What Is Ductile Iron Double Flanged Pipe And Its Advantages

Flanged Pipes are generally used over ground and places of specialized application requiring restrained joints. Flanged pipes are appropriate for vertical installation and places where pipes possibly disengaged temporarily for cleaning or transfer from one location to the other. Ductile Iron Double Flanged Pipe has several advantages over other flanged pipes available. They are stronger because of advanced tensile strength and better impact resistance. Moreover they are lighter to use and do not break under sudden impact.

Ductile Iron Double Flanged Pipe from Supra Group

We manufacturer flanged pipes using all three methods, that is, welding Flanged pipes, screwed flanged pipes and cast flanged pipes.

APPLICATION

#1: As Restrained Joint

Flanged Joints are inflexible but can act as a restrained joint, reducing the necessity of thrust blocks and external restraining devices.

#2: Over-ground and Exposed Installations

Perfect for over-ground pipelines and crossovers (for example on pillars, over a canal or other water bodies, roads, bridges etc)

#3: Vertical Pipelines

Any vertical pipelines utilized in treatment plants, pump houses, Elevated / Overhead Service Reservoirs.

#4: Interconnection and Connection for Accessories

In pump house, water & sewage treatment plants where different units and accessories are inter-connected.

#5: Temporary Installations

Applications where pipelines require be disengaging or transferring from one location to the other

ADVANTAGES

Ductile Flanged Pipes made by us have numerous advantages over other flange pipes available. A few of these are highlighted below:

#1: Stronger

Ductile Iron Flanged Pipes are much stronger due to the higher tensile power & better impact resistance.

#2: Higher Factor of Safety

It offers higher factor of safety against pressure fluctuations, water hammer and outside impacts.

#3: Lighter to Use

DI Flange Pipes are lighter, reducing handling & transportation charge.

#4: Negligible Breakages in Transit and During Handling

Do not break on sudden impacts. Loss due to transportation and handling are minimized.

#5: Reduced Pumping Costs

Centrifugally cement mortar lined pipes resulting in a soft inside surface that also diminish friction loss.

#6: Longer Life and Excellent Corrosion Resistance

Inside cement mortar lining does not permit corrosion of inside surface. The external Zinc/ Bitumen coating offer extra protection against external corrosion

#7: Better Casting Process

Centrifugal casting of pipe barrel guarantee compact casting and reduces casting defects like blowholes, pinholes, slag inclusion & core displacement.

#8: Dimensional Accuracy and Better Finish

Centrifugal casting ensures uniform wall thickness and superb surface finish. In green sand casting uniform width cannot be achieved because of floating, shifting or deformation of the core.

JOINTING PROCEDURE FOR DI FLANGE PIPES:

·        Clean the fact of the flanges

·        Inspect the gasket for any damage or manufacturing fault

·        Align the pipes correctly and position the gasket between the flanges.

·        Put the bolts into the flange holes one by one maintain the alignment

·        Keep the gap between the flanges roughly uniform while tightening

·        Tighten four location bolts in order to approximately secure the adjoining flange.

·        Bolts to be tightened in the correct sequence and to the suitable torque.

·        Tighten nuts to finger tight

·        Check alignment of flange face & gasket

·        Insert remaining bolts & tighten nuts to finger tight

·        Finish with one final pass by proving torque in a clockwise direction.

·        Tighten to 100 percent of estimated torque using the same sequence.

Like Electrosteel Iron Pipe, Supra group is the most prominent Ductile Iron Double Flanged Pipe manufacturers in India that has the solution to your specific requirements.

 

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