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Our Products

Flanges

Flanges Diamensions are as below:

 

01.ANSI 16.5 Flanges

class

class

class

class

class

class

class

02.DIN Standard Flanges

Stainless Steel DIN 2501 PN16 Raised Face Flanges Features




Stainless Steel DIN 2501 PN40 Raised Face Flanges Features



 

Stainless Steel DIN 2527 PN16 Blind Flanges Features ;


 

Stainless Steel DIN 2576 PN10 Flat Flanges Features


Stainless Steel DIN 2641 PN6 Collar Flanges Features



Stainless Steel DIN 2642 PN10 Collar Flanges Features



 

Stainless Steel DIN 2642 PN10 Collars Features ;

Stainless Steel DIN 2642F PN10 Pressed Flanges Features ;




 

Stainless Steel DIN 2631 PN6 Welding Neck Flange Features ;

 

 

Stainless Steel DIN 2633 PN16 Welding Neck Flange Features ;


 

Stainless Steel DIN 2635 PN40 Welding Neck Flange Features ;






Stainless Steel DIN 2637 PN100 Welding Neck Flange Features ;






03.ASME B16.47 Large Diameter Flanges

»Welding Bevel Standards
Bevel for wall thicknesses (t) from 3/16" to 7/8", inclusive.
Bevel for wall thicknesses (t) greater than 7/8".
»DIMENSIONS OF RING JOINT FACINGS

Nominal Pipe Size Groove
Number		 Groove Dimensions Diameter of
Raised
Portion
Pitch
Diameter		 Depth Width Radius
at Bottom
  Class
300		 Class
400		 Class
600		 Class
900		 P E F R K
in.
mm
 26 26 26 R93 29.500
749.30		 0.500
12.70		 0.781
19.84		 0.06
1.50		 31.88
809.8
in.
mm
 28 28 28   R94 31.500
800.10		 0.500
12.70		 0.781
19.84		 0.06
1.50		 33.88
860.6
in.
mm
 30 30 30   R95 33.750
857.25		 0.500
12.70		 0.781
19.84		 0.06
1.50		 36.12
917.4
in.
mm
 32 32 32   R96 36.000
941.40		 0.562
14.27		 0.906
23.01		 0.06
1.50		 38.75
984.3
in.
mm
 34 34 34   R97 38.000
965.20		 0.562
14.27		 0.906
23.01		 0.06
1.50		 40.75
1035.1
in.
mm
 36 36 36   R98 40.250
1022.35		 0.562
14.27		 0.906
23.01		 0.06
1.50		 43.00
1092.20
in.
mm
       26 R100 29.500
749.30		 0.688
17.48		 1.188
30.18		 0.09
2.30		 32.75
831.9
in.
mm
       28 R101 31.500
800.10		 0.688
17.48		 1.312
33.32		 0.06
1.50		 36.12
917.4
in.
mm
       30 R102 33.750
857.25		 0.500
12.70		 0.781
19.84		 0.09
2.30		 35.00
889.0
in.
mm
       32 R103 36.000
914.40		 0.688
17.48		 1.312
33.32		 0.09
2.30		 39.50
1003.3
in.
mm
       34 R104 38.000
965.20		 0.812
20.62		 1.438
36.53		 0.09
2.30		 42.00
1066.8
in.
mm
       36 R105 40.250
1022.35		 0.812
20.62		 1.438
36.53		 0.09
2.30		 44.25
1124.0


TOLERANCES (inches):
TOLERANCES (mm):
  P (pitch diameter) ±0.005   P (pitch diameter) ±0.13
  E (depth) +0.016, -0.000   E (depth) +0.40, -0.00
  F (width) ±0.008   F (width) ±0.20
  R (radius at bottom) max.   R (radius at bottom) max.
  23° (angle) ±½ deg.  
 23° (angle) ±½ deg.
.

