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Slip On (SORF)
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Threaded
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Socket weld (SWRF)
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Weld neck (WNRF)
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Lap Joint
(LJFF)
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Blind
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Spectacle
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Flanges |
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| As per Material Standards: ASTM A105, A182, A203, A350, A694 & IS 2062 |
| As per Dimensional Standards: ASME/ANSI B16.5, ANSI B16.47, B16.48, API 590, API 605, AWWA C207, BS 10, DIN 2633, MSS-SP-44 |
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(Face Type: Flat Face, Raised Face & Ring Type Joint) |
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Size Range (NPS) – As per ASME B16.5 |
|
Flange Type |
Pressure Class |
|
150 # |
300# |
400# |
600# |
900# |
1500# |
2500# |
|
Threaded |
1/2" - 24" |
1/2" - 24" |
1/2" - 24" |
1/2" - 2-1/2" |
1/2" - 24" |
1/2" - 2-1/2" |
1/2" - 2-1/2" |
|
Slip On |
1/2" - 24" |
1/2" - 24" |
1/2" - 24" |
1/2" - 2-1/2" |
1/2" - 24" |
1/2" - 2-1/2" |
- |
|
Socket Welding |
1/2" - 3" |
1/2" - 3" |
- |
1/2" - 2-1/2" |
- |
1/2" - 2-1/2" |
- |
|
Lap Joint |
1/2" - 24" |
1/2" - 24" |
1/2" - 24" |
1/2" - 24" |
1/2" - 24" |
1/2" - 24" |
1/2" - 24" |
|
Blind |
1/2" - 24" |
1/2" - 24" |
1/2" - 24" |
1/2" - 24" |
1/2" - 24" |
1/2" - 24" |
1/2" - 24" |
|
Weld Neck |
1/2" - 24" |
1/2" - 24" |
1/2" - 24" |
1/2" - 24" |
1/2" - 24" |
1/2" - 24" |
1/2" - 24" |
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Size Range (NPS) – As per ASME B16.47
(Large Diameter Flanges – Series A)
|
|
Flange Type
|
Pressure Class
|
|
150 # |
300#
|
400#
|
600#
|
900#
|
1500#
|
2500#
|
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Weld Neck
|
26" - 60"
|
26" - 60"
|
26" - 60"
|
26" - 60"
|
26" - 48"
|
-
|
-
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Blind
|
26" - 60"
|
26" - 60"
|
26" - 60"
|
26" - 60"
|
26" - 48"
|
-
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-
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Size Range (NPS) – As per ASME B16.47
(Large Diameter Flanges – Series B)
|
|
Flange Type
|
Pressure Class
|
|
75#
|
150 #
|
300#
|
400#
|
600#
|
900#
|
1500#
|
|
Weld Neck
|
26" - 60"
|
26" - 60"
|
26" - 60"
|
26" - 36"
|
26" - 36"
|
26" - 36"
|
-
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Blind
|
26" - 60"
|
26" - 60"
|
26" - 60"
|
26" - 36"
|
26" - 36"
|
26" - 36"
|
-
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Size Range (NPS) – As per ASME 16.48
|
|
Flange Type
|
Pressure Class
|
|
150 #
|
300#
|
400#
|
600#
|
900#
|
1500#
|
2500#
|
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Spectacle Blind
|
1/2" - 24"
|
1/2" - 24"
|
-
|
1/2" - 24"
|
1/2" - 24"
|
1/2" - 24"
|
1/2" - 24"
|
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Single Blind
|
1/2" - 24"
|
1/2" - 24"
|
-
|
1/2" - 24"
|
1/2" - 24"
|
1/2" - 24"
|
1/2" - 24"
|
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Spacer
|
1/2" - 24"
|
1/2" - 24"
|
-
|
1/2" - 24"
|
1/2" - 24"
|
1/2" - 24"
|
1/2" - 24"
|
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Size Range (NPS) – As per API 590 |
|
Flange Type
|
Pressure Class
|
|
150 #
|
300#
|
400#
|
600#
|
900#
|
1500#
|
2500#
|
|
Spectacle Blind
|
1/2" - 24"
|
1/2" - 24"
|
-
|
1/2" - 24"
|
1/2" - 24"
|
1/2" - 24"
|
1/2" - 24"
|
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Single Blind
|
1/2" - 24"
|
1/2" - 24"
|
-
|
1/2" - 24"
|
1/2" - 24"
|
1/2" - 24"
|
1/2" - 24"
|
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Spacer
|
1/2" - 24"
|
1/2" - 24"
|
-
|
1/2" - 24"
|
1/2" - 24"
|
1/2" - 24"
|
1/2" - 24"
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