Ductile iron threaded fittings

Ductile iron threaded fittings

What is a ductile iron threaded fittings?

Pipe fittings made of ductile iron provide more robust, longer-lasting connections than those made of other threaded materials. They are half as heavy as Ductile iron threaded fittings but twice as strong.

Ductile iron is produced when ferrosilicon and magnesium combine to transform normal cast iron into nodule-shaped crystalline graphite.

When heated appropriately, ductile iron threaded fittings can withstand tensile loads of up to 120,000 psi, significantly more than the 21,000 to 31,000 psi tensile strength of cast iron fittings.

Ductile iron threaded fittings specification

Ductile iron threaded fittings material

Choose suppliers of DI screwed tee/ union wisely if they can fulfill your requirements or not in Dubai

can ductile iron pipe be threaded

When heated appropriately, ductile iron threaded fittings can withstand tensile loads of up to 120,000 psi, significantly more than the 21,000 to 31,000 psi tensile strength of cast iron fittings.

The ends of threaded pipes are joined (or sealed off) by threaded fittings. Pipes can also have their direction changed by them. It is possible to fit male threads on the outside of the pipes into female threads inside the fittings or vice versa.

As a result, threaded pipe fittings frequently support the weight loads of adjacent pipes. Gray cast iron fittings can support only half as much weight as ductile iron threaded fittings.

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How to install di threaded inserts straight?

Step 1: Prepare the Threaded Insert and Tap Bolt for Installation by drilling the hole. Drilling the appropriate-sized hole is the first step (assuming there isn’t one already).

Step 2 is to insert the Tap Bolt. The hexagonal head of a tap bolt is driven outside. Compared to the threaded insert head, this head will sit wider.

Step 3: Start the Insert by Installing the Threaded Insert with a Socket Wrench. From this point forward, installing the DI threaded fittings insert is simple. Take the assembly and start manually threading it into the hole, hex head outward.

Check out the DI screwed bushing/ boss sizes, specifications, and pricing list in Sharjah.

Why are ductile iron fittings lined with cement?

For fluid distribution systems, ductile iron is frequently used in place of cast iron pipe. The concept of lining cast iron pipes with ductile iron was first used in Charleston, South Carolina, in 1922.

The internal wall of the pipe is lined with cement or mortar to slow the progress of tuberculation within the network of DI screwed tee.

The pipe’s susceptibility to corrosion is decreased by the cement/mortar lining, which creates a region of high pH close to the pipe wall and acts as a barrier between the water and the pipe.

See a listing of reliable and licensed importers of ductile iron screwed elbow/ cap in the Middle East.

What is the difference between pressure class and thickness class of ductile iron threaded elbow?

When we speak with engineers, distributors, or builders, the distinction between “Thickness Class” and “Pressure Class” pipe frequently confuses users.

Both, however, relate to a certain metal wall thickness of the pipe’s barrel. The two class standards’ histories and which class of ductile iron pipe to employ for your application.

When “Cast” or “Gray” iron was replaced with Ductile iron screwed elbow in 1965, pipe makers agreed that there should be a uniform procedure for assessing wall thickness.

The inherent strength advantage of ductile iron over its cast-iron predecessor was taken into account by this new standard.

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DI threaded union features and benefits

Applications for DI-threaded unions in both municipal and industrial settings include the following:

  • Protection against fire Process piping system
  • Wastewater and water, etc.
  • Designed to avoid corrosion and damage in piping systems brought on by galvanic and stray currents by installing DI screwed bushing that is not identical to one another. Construction Features: Brass threaded/solder coupler with an electro-galvanized threaded steel body with an integrated sweat end on one side.
  • Metal-to-metal contact is avoided by using a separator gasket and dielectric coupler sleeve.
  • Construction that complies with lead-free installation criteria must be lead-free.

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