04.Series A / MSS-SP44 Flanges

» Series A Class 150

Nominal
Size

NPS		 Outside
Diameter Flange		 Thickness
of Flange, Min.(2)		 Length
thru
Hub		 Diameter
of Hub
at
Base		 Diameter
of Hub at
Point of
Welding		 Diameter
of
Raised
Face		 Diameter
of Bolt
Circle		 No. of
Bolt
Holes		 Diameter
of Bolt
Holes		 Diameter
of
Bolt		 Fillet
Radius
Min.
WNF BLIND
O C C Y X A R r1
26 in. 34.25 2.69 2.69 4.75 26.62 26.00 29.50 31.75 24 1.38 1¼ 0.38
mm. 870.0 68.3 68.3 120.7 676.1 660.4 749.3 806.5 35.1 31.8 9.7
28 in. 36.50 2.81 2.81 4.94 28.62 28.00 31.50 34.00 28 1.38 1¼ 0.44
mm. 927.1 71.4 71.4 125.5 726.9 711.2 800.1 863.6 35.1 31.8 11.2
30 in. 38.75 2.94 2.94 5.38 30.75 30.00 33.75 36.00 28 1.38 1¼ 0.44
mm. 984.30 74.70 74.70 136.7 781.1 762.0 857.3 914.4 35.1 31.8 11.2
32 in. 41.75 3.19 3.19 5.69 32.75 32.00 36.00 38.50 28 1.62 1½ 0.44
mm. 1060.5 81.00 81.00 144.50 831.9 812.8 914.4 977.9 41.1 38.1 11.2
34 in. 43.75 3.25 3.25 5.88 34.75 34.00 38.00 40.50 32 1.62 1½ 0.50
mm. 1111.3 82.6 82.6 149.4 882.7 863.6 965.2 1028.7 41.1 38.1 12.7
36 in. 46.00 3.56 3.56 6.19 36.75 36.00 40.25 42.75 32 1.62 1½ 0.50
mm. 1168.4 90.4 90.4 157.2 933.5 914.4 1022.4 1085.9 41.1 38.1 12.7
38 in. 48.75 3.44 3.44 6.19 39.00 38.00 42.25 45.25 32 1.62 1½ 0.50
mm. 1238.3 87.4 87.4 157.2 990.6 965.2 1073.2 1149.4 41.1 38.1 12.7
40 in. 50.75 3.56 3.56 6.44 41.00 40.00 44.25 47.25 36 1.62 1½ 0.50
mm. 1289.0 90.4 90.4 163.6 1041.4 1016.0 1124.0 1200.2 41.1 38.1 12.7
42 in. 53.00 3.81 3.81 6.75 43.00 42.00 47.00 49.50 36 1.62 1½ 0.50
mm. 1346.20 96.80 96.80 171.50 1092.2 1066.8 1193.8 1257.3 41.1 38.1 12.7
44 in. 55.25 4.00 4.00 7.00 45.00 44.00 49.00 51.75 40 1.62 1½ 0.50
mm. 1403.4 101.6 101.6 177.8 1143.0 1117.6 1244.6 1314.5 41.1 38.1 12.7
46 in. 57.25 4.06 4.06 7.31 47.12 46.00 51.00 53.75 40 1.62 1½ 0.50
mm. 1454.2 103.1 103.1 185.7 1196.8 1168.4 1295.4 1365.3 41.1 38.1 12.7
48 in. 59.50 4.25 4.25 7.56 49.12 48.00 53.50 56.00 44 1.62 1½ 0.50
mm. 1511.3 108.0 108.0 192.0 1247.6 1219.2 1358.9 1422.4 41.1 38.1 12.7
50 in. 61.75 4.38 4.38 8.00 51.25 50.00 55.50 58.25 44 1.88 1¾ 0.50
mm. 1568.5 111.3 111.3 203.2 1301.8 1270.0 1409.7 1479.6 47.8 44.5 12.7
52 in. 64.00 4.56 4.56 8.25 53.25 52.00 57.50 60.25 44 1.88 1¾ 0.50
mm. 1625.6 115.8 115.8 209.6 1352.6 1320.8 1460.5 1530.4 47.8 44.5 12.7
54 in. 66.25 4.75 4.75 8.50 55.25 54.00 59.50 62.75 44 1.88 1¾ 0.50
mm. 1682.8 120.7 120.7 215.9 1403.4 1371.6 1511.3 1593.9 47.8 44.5 12.7
56 in. 68.75 4.88 4.88 9.00 57.38 56.00 62.00 65.00 48 1.88 1¾ 0.50
mm. 1746.3 124.0 124.0 228.6 1457.5 1422.4 1574.8 1651.0 47.8 44.5 12.7
58 in. 71.00 5.06 5.06 9.25 59.38 58.00 64.00 67.25 48 1.88 1¾ 0.50
mm. 1803.4 128.5 128.5 235.0 1508.3 1473.2 1625.6 1708.2 47.8 44.5 12.7
60 in. 73.00 5.19 5.19 9.44 61.38 60.00 66.00 69.25 52 1.88 1¾ 0.50
mm. 1854.2 131.8 131.8 239.8 1559.1 1524.0 1676.4 1759.0 47.8 44.5 12.7

» Series A Class 300

 

