DI Screwed Welded Flanged Pipes IS8329 Class K9
Ductile Iron Double Flanged Pipes IS:8329 Class K9 with Screwed On (or) Weld On Flanges
Application
Over-ground and exposed installations
Ideal for over-ground pipelines and crossovers (such as on pillars, over a canal or other water bodies, roads, bridges etc.)
Vertical pipelines
Any vertical pipelines used in treatment plants, pump houses, elevated/overhead service reservoirs.
Interconnection and connection for accessories
In pump house and water and sewage treatment plants where, various units and accessories are inter-connected.Flanged pipes are not meant for underground installation. Due to the risk of excessive bending moments being imposed, it is recommended that the flanged pipeline is not buried.
Types of Ductile Iron Flanged Pipes Class K9
| Type of Flanged Pipe | Diameter Range | Pressure Rating |
|---|---|---|
| Weld On Flange Pipes Flanges are welded on either or both ends of the barrel. Flanges are sometimes welded on the barrel at a point other than the ends which are called Puddle flanged Pipes or Wall Casting Pipes | 100mm to 1000mm | PN 10 (or) PN 16 |
| Screwed On Flange Pipes Flanges are screwed on to the barrel of the pipes and then sealed with a sealing compound | 100mm to 450mm | PN 10 (or) PN 16 |
DI/CI PIPES
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CI Casted Flanged Pipes IS 7181 IS 1537 -
CI Earth Pipes IS3043
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CI Hubless Pipes & Fittings IS15905
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CI Soil Pipes & Fittings IS3989
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CI Screwed Flanged Pipes IS 1536 Class A, B
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CI Socket Spigot Pipes IS 1536 Class LA A B
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CI Plain Ended Pipes IS1536 & BS 1211 Class D for Ash Handling
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DI Screwed Welded Flanged Pipes IS8329 Class K9
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DI Socket Spigot Pipes IS8329 Class K7 & K9
