blind flanges - ansi b16 - zmc metalzmcsteel.com/pdf/flange/ansi flange/class 300 lbs blind...
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Flanges
Blind Flanges - ANSI B16.5
Notes- Weights are based on manufacturer’s data and are approximate.- Flat face flanges may be provided at full thickness, C, or with raised face removed (the latter is nonstandard).- For ring joint facings see page 8-6. - For tolerances see page 8-4.
Class 300 lb
Pipe Flange Data Raised Face Drilling Data Weight
No
min
al
Pip
e S
ize
Outside Diameter
OverallDiameter
FlangeThickness
min
FaceDiameter Number of
Holes
Bolt Hole Diameter
Diameterof Circle of
Holes kg/piecein
mmin
mmin
mmin
mmin
mmin
mm
1/20.84021.30
3.75095.20
0.56014.20
1.38035.10
40.62015.70
2.62066.55
0.64
3/41.05026.70
4.620117.3
0.62015.70
1.69042.90
40.75019.00
3.25082.50
1.11
1 1.31533.40
4.880123.9
0.69017.50
2.00050.80
40.75019.00
3.50088.90
1.39
11/41.66042.20
5.250133.3
0.75019.00
2.50063.50
40.75019.00
3.88098.50
1.79
11/21.90048.30
6.120155.4
0.81020.60
2.88073.15
40.88022.3
4.500114.3
2.66
2 2.37560.30
6.500165.1
0.88022.30
3.62091.90
80.75019.10
5.000127.0
3.18
21/22.87573.00
7.500190.5
1.00025.40
4.120104.6
80.88022.30
5.8801.493
4.85
3 3.50088.90
8.250209.5
1.12028.40
5.000127.0
80.88022.30
6.620168.1
6.81
31/24.000101.6
9.000228.6
1.19030.20
5.500139.7
80.88022.30
7.250184.1
8.71
4 4.500114.3
10.00254.0
1.25031.70
6.190157.2
80.88022.30
7.800200.1
11.5
5 5.563141.3
11.00279.4
1.38035.00
7.310185.7
80.88022.30
9.250234.9
15.6
6 6.625168.3
12.50317.5
1.44036.50
8.500215.9
120.88022.30
10.62269.7
20.9
8 8.625219.1
15.00381.0
1.62041.10
10.62269.7
121.00025.40
13.00330.2
34.3
10 10.75273.0
17.50444.5
1.88047.70
12.75323.9
161.12028.40
15.25387.3
53.3
12 12.75323.8
20.50520.7
2.00050.80
15.00381.0
161.25031.70
17.75450.8
78.8
14 14.00355.6
23.00584.2
2.12053.80
16.25412.8
201.25031.70
20.25514.3
105
16 16.00406.4
25.50647.7
2.25057.15
18.50469.9
201.38035.00
22.50571.5
137
18 18.00457.2
28.00711.2
2.38060.45
21.00533.4
241.38035.00
24.75628.6
175
20 20.00508.0
30.50774.7
2.50063.50
23.00584.2
241.38035.00
27.00685.8
221
24 24.00609.6
36.00914.4
2.75069.85
27.25692.2
241.62041.10
32.00812.8
339
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