Nominal
Size

NPS		 Outside
Diameter Flange		 Thickness
of Flange, Min.(2)		 Length
thru
Hub		 Diameter
of Hub
at
Base		 Diameter
of Hub at
Point of
Welding		 Diameter
of
Raised
Face		 Diameter
of Bolt
Circle		 No. of
Bolt
Holes		 Diameter
of Bolt
Holes		 Diameter
of
Bolt		 Fillet
Radius
Min.
WNF BLIND
O C C Y X A R r1
26 in. 38.25 3.12 3.31 7.25 28.38 26.00 29.50 34.50 28 1.75 1⅝ 0.38
mm. 971.6 79.2 84.1 184.2 720.9 660.4 749.3 876.3 44.5 41.4 9.7
28 in. 40.75 3.38 3.56 7.75 30.50 28.00 31.50 37.00 28 1.75 1⅝ 0.44
mm. 1035.1 85.9 90.4 196.9 774.7 711.2 800.1 939.8 44.5 41.4 11.2
30 in. 43.00 3.62 3.75 8.25 32.56 30.00 33.75 39.25 28 1.88 1¾ 0.44
mm. 1092.2 91.9 95.3 209.6 827.0 762.0 857.3 997.0 47.8 44.5 11.2
32 in. 45.25 3.88 3.94 8.75 34.69 32.00 36.00 41.50 28 2.00 1⅞ 0.44
mm. 1149.4 98.6 100.1 222.3 881.1 812.8 914.4 1054.1 50.8 47.8 11.2
34 in. 47.50 4.00 4.12 9.12 36.88 34.00 38.00 43.50 28 2.00 1⅞ 0.50
mm. 1206.5 101.6 104.6 231.6 936.8 863.6 965.2 1104.9 50.8 47.8 12.7
36 in. 50.00 4.12 4.38 9.50 39.00 36.00 40.25 46.00 32 2.12 2 0.50
mm. 1270.0 104.6 111.3 241.3 990.6 914.4 1022.4 1168.4 53.8 50.8 12.7
38 in. 46.00 4.25 4.25 7.12 39.12 38.00 40.50 43.00 32 1.62 1½ 0.50
mm. 1168.4 108.0 108.0 180.8 993.6 965.2 1028.7 1092.2 41.1 38.1 12.7
40 in. 48.75 4.50 4.50 7.62 41.25 40.00 42.75 45.50 32 1.75 1⅝ 0.50
mm. 1238.3 114.3 114.3 193.5 1054.60 1016.0 1085.9 1155.7 44.5 41.4 12.7
42 in. 50.75 4.69 4.69 7.88 43.25 42.00 44.75 47.50 32 1.75 1⅝ 0.50
mm. 1289.1 119.1 119.1 200.2 1098.6 1066.8 1136.7 1206.5 44.5 41.4 12.7
44 in. 53.25 4.88 4.88 8.12 45.25 44.00 47.00 49.75 32 1.88 1¾ 0.50
mm. 1352.6 124.0 124.0 206.2 1149.4 1117.6 1193.8 1263.7 47.8 44.5 12.7
46 in. 55.75 5.06 5.06 8.50 47.38 46.00 49.00 52.00 28 2.00 1⅞ 0.50
mm. 1416.1 128.5 128.5 215.9 1203.5 1168.4 1244.6 1320.8 50.8 47.8 12.7
48 in. 57.75 5.25 5.25 8.81 49.38 48.00 51.25 54.00 32 2.00 1⅞ 0.50
mm. 1466.9 108.0 108.0 192.0 1247.6 1219.2 1358.9 1422.4 41.1 38.1 12.7
50 in. 60.25 5.50 5.50 9.12 51.38 50.00 53.50 56.25 32 2.12 2 0.50
mm. 1530.4 139.7 139.7 231.6 1305.1 1270.0 1358.9 1428.8 53.8 50.8 12.7
52 in. 62.25 5.69 5.69 9.38 53.38 52.00 55.50 58.25 32 2.12 2 0.50
mm. 1581.2 144.5 144.5 238.3 1355.9 1320.8 1409.7 1479.6 53.8 50.8 12.7
54 in. 65.25 6.00 6.00 9.94 55.50 54.00 57.75 61.00 28 2.38 2¼ 0.50
mm. 1657.4 152.4 152.4 252.5 1409.7 1371.6 1466.9 1549.4 60.5 57.2 12.7
56 in. 67.25 6.06 6.06 10.25 57.62 56.00 59.75 63.00 28 2.38 2¼ 0.50
mm. 1708.2 153.9 153.9 260.4 1463.5 1422.4 1517.7 1600.2 60.5 57.2 12.7
58 in. 69.25 6.25 6.25 10.50 59.62 58.00 62.00 65.00 32 2.38 2¼ 0.50
mm. 1759.0 158.8 158.8 266.7 1514.3 1473.2 1574.8 1651.0 60.5 57.2 12.7
60 in. 71.25 6.44 6.44 10.75 61.62 60.00 64.00 67.00 32 2.38 2¼ 0.50
mm. 1809.8 163.6 163.6 273.1 1565.1 1524.0 1625.6 1701.8 60.5 57.2 12.7

