CI puddle flange

General Specifications:

Parameter Details
Material Cast Iron (CI), as per IS 210 (Grade FG 150 / FG 200)
Size Range DN 80 to DN 600 (or customized)
Outer Diameter Pipe OD + 100–200 mm (depends on project spec)
Thickness 8 mm to 25 mm (depending on pipe diameter and pressure)
Flange Width 75 mm to 200 mm
Perforation/Anchor Provided with ribs, anchor rings, or serrated edge to grip concrete
Surface Finish Black Bitumen Coated / Red Oxide Primer / Epoxy Coated
End Connection Spigot / Flanged / Socket End
Standards IS 1538 (for flanged fittings), IS 210 (for CI material)
Pressure Rating PN 1.0 to PN 1.6 MPa
Weight Heavy – varies with size and thickness

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📌 Key Features:

  • High mechanical strength

  • Long service life under buried or embedded conditions

  • Excellent resistance to external loads and stress

  • Suitable for both gravity flow and low-pressure systems


🧰 Applications:

  • Sewage treatment plants (STP)

  • Underground pipelines and manholes

  • Concrete water storage tanks

  • Pumping stations

  • Utility pipe entries in basements or foundation walls


🔧 Installation Notes:

  • Embedded during concreting to form an integral, watertight barrier

  • Proper alignment is crucial

  • Joint sealing with bitumen mastic, lead, or rubber gasket depending on system design

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