Copper Lengths

Copper Lengths in UAE

“Type K”, “Type L”, “Type M”, and “Type DWV” are the most common wall thicknesses of copper tubing in the United Arab Emirates

• Type K has the thickest wall section of the three-pressure rated tubing types, and is typically used for deep underground burial, such as under sidewalks and streets, with a corrosion protection coating or continuous polyethylene sleeve as specified by the plumbing code. It is generally printed in green in the UAE. In the refrigeration industry, this pipe identification is utilized.
• Type L is utilized in residential and commercial water supply and pressure applications and has a thinner pipe wall section. It is generally printed in blue in the UAE.
• Type M has a thinner pipe wall section and is employed in low-pressure heating applications in both residential and commercial settings. It is commonly printed in red in the UAE.
• Type DWV has the thinnest wall section and is typically used in non-pressurized applications such as drain, waste, and vent (DWV) lines. It is commonly printed in yellow or light orange in the UAE, with common sizes being 1+14, 1+12, and 2-inch copper tubes.
• Types K and L are typically available in both hard drawn straight sections and soft annealed tubing rolls, but type M and DWV are typically available solely in hard drawn straight sections.

Prominent Features of Copper

Durability of materials

Because of modern technology and the rising cost of copper, manufacturers are using thinner and thinner copper. Because the new refrigerant replacing the old HCFCs operates at greater pressures, the thinner copper tube and higher operating pressures make the modern copper coil more likely to spring a leak.

Easy to solder

The installation of an air conditioner frequently necessitates pipe bending. The bending required for air conditioner installation is simply too much for fragile materials, and the risk of pipe breakage is significant.

Copper is not brittle and can be bent without losing its tensile strength. As a result, copper pipes can be utilized for both refrigerant pipes and heat exchangers in air conditioners.

The Importance of Soft Copper

Soft copper is flexible and comes in 25-foot or 50-foot rolls. Outer diameters typically range from 1/8 inch to 13/8 inch. The tube has ACR markings on it to show that it is used for air conditioning and refrigeration. These parts are cleaned and dehydrated during manufacture to remove moisture from the tube. The container is subsequently filled with nitrogen gas and sealed.

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