» Series A Class 400

Nominal
Size

NPS		 Outside
Diameter Flange		 Thickness
of Flange, Min.(2)		 Length
thru
Hub		 Diameter
of Hub
at
Base		 Diameter
of Hub at
Point of
Welding		 Diameter
of
Raised
Face		 Diameter
of Bolt
Circle		 No. of
Bolt
Holes		 Diameter
of Bolt
Holes		 Diameter
of
Bolt		 Fillet
Radius
Min.
WNF BLIND
O C C Y X A R r1
26 in. 38.25 3.50 3.88 7.62 28.62 26.00 29.50 34.50 28 1.88 1¾ 0.44
mm. 971.6 88.9 98.6 193.5 726.9 660.4 749.3 876.3 47.8 44.5 11.2
28 in. 40.75 3.75 4.12 8.12 30.81 28.00 31.50 37.00 28 2.00 1⅞ 0.50
mm. 1035.1 95.3 104.6 206.2 782.6 711.2 800.1 939.8 50.8 47.6 12.7
30 in. 43.00 4.00 4.38 8.62 32.94 30.00 33.75 39.25 28 2.12 2 0.50
mm. 1092.2 101.6 111.3 218.9 836.7 762.0 857.3 997.0 53.8 50.8 12.7
32 in. 45.25 4.25 4.56 9.12 35.00 32.00 36.00 41.25 28 2.12 2 0.50
mm. 1149.4 108.0 115.8 231.6 889.0 812.8 914.4 1047.8 53.8 50.8 12.7
34 in. 47.50 4.38 4.81 9.50 37.19 34.00 38.00 43.50 28 2.12 2 0.56
mm. 1206.5 111.3 122.2 241.3 944.6 863.6 965.2 1104.9 53.8 50.8 14.2
36 in. 50.00 4.50 5.06 9.88 39.38 36.00 40.25 46.00 32 2.12 2 0.56
mm. 1270.0 114.3 128.5 251.0 1000.3 914.4 1022.4 1168.4 53.8 50.8 14.2
38 in. 47.50 4.88 4.88 8.12 39.50 38.00 40.75 44.00 32 1.88 1¾ 0.56
mm. 1206.5 124.0 124.0 206.2 1003.3 965.2 1035.1 1117.6 47.8 44.5 14.2
40 in. 50.00 5.12 5.12 8.50 41.50 40.00 43.00 46.25 32 2.00 1⅞ 0.56
mm. 1270.0 130.0 130.0 215.9 1054.1 1016.0 1092.2 1174.8 50.8 47.6 14.2
42 in. 52.00 5.25 5.25 8.81 43.62 42.00 45.00 48.25 32 2.00 1⅞ 0.56
mm. 1320.8 133.4 133.4 223.8 1107.9 1066.8 1143.0 1225.6 50.8 47.6 14.2
44 in. 54.50 5.50 5.50 9.18 45.62 44.00 47.25 50.50 32 2.12 2 0.56
mm. 1384.3 139.7 139.7 233.2 1158.7 1117.6 1200.2 1282.7 53.8 50.8 14.2
46 in. 56.75 5.75 5.75 9.62 47.75 46.00 49.50 52.75 36 2.12 2 0.56
mm. 1441.5 146.1 146.1 244.3 1212.9 1168.4 1257.3 1339.9 53.8 50.8 14.2
48 in. 59.50 6.00 6.00 10.12 49.88 48.00 51.50 55.25 28 2.38 2¼ 0.56
mm. 1511.3 152.4 152.4 257.0 1267.0 1219.2 1308.1 1403.4 60.5 57.2 14.2
50 in. 61.75 6.19 6.25 10.56 52.00 50.00 53.62 57.50 32 2.38 2¼ 0.56
mm. 1568.5 157.2 158.8 168.2 1320.8 1270.0 1361.9 1460.5 60.5 57.2 14.2
52 in. 63.75 6.38 6.44 10.88 54.00 52.00 55.62 59.50 32 2.38 2¼ 0.56
mm. 1619.3 162.1 163.6 276.4 1371.6 1320.8 1412.7 1511.3 60.5 57.2 14.2
54 in. 67.00 6.69 6.75 11.38 56.12 54.00 57.88 62.25 28 2.62 2½ 0.56
mm. 1701.8 169.9 171.5 289.1 1425.4 1371.6 1470.2 1581.2 66.5 63.5 14.2
56 in. 69.00 6.88 6.94 11.75 58.25 56.00 60.12 64.25 32 2.62 2½ 0.56
mm. 1752.6 174.8 176.. 298.5 1479.6 1422.4 1527.0 1632.0 66.5 63.5 14.2
58 in. 71.00 7.00 7.12 12.06 60.25 58.00 62.12 66.25 32 2.62 2½ 0.56
mm. 1803.4 177.8 180.8 306.3 1530.4 1473.2 1577.8 1682.8 66.5 63.5 14.2
60 in. 74.25 7.31 7.44 12..56 62.38 60.00 64.38 69.00 32 2.88 2¾ 0.56
mm. 1886.0 185.7 189.0 319.0 1584.5 1524.0 1635.3 1752.6 73.12 69.8 14.2

