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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 API 605 |
|
Flange Type |
Pressure Class |
|
150 # |
300# |
400# |
600# |
900# |
1500# |
2500# |
|
Weld Neck |
26" - 48" |
26" - 48" |
26" - 48" |
26" - 48" |
26" - 48" |
- |
- |
|
Blind |
1/2" - 36" |
1/2" - 36" |
1/2" - 36" |
1/2" - 36" |
- |
- |
- |
|
| |
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Size Range (NPS) – As per AWWA C207 |
|
Flange Type |
Pressure Class |
|
CLASS B (86 psi) & D (175
- 150 psi) |
|
Slip On |
4" - 120" |
|
Blind |
4" - 120" |
|
| |
| |
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Size Range (NPS) – As per MSS – SP – 44 |
|
Flange Type |
Pressure Class |
|
150# |
300# |
400# |
600# |
900# |
1500# |
2500# |
|
Weld Neck |
26" - 48" |
26" - 48" |
26" - 48" |
26" - 48" |
26" - 48" |
- |
- |
|
Blind |
26" - 48" |
26" - 48" |
26" - 48" |
26" - 48" |
26" - 48" |
- |
- |
|
| |
| |
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Process Wise Range (NPS)
|
|
Flange Type |
FORGED |
PLATE |
|
Slip On
|
1/2" - 36"
|
1" - 88"
|
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Threaded
|
1/2" - 8"
|
-
|
| Socket Weld
|
1/2" - 4"
|
-
|
|
Weld Neck
|
1/2" - 36"
|
-
|
| Lap Joint
|
1/2" - 24"
|
1" - 12"
|
|
Blind
|
1/2" - 36"
|
1" - 88"
|
| Spectacle Blind
|
1/2" - 24"
|
1" - 12"
|
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Single Blind
|
1/2" - 24"
|
1" - 12"
|
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Spacer
|
1/2" - 24"
|
1" - 12"
|
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Ring Type
|
-
|
4" - 30"
|
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Manhole
|
-
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As per Drawing
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| Orifice
|
-
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As per Drawing
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| Other / Equivalent Dimensional Standards in ASME, MSS SP, API, DIN, BS, JIS & IS can also be followed as per applicability |
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