D I Pipes

DI Flange Pipes

Our vender manufactures DI Flange Pipe utilising Flanging technologies of
A) Screwing
B) Welding

The Company experties and experience in screwing technology. the DI Flanges are tightened/screwed fit on either side of the spun pipes by machines.
welded Flange Pipes are manufactured by welding DI Flanges on either side of DI spun Pipes

The technology is generally used following Indian standards as below:-

Size Range(DN)

Flanging Technology

80-450mm

Both Screwing/welding technology

500-1000mm

Welding technology

DI Flange Pipe Range:-

  • Size : 80 mm to 1000 mm
  • Length : Available in mix and std. Lengths up to 6m.
  • Pressure Ranges : PN 10.
  • Class of Pipes : K9.

The Pipes are generally supplied with inside Cement Mortar Lining (OPC) and outside Zinc coating followed by Bitumin coat

DI Flange Pipe Application :-

1. Vertical Pipe Lines: for overhead Tanks / Elevated Service Reservoirs (ESR'S)

2. Disengagement Requirements:

  • Application where pipelines are disengaged / dismantled for cleaning like in treatment plants for water, Effluent, Sewage and pump houses.
  • Temporary installations, applications where pipelines are transferred from one location to other, require Flange Pipes like temporary pipelines required for De-Watering mines or heavily inundated areas
  • Over Ground and Exposed Installation: Flange Pipes are most suitable for over ground pipelines like portions of Pipelines on Pillars / Pedestals for Rivers / Canal or Road crossing and bridges.
  • Fire Fitting Systems
  • For Laying in Hilly Areas / Slopes, even exceeding the Angles of Response.

Standard Flange Drilling PN-10:-

 

Range from DN 80 to DN 1000

DI Flange Pipe Mechinical Properties IS : 8329 :-

Size (DN)(mm)

Tensile Strength (Min)

Elongation at break (Min)

Hardness (Max)

Pipe 80-1000mm

420 MPa

10%

230HB

Flange

420 MPa

5%

250HB

 

 

DI Flange Pipe Hydrostatic test pressure at works (MPa) :-

Size (DN)(mm)

PN10

PN16

PN25

PN40

80-300

1.6

2.5

3.2

4.0

350-600

1.6

2.5

3.2

4.0

700-1000

1.6

2.5

3.2

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