» Series A Class 600

Nominal
Size

NPS		 Outside
Diameter Flange		 Thickness
of Flange, Min.(2)		 Length
thru
Hub		 Diameter
of Hub
at
Base		 Diameter
of Hub at
Point of
Welding		 Diameter
of
Raised
Face		 Diameter
of Bolt
Circle		 No. of
Bolt
Holes		 Diameter
of Bolt
Holes		 Diameter
of
Bolt		 Fillet
Radius
Min.
WNF BLIND
O C C Y X A R r1
26 in. 40.00 4.25 4.94 8.75 29.44 26.00 29.50 36.00 28 2.00 1⅞ 0.50
mm. 1016.0 108.0 125.5 222.3 747.8 660.4 749.3 914.4 50.8 47.6 12.7
28 in. 42.25 4.38 5.19 9.25 31.62 28.00 31.50 38.00 28 2.12 2 0.50
mm. 1073.2 111.3 131.8 235.0 803.1 711.2 800.1 965.2 53.8 50.8 12.7
30 in. 44.50 4.50 5.50 9.75 33.94 30.00 33.75 40.25 28 2.12 2 0.50
mm. 1130.3 114.3 139.7 247.7 862.1 762.0 857.3 1022.4 53.8 50.8 12.7
32 in. 47.00 4.62 5.81 10.25 36.12 32.00 36.00 42.50 28 2.38 2¼ 0.50
mm. 1193.8 117.3 147.6 260.4 917.4 812.8 914.4 1079.5 60.5 57.2 12.7
34 in. 49.00 4.75 6.06 10.62 38.31 34.00 38.00 44.50 28 2.38 2¼ 0.56
mm. 1244.6 120.7 153.9 269.7 973.1 863.6 965.2 1130.3 60.5 57.2 14.2
36 in. 51.75 4.88 6.38 11.12 40.62 36.00 40.25 47.00 28 2.62 2½ 0.56
mm. 1314.5 124.0 162.1 282.4 1031.7 914.4 1022.4 1193.8 66.5 63.5 14.2
38 in. 50.00 6.00 6.12 10.00 40.25 38.00 41.50 45.75 28 2.38 2¼ 0.56
mm. 1270.0 152.4 155.4 254.0 1022.4 965.2 1054.1 1162.1 60.5 57.2 14.2
40 in. 52.00 6.25 6.38 10.38 42.25 40.00 43.75 47.75 32 2.38 2¼ 0.56
mm. 1320.8 158.8 162.1 263.7 1073.2 1016.0 1111.3 1212.9 60.5 57.2 14.2
42 in. 55.25 6.62 6.75 11.00 44.38 42.00 46.00 50.50 28 2.62 2½ 0.56
mm. 1403.4 168.1 171.5 279.4 1127.3 1066.8 1168.4 1282.7 66.5 63.5 14.2
44 in. 57.25 6.81 7.00 11.38 46.50 44.00 48.25 52.50 32 2.62 2½ 0.56
mm. 1454.2 173.0 177.8 289.1 1181.1 1117.6 1225.6 1333.5 66.5 63.5 14.2
46 in. 59.50 7.06 7.31 11.81 48.62 46.00 50.25 54.75 32 2.62 2½ 0.56
mm. 1511.3 179.3 185.7 300.0 1234.9 1168.4 1276.4 1390.7 66.5 63.5 14.2
48 in. 62.75 7.44 7.69 12.44 50.75 48.00 52.50 57.50 32 2.88 2¾ 0.56
mm. 1593.9 189.0 195.3 316.0 1289.1 1219.2 1333.5 1460.5 73.12 69.9 14.2
50 in. 65.75 7.75 8.00 12.94 52.88 50.00 54.50 60.00 28 3.12 3 0.56
mm. 1670.1 196.9 203.2 328.7 1343.2 1270.0 1384.3 1524.0 79.2 76.2 14.2
52 in. 67.75 8.00 8.25 13.25 54.88 52.00 56.50 62.00 32 3.12 3 0.56
mm. 1720.9 203.2 209.6 336.6 1394.0 1320.8 1435.1 1574.8 79.2 76.2 14.2
54 in. 70.00 8.25 8.56 13.75 57.00 54.00 58.75 64.25 32 3.12 3 0.56
mm. 1778.0 209.6 217.4 349.3 1447.8 1371.6 1492.3 1632.0 79.2 76.2 14.2
56 in. 73.00 8.56 8.88 14.25 59.12 56.00 60.75 66.75 32 3.38 3¼ 0.62
mm. 1854.2 217.4 225.6 362.0 1501.6 1422.4 1543.1 1695.5 85.9 82.6 15.7
58 in. 75.00 8.75 9.12 14.56 61.12 58.00 63.00 68.75 32 3.38 3¼ 0.62
mm. 1905.0 222.3 231.6 369.8 1552.4 1473.2 1600.2 1746.3 85.9 82.6 15.7
60 in. 78.50 9.19 9.56 15.31 63.38 60.00 65.25 71.75 28 3.62 3½ 0.69
mm. 1993.9 233.4 242.8 388.9 1609.9 1524.0 1657.4 1822.5 91.9 88.9 17.5

