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Flanges: 16 Bar Solid Weld-Neck

Solid weld-neck flange forged from OSNA®-10.

  • Rating:

Class 150 for 16 bar rated systems at 75°C to EEMUA Publication No. 145: Section 3.

  • Dimensions:

Up to 610 mm ­ based on BS 1560 (ANSI B16.5), Class150. Above 610 mm ­ based
on MSS SP-44, Class 150.



Weld preparation applicable
to S1 >= 3,0 mm
Download dxf-file




Size Outside
Diameter
of Flange
mm
D		 Thickness
of Flange
mm
b		 Diameter
of Hub
mm
d6		 Hub Dia
at Weld
Chamfer
mm
d3		 Length
Through
Hub
mm
h1		 Bore
of
Flange
mm
d7		 Thickness
of Hub at
Welding
End
mm
S1
min		 Parallel
Length
on
Hub
mm
h2		 Drilling Approx.
Weight
kg
­
in mm Diameter
of Bolt
Circle
mm
K		 No.
of
bolts
­		 Diameter
of bolt
holes
mm
d2
1/2 16.0                        
3/4 25.0                        
1 30.0                        
11/4 38.0                        
11/2 44.5 Use 20 bar
2 57.0                        
21/2 76.1                        
3 88.9                        
4 108.0                        
6 159.0 279.0 27.00 192.00 159.00 89.0 153.75 3.00 8.00 241.3 8 22.20 15.5
8 219.1 343.0 31.00 246.00 219.10 98.0 211.10 4.00 8.00 298.4 8 22.20 27.7
10 267.0 406.0 31.00 305.00 267.00 98.0 257.97 4.50 8.00 362.0 12 25.40 38.5
12 323.9 483.0 35.00 365.00 323.90 98.0 312.83 5.50 8.00 431.8 12 25.40 61.6
14 368.0 533.0 41.00 400.00 368.00 99.0 354.22 6.50 8.00 476.2 12 28.60 86.8
16 419.0 597.0 43.00 457.00 419.00 106.0 404.17 7.00 8.00 539.8 16 28.60 114.2
18 457.2 635.0 45.00 505.00 457.20 113.0 441.50 8.00 8.00 577.8 16 31.80 136.0
20 508.0 698.0 45.00 559.00 508.00 118.0 490.50 8.50 8.00 635.0 20 31.80 164.6
24 610.0 813.0 49.00 664.00 610.00 137.0 589.50 10.50 8.00 749.3 20 34.90 247.7
28 711.0 927.0 72.00 748.00 711.00 145.0 687.50 12.00 8.00 864.0 28 34.90 453.0
32 813.0 1060.0 72.00 876.00 813.00 160.0 786.50 13.50 8.00 978.0 28 41.10 599.0
36 914.0 1168.0 72.00 984.00 914.00 175.0 883.50 15.50 8.00 1086.0 32 41.10 741.0
It should be noted that although these flanges are flat faced, inside bolt circle gaskets shall be used and special care should be taken to avoid overtightening the bolting.







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