH GROOVE
F
RING NUMBER
RN
LENGTH OF STUD BOLTS
RF            RTJ
150650870.050.9127.185.8666.7724.0660.5806.42434.9743.0     170 
700927.252.4128.687.3717.5781.1711.3863.62834.9793.8     180 
750984.353.9130.289.0768.3831.9762.1914.42834.9857.3     180 
8001060.557.2133.492.1819.1889.1812.9977.92841.2908.1     200 
8501111.358.8135.093.7869.9939.9863.71028.73241.2958.9     205 
9001168.560.4136.695.3920.7997.0914.51085.83241.21022.4     205 
9501238.360.4136.695.3971.51060.5965.31149.33241.21073.2     205 
10001289.163.6139.898.51022.31111.31016.11200.13641.21124.0     210 
10501346.366.7142.9101.71073.11168.51066.91257.33641.21193.9     215 
11001403.466.7142.9101.71123.91219.31117.71314.44041.21244.7     215 
11501454.268.3144.5103.21174.71270.11168.51365.24041.21295.5     225 
12001511.469.9146.1104.81225.51327.21219.31422.44441.21359.0     225 
300650971.679.4184.2 666.7720.8666.8876.328.044.4749.4809.6749.312.719.893250280
7001035.185.8196.9 717.5774.8717.6939.828.044.4800.2860.4800.112.719.894260295
7501092.392.1209.6 768.3825.5768.4996.928.047.6857.3917.5857.212.719.895280315
8001149.498.5222.3 819.1881.1819.21054.128.050.8914.5984.2914.414.223.096300330
8501206.6101.7231.8 871.5936.7871.61104.928.050.8965.31035.0965.214.223.097305340
9001270.1104.8241.4 922.3990.7922.41168.432.053.91022.41092.21022.314.223.098320350
6006501016.1107.9222.3 666.7747.7671.5914.42850.8749.4809.6749.312.719.893330365
7001073.2111.2235.0 717.5803.3724.0965.22853.9800.2860.4800.112.719.894345375
7501130.4114.4247.7 768.3862.1774.81022.32853.9857.3917.5857.212.719.895350380
8001193.9117.5260.4 819.9917.6825.61079.528.060.3914.5984.2914.414.223.096370410
8501244.7120.7269.9 869.9973.2877.91130.328.060.3965.31035.0965.214.223.097375415
9001314.5123.9282.6 920.71031.9928.71193.828.066.61022.41092.21022.314.223.098395435

*RH SIZE: 150 & 300 RATING 1.6mm INCLUDED IN QA, YY AND YS DIMENSION.

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

 

 

 

*WN BORE J: TO BE SPECIFIED BY PURCHASER.

*All dimensions are in millimetres (mm)

*For tolerance please refer to BS3293