» Series A Class 900

Nominal
Size
NPS		 Outside
Diameter Flange		 Thickness
of Flange, Min.(2)		 Length
thru
Hub		 Diameter
of Hub
at
Base		 Diameter
of Hub at
Point of
Welding		 Diameter
of
Raised
Face		 Diameter
of Bolt
Circle		 No. of
Bolt
Holes		 Diameter
of Bolt
Holes		 Diameter
of
Bolt		 Fillet
Radius
Min.
WNF BLIND
O C C Y X A R r1
26 in. 42.75 5.50 6.31 11.25 30.50 26.00 29.50 37.50 20 2.88 2¾ 0.44
mm. 1085.9 139.7 160.3 285.8 774.7 660.4 749.3 952.5 73.2 69.9 11.2
28 in. 46.00 5.62 6.75 11.75 32.75 28.00 31.50 40.25 20 3.12 3 0.50
mm. 1168.4 142.7 171.5 298.5 831.9 711.2 800.1 1022.4 79.2 76.2 12.7
30 in. 48.50 5.88 7.18 12.25 35.00 30.00 33.75 42.75 20 3.12 3 0.50
mm. 1231.9 149.4 182.4 311.2 889.0 762.0 857.3 1085.9 79.2 76.2 12.7
32 in. 51.75 6.25 7.62 13.00 37.25 32.00 36.00 45.50 20 3.38 3¼ 0.50
mm. 1314.5 158.8 193.5 330.2 946.2 812.8 914.4 1155.7 85.9 82.6 12.7
34 in. 55.00 6.50 8.06 13.75 39.62 34.00 38.00 48.25 20 3.62 3½ 0.56
mm. 1397.0 165.1 204.7 349.3 1006.3 863.6 965.2 1225.6 91.9 88.9 14.2
36 in. 57.50 6.75 8.44 14.25 41.88 36.00 40.25 50.75 20 3.62 3½ 0.56
mm. 1460.5 171.5 214.4 362.0 1063.8 914.4 1022.4 1289.1 91.9 88.9 14.2
38 in. 57.50 7.50 8.50 13.88 42.25 38.00 43.25 50.75 20 3.62 3½ 0.75
mm. 1460.5 190.5 215.9 352.6 1073.2 965.2 1098.6 1289.1 91.9 88.9 19.1
40 in. 59.50 7.75 8.81 14.31 44.38 40.00 45.75 52.75 24 3.62 3½ 0.81
mm. 1511.3 196.9 223.8 363.5 1127.3 1016.0 1162.1 1339.9 91.9 88.9 20.6
42 in. 91.50 8.12 9.12 14.62 46.31 42.00 47.75 54.75 24 3.62 3½ 0.81
mm. 1562.1 206.2 231.6 371.3 1176.3 1066.8 1212.9 1390.7 91.9 88.9 20.6
44 in. 64.88 8.44 9.56 15.38 48.62 44.00 50.00 57.62 24 3.88 3¾ 0.88
mm. 1648.0 214.4 242.8 390.7 1234.9 1117.6 1270.0 1463.5 98.60 95.3 22.4
46 in. 68.25 8.88 10.86 16.18 50.88 46.00 52.50 60.50 24 4.12 4 0.88
mm. 1733.6 225.6 275.8 411.0 1292.4 1168.4 1333.5 1536.7 104.6 101.6 22.4
48 in. 70.25 9.19 10.38 16.50 52.88 48.00 54.50 62.50 24 4.12 4 0.94
mm. 1784.4 233.4 263.7 419.1 1343.2 1219.2 1384.3 1587.5 104.6 101.6 23.9

04.Series B / API 605 Flanges

»Series B Class 150

NOM SIZE THICKNESS DRILLING WEIGHT
OD WELD NECK BLIND LTH DIA AT BASE DIA BEVEL OD RF BOLT CIRCLE DIA HOLES # HOLES FILLET RADIUS MIN WELD NECK BLIND
O C C Y X A R R
26 30.94 1.62 1.75 3.50 26.94 26.06 28.00 29.31 0.88 36 0.38 120 373
28 32.94 1.75 1.88 3.75 28.94 28.06 30.00 31.31 0.88 40 0.38 140 454
30 34.94 1.75 2.00 3.94 31.00 30.06 32.00 33.31 0.88 44 0.38 150 543
32 37.06 1.81 2.12 4.25 33.06 32.06 34.00 35.44 0.88 48 0.38 170 648
34 39.56 1.94 2.25 4.34 35.12 34.06 36.25 37.69 1.00 40 0.38 210 783
36 41.62 2.06 2.31 4.62 37.19 36.06 38.25 39.75 1.00 44 0.38 240 890
38 44.25 2.12 2.50 4.88 39.25 38.12 40.25 42.12 1.12 40 0.38 290 1089
40 46.25 2.19 2.62 5.06 41.31 40.12 42.50 44.12 1.12 44 0.38 310 1247
42 48.25 2.31 2.69 5.25 43.38 42.12 44.50 46.12 1.12 48 0.44 345 1393
44 50.25 2.38 2.81 5.38 45.38 44.12 46.50 48.12 1.12 52 0.44 370 1579
46 52.81 2.44 2.94 5.69 47.44 46.12 48.62 50.56 1.25 40 0.44 435 1824
48 54.81 2.56 3.06 5.88 49.50 48.12 50.75 52.56 1.25 44 0.44 480 2045
50 56.81 2.69 3.18 6.06 51.50 50.12 52.75 54.56 1.25 48 0.44 520 2284
52 58.81 2.75 3.31 6.19 53.56 52.12 54.75 56.56 1.25 52 0.44 550 2547
54 61.00 2.81 3.44 6.38 55.62 54.12 56.75 58.75 1.25 56 0.44 620 2848
56 63.00 2.88 3.56 6.56 57.69 56.12 58.75 60.75 1.25 60 0.56 650 3144
58 65.94 2.94 3.68 6.88 59.69 58.12 60.75 63.44 1.38 48 0.56 780 3560
60 67.94 3.00 3.81 7.06 61.81 60.12 63.00 65.44 1.38 52 0.56 850 3913

