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Class 1500 Slip On Flanges

SIip-on flanges derives its name Slip-on as pipe slips in to the flange prior to welding as slip-on flanges are bored slightly larger then the outside diameter of the pipe. It becomes easy as a user to weld pipe both on inside and outside thereby he is assured of its durability i.e prevention of leakage in long run.

DIMENSIONS OF CLASS 1500 FLANGES (ANSI B 16.5) (in mm)
Nominal
Pipe Size
Flange
Dia
'O'
Dia of
Bolt Circle
'A'
Dia of Bolt Holes
'D'
No. of
Holes
Thk of Flange
'C'
Diameter at Weld Bevel Dia of Hub
'E'
Length Through Hub Bore 'B' Dia of
R/F
R
Depth of
Socket
F
Length
of
Threading
S/O & S/W
Y
W/N
Y
L/J
Y
S/O & S/W
B
L/J
B
1/2'' 15 120.6 82.5 22.2 4 22.2 21.3 38.1 31.7 60.3 31.7 22.3 22.9 34.9 9.5 22.2
3/4'' 20 130.2 88.9 22.2 4 25.4 26.7 44.4 34.9 69.8 34.9 27.7 28.2 42.9 11.1 25.4
1'' 25 149.2 101.6 25.4 4 28.6 33.5 52.4 41.3 73.0 41.3 34.5 35.0 50.8 12.7 28.6
1 ¼'' 32 158.7 111.1 25.4 4 28.6 42.2 63.5 41.3 73.0 41.3 43.2 43.7 63.5 14.3 30.2
1 ½'' 40 177.8 123.8 28.6 4 31.8 48.3 69.8 44.4 82.5 44.4 49.5 50.0 73.0 15.9 31.7
2'' 50 215.9 165.1 25.4 8 38.1 60.4 104.8 57.1 101.6 57.1 62.0 62.5 92.1 17.5 38.1
2 ½'' 65 244.5 190.5 28.6 8 41.3 73.1 123.8 63.5 123.8 63.5 74.7 75.4 104.8 19.0 47.6
3'' 80 266.7 203.2 31.7 8 47.6 88.9 133.3 73.0 117.5 73.0 90.7 91.4 127.0 - 50.8
4'' 100 311.1 241.3 34.9 8 54.0 114.3 161.9 90.5 123.0 90.5 116.1 116.8 157.2 - 57.1
5'' 125 374.6 292.1 41.3 8 73.0 141.2 196.8 104.8 155.6 104.8 143.8 144.5 185.7 - 63.5
6'' 150 393.7 317.5 38.1 12 82.6 168.4 228.6 119.1 171.4 119.1 170.7 171.4 215.9 - 69.8
8'' 200 482.6 393.7 44.4 12 92.1 219.2 292.1 142.9 212.7 142.8 221.5 222.2 269.9 - 76.2
10'' 250 584.2 482.6 50.8 12 107.9 273.0 368.3 158.7 254.0 177.8 276.3 277.4 323.8 - 84.1
12'' 300 673.1 571.5 54.0 16 123.8 323.8 450.8 181.0 282.5 219.1 327.1 328.2 381.0 - 92.1
14'' 350 749.5 635.0 60.5 16 133.4 355.6 495.3 - 298.5 241.3 359.1 360.2 412.7 - -
16'' 400 825.5 704.9 66.5 16 146.1 406.4 552.5 - 311.2 260.4 410.5 411.2 469.9 - -
18'' 450 914.5 774.7 73.5 16 162.0 457.2 596.9 - 327.0 276.2 461.8 462.3 533.4 - -
20'' 500 984.0 831.9 79.5 16 177.8 508.0 641.4 - 355.6 292.1 513.1 514.3 584.2 - -
24'' 600 1168.5 990.6 92.0 16 203.2 609.6 762.0 - 406.4 330.2 615.9 615.9 692.1 - -

Note : Thickness 'C' is inclusive of Raised Face Thickness of 1.65 MM. For Class 1500