π΅ MS Flange β Class 150 Size Chart (ANSI / ASME B16.5)
Commercial Flanges | Manufacturer & Supplier β Iglele β Industrial Goods Le Le πΌπ¦β¨
π· Product Overview
IGLELE Mild Steel (MS) Class 150 Flanges are heavy-duty industrial pipe flanges manufactured as per ANSI / ASME B16.5 standards.
These flanges are widely used in oil & gas pipelines, water systems, chemical plants, refineries, fire-fighting networks, HVAC and industrial utilities.
Class 150 flanges are designed for higher pressure and temperature compared to BS10 Table D flanges and are ideal for critical industrial piping systems.
π· MS Flange β Class 150 Size Chart
(ANSI / ASME B16.5 β Metric Dimensions used in India)
(ANSI / ASME B16.5 β Metric, Commercial Indian Use)
| NB (Inch) | Pipe OD (mm) | Flange OD (mm) | PCD (mm) | Bolt Holes | Hole Dia (mm) | Thickness (mm) |
|---|---|---|---|---|---|---|
| Β½” | 21.3 | 88.9 | 60.3 | 4 | 15.9 | 11.1 |
| ΒΎ” | 26.7 | 98.4 | 69.9 | 4 | 15.9 | 12.7 |
| 1″ | 33.4 | 108.0 | 79.4 | 4 | 15.9 | 14.3 |
| 1ΒΌ” | 42.2 | 117.5 | 88.9 | 4 | 15.9 | 15.9 |
| 1Β½” | 48.3 | 127.0 | 98.4 | 4 | 15.9 | 17.5 |
| 2″ | 60.3 | 152.4 | 120.7 | 4 | 19.1 | 19.1 |
| 2Β½” | 73.0 | 177.8 | 149.2 | 8 | 19.1 | 20.6 |
| 3″ | 88.9 | 190.5 | 154.9 | 8 | 19.1 | 22.2 |
| 4″ | 101.6 | 228.6 | 177.8 | 8 | 19.1 | 23.8 |
| 5″ | 127.0 | 254.0 | 209.6 | 8 | 22.2 | 25.4 |
| 6″ | 152.4 | 279.4 | 235.0 | 8 | 22.2 | 26.9 |
| 8″ | 219.1 | 342.9 | 292.1 | 8 | 22.2 | 30.2 |
| 10″ | 273.0 | 406.4 | 355.6 | 12 | 25.4 | 33.3 |
| 12″ | 323.9 | 482.6 | 406.4 | 12 | 25.4 | 35.0 |
| 14″ | 355.6 | 533.4 | 457.2 | 12 | 28.6 | 38.1 |
| 16″ | 406.4 | 596.9 | 514.4 | 16 | 28.6 | 41.3 |
| 18″ | 457.2 | 635.0 | 546.1 | 16 | 31.8 | 44.5 |
| 20″ | 508.0 | 698.5 | 609.6 | 20 | 31.8 | 47.6 |
| 24″ | 609.6 | 812.8 | 717.6 | 20 | 35.0 | 53.9 |
| 30″ | 762.0 | 965.2 | 863.6 | 28 | 38.1 | 63.5 |
| 36″ | 914.4 | 1117.6 | 1016.0 | 32 | 41.3 | 69.9 |
(Dimensions as per ANSI / ASME B16.5 Class 150 standard β commonly used in India and international projects)
π· Pressure & Temperature Rating
-
Pressure Class: Class 150
-
Approx. Working Pressure: ~19.6 Bar (285 PSI)
-
Temperature Range: Depends on material & gasket selection
Class 150 flanges are suitable for higher pressure and temperature than BS10 Table D (PN10) flanges.
π· Applicable Standards
IGLELE Class 150 flanges comply with:
-
ANSI / ASME B16.5
-
ASTM A36 / ASTM A105 (Material)
-
IS 2062 (MS Material)
-
DIN / EN / ISO (on request)
π· Material & Surface Finish
-
Material:
-
Mild Steel (IS 2062 / ASTM A36)
-
Carbon Steel (ASTM A105 β on request)
-
-
Finish:
-
Black finish
-
Zinc plated
-
Hot Dip Galvanized
-
π· Flange Types Available
-
Slip On (SO)
-
Weld Neck (WN)
-
Blind
-
Socket Weld
-
Threaded
π· Flange Facing & Bore
-
Facing:
-
Raised Face (RF) β Standard
-
Flat Face (FF) β On request
-
-
Bore:
-
Plain bore
-
Machined to pipe OD
-
As per drawing
-
π· Gasket Compatibility
| Service | Recommended Gasket |
|---|---|
| Water | Rubber / CNAF |
| Oil | CNAF / PTFE |
| Chemical | PTFE |
| Steam | Spiral Wound |
| Food & Pharma | PTFE / Silicone |
π· Installation Guidelines
β Clean flange faces
β Use correct size gasket
β Tighten bolts in cross pattern
β Apply proper torque
β Conduct hydro / air pressure testing
π· Quality & Inspection
-
Visual inspection
-
Dimensional check
-
PMI & Hydro testing available on request
π· Important Availability Notice
β IGLELE does not manufacture or stock all flange sizes and types.
Availability depends on size, material, pressure class and standard.
Please confirm with our sales team before placing an order.
π· Custom Flange Manufacturing β IGLELE
IGLELE manufactures custom flanges in:
-
Mild Steel (MS)
-
Stainless Steel (SS 304 / 316 / 316L)
-
Carbon Steel
-
Alloy Steel
-
Duplex & Super Duplex
We supply:
β Non-standard sizes
β Special PCD & OD
β Heavy-duty thickness
β Drawing-based & OEM flanges
π· How to Order
To quote correctly, please share:
-
Size (NB / Inch)
-
Pressure Class (Class 150 / 300 / etc.)
-
Flange Type (SO / WN / BL)
-
Facing (RF / FF)
-
Quantity
-
Application
π΅ Order Now β Contact IGLELE
π Call Now: +91 9800150888
π§ sales@iglele.com
π www.iglele.com
Iglele β Industrial Goods Le Le πΌπ¦β¨
Your trusted manufacturer and global supplier of MS flanges, SS flanges, pipe fittings and custom-engineered industrial components.









There are no reviews yet.