»Series B Class 300


NOM SIZE
THICKNESS
DRILLING
WEIGHT
OD
WELD NECK
BLIND
LTH
DIA AT BASE
DIA BEVEL
OD RF
BOLT CIRCLE
DIA HOLES
# HOLES
FILLET RADIUS MIN
WELD NECK
BLIND
O
C
C
Y
X
A
R
R
26
34.12
3.50
3.50
5.69
27.62
26.19
29.00
31.62
1.38
32
0.56
400
907
28
36.25
3.50
3.50
5.88
29.75
28.19
31.00
33.75
1.38
36
0.56
450
1023
30
39.00
3.69
3.69
6.22
32.00
30.25
33.25
36.25
1.50
36
0.56
550
1249
32
41.50
4.06
4.06
6.62
34.00
32.25
35.50
38.50
1.62
32
0.62
685
1556
34
43.62
4.06
4.06
6.81
36.12
34.25
37.50
40.62
1.62
36
0.62
750
1719
36
46.12
4.06
4.06
7.12
38.00
36.25
39.75
42.88
1.75
32
0.62
840
1921
38
48.12
4.38
4.38
7.56
40.00
38.25
41.75
44.88
1.75
36
0.62
915
2257
40
50.12
4.56
4.56
7.81
42.00
40.25
43.88
46.88
1.75
40
0.62
990
2549
42
52.50
4.69
4.69
8.06
44.00
42.31
46.00
49.00
1.88
36
0.62
1135
2876
44
54.50
5.00
5.00
8.44
46.19
44.31
48.00
51.00
1.88
40
0.62
1235
3304
46
57.50
5.06
5.12
8.75
48.38
46.31
50.00
53.75
2.00
36
0.62
1470
3766
48
59.50
5.06
5.31
8.81
50.31
48.31
52.25
55.75
2.00
40
0.62
1575
4183
50
61.50
5.44
5.50
9.25
52.38
50.31
54.25
57.75
2.00
44
0.62
1710
4629
52
63.50
5.62
5.68
9.56
54.44
52.31
56.25
59.75
2.00
48
0.62
1840
5096
54
65.88
5.38
5.88
9.44
56.50
54.31
58.25
62.12
2.00
48
0.62
1980
5678
56
69.50
6.06
6.18
10.56
58.81
56.31
60.50
65.00
2.38
36
0.69
2595
6642
58
71.94
6.06
6.38
10.81
60.94
58.31
62.75
67.44
2.38
40
0.69
2770
7347
60
73.94
5.94
6.56
10.69
62.94
60.31
65.00
69.44
2.38
40
0.69
2870
7980

» Series B Class 400

NOM SIZE
THICKNESS
DRILLING
WEIGHT
OD
WELD NECK
BLIND
LTH
DIA AT BASE
DIA BEVEL
OD RF
BOLT CIRCLE
# HOLES
DIA HOLES
FILLET RADIUS MIN
WELD NECK
BLIND
O
C
C
Y
X
A
R
R
26
33.50
3.50
3.50
5.88
27.12
26.00
28.00
30.75
28
1.50
0.44
360
874
28
36.00
3.75
3.75
6.25
29.12
28.00
30.00
33.00
24
1.62
0.50
450
1081
30
38.25
4.00
4.00
6.69
31.25
30.00
32.25
35.25
28
1.62
0.50
530
1302
32
40.75
4.25
4.25
7.06
33.25
32.00
34.38
37.50
28
1.75
0.50
635
1570
34
42.75
4.38
4.38
7.38
35.38
34.00
36.50
39.50
32
1.75
0.56
690
1781
36
45.50
4.69
4.69
7.88
37.50
36.00
38.62
42.00
28
1.88
0.56
855
2160
38
47.50
4.88
4.88
8.12
39.50
38.00
40.75
44.00
32
1.88
0.56
935
2450
40
50.00
5.12
5.12
8.50
41.50
40.00
43.00
46.25
32
2.00
0.56
1090
2848
42
52.00
5.25
5.25
8.81
43.62
42.00
45.00
48.25
32
2.00
0.56
1190
3159
44
54.50
5.50
5.50
9.18
45.62
44.00
47.25
50.50
32
2.12
0.56
1375
3635
46
56.75
5.75
5.75
9.62
47.75
46.00
49.50
52.75
36
2.12
0.56
1525
4120
48
59.50
6.00
6.00
10.12
49.88
48.00
51.50
55.25
28
2.38
0.56
1790
4726
50
61.75
6.19
6.25
10.56
52.00
50.00
53.62
57.50
32
2.38
0.56
1950
5303
52
63.75
6.38
6.44
10.88
54.00
52.00
55.62
59.50
32
2.38
0.56
2125
5823
54
67.00
6.69
6.75
11.38
56.12
54.00
57.88
62.25
28
2.62
0.56
2565
6742
56
69.00
6.88
6.94
11.75
58.25
56.00
60.12
64.25
32
2.62
0.56
2710
7352
58
71.00
7.00
7.12
12.06
60.25
58.00
62.12
66.25
32
2.62
0.56
3230
7986
60
74.25
7.31
7.44
12.56
62.38
60.00
64.38
69.00
32
2.88
0.56
3820
9126

» Series B Class 600

NOM SIZE THICKNESS DRILLING WEIGHT
OD WELD NECK BLIND LTH DIA AT BASE DIA BEVEL OD RF BOLT CIRCLE # HOLES DIA HOLES FILLET RADIUS MIN WELD NECK BLIND
O C C Y X A R R
26 35.00 4.38 4.38 7.12 27.50 26.00 28.62 31.75 28 1.75 0.50 550 1194
28 37.50 4.56 4.56 7.50 29.62 28.00 30.88 34.00 28 1.88 0.50 650 1427
30 40.25 4.94 5.00 8.06 31.75 30.00 33.12 36.50 28 2.00 0.50 810 1802
32 42.75 5.12 5.31 8.50 33.88 32.00 35.25 38.75 28 2.12 0.50 950 2159
34 45.75 5.56 5.68 9.19 36.00 34.00 37.50 41.50 24 2.38 0.56 1205 2645
36 47.75 5.75 5.94 9.56 38.12 36.00 39.75 43.50 28 2.38 0.56 1340 3013
38 50.00 6.00 6.12 10.00 40.25 38.00 41.50 45.75 28 2.38 0.56 1470 3404
40 52.00 6.25 6.38 10.38 42.25 40.00 43.75 47.75 32 2.38 0.56 1630 3838
42 55.25 6.62 6.75 11.00 44.38 42.00 46.00 50.50 28 2.62 0.56 2030 4585
44 57.25 6.81 7.00 11.38 46.50 44.00 48.25 52.50 32 2.62 0.56 2160 5105
46 59.50 7.06 7.31 11.81 48.62 46.00 50.25 54.75 32 2.62 0.56 2410 5758
48 62.75 7.44 7.69 12.44 50.75 48.00 52.50 57.50 32 2.88 0.56 2855 6737
50 65.75 7.75 8.00 12.94 52.88 50.00 54.50 60.00 28 3.12 0.56 3330 7695
52 67.75 8.00 8.25 13.25 54.88 52.00 56.50 62.00 32 3.12 0.56 3560 8426
54 70.00 8.25 8.56 13.75 57.00 54.00 58.75 64.25 32 3.12 0.56 3920 9333
56 73.00 8.56 8.88 14.25 59.12 56.00 60.75 66.75 32 3.38 0.62 4280 10529
58 75.00 8.75 9.12 14.56 61.12 58.00 63.00 68.75 32 3.38 0.62 4640 11414
60 78.50 9.19 9.56 15.31 63.38 60.00 65.25 71.75 28 3.62 0.90 5000 13108

»Series B Class 900

NOM SIZE THICKNESS DRILLING WEIGHT
OD WELD NECK BLIND LTH DIA AT BASE DIA BEVEL OD RF BOLT CIRCLE # HOLES DIA HOLES FILLET RADIUS MIN WELD NECK BLIND
O C C Y X A R R
26 40.25 5.31 6.06 10.19 29.25 26.00 30.00 35.50 20 2.62 0.44 1050 2184
28 43.50 5.81 6.56 10.88 31.38 28.00 32.25 38.25 20 2.88 0.50 1520 2762
30 46.50 6.12 6.93 11.38 33.50 30.00 34.50 40.75 20 3.12 0.50 1820 3334
32 48.75 6.31 7.31 11.94 35.75 32.00 36.50 43.00 20 3.12 0.50 2065 3865
34 51.75 6.75 7.68 12.56 37.88 34.00 39.00 45.50 20 3.38 0.56 2450 4576
36 53.00 6.81 7.94 12.81 40.00 36.00 40.50 47.25 24 3.12 0.56 2520 4963
38 57.50 7.50 8.50 13.88 42.25 38.00 43.25 50.75 20 3.62 0.75 3385 6253
40 59.50 7.75 8.81 14.31 44.38 40.00 45.75 52.75 24 3.62 0.81 3620 6940
42 61.50 8.12 9.12 14.62 46.31 42.00 47.75 54.75 24 3,62 0.81 3960 7675
44 64.88 8.44 9.56 15.38 48.62 44.00 50.00 57.62 24 3.88 0.88 4300 8954
46 68.25 8.88 10.06 16.18 50.88 46.00 52.50 60.50 24 4.12 0.88 4640 10426
48 70.25 9.19 10.38 16.50 52.88 48.00 54.50 62.50 24 4.12 0.94 4980 11398