Kronos Pipe Flexible Refrigeration Tubing Kit Ø 3/8" 5/8" - 6 Meter Roll

The Zimaklima Kronos Pipe 6005-3858 flexible refrigeration pipe kit is designed to make refrigerant connections between the indoor and outdoor units of direct expansion air conditioning systems. The set includes 2 rolls of 6 meters, one 3/8 inch and the other 5/8 inch, providing the two lines required for many HVAC units.

Kronos Pipe stands out for its flexibility, light weight, and ease of handling. Its structure allows the pipe to adapt to bends and changes in direction without the need for tools to shape it, making it especially suitable for complex runs, narrow passages, and hard-to-reach spaces.

Kronos Pipe 3/8 and 5/8 inch kit for air conditioning

The 6005-3858 reference belongs to Zimaklima's Kronos Pipe system and is made up of:

• 1 roll of 3/8 inch Kronos Pipe tubing, 6 meters long.
• 1 roll of 5/8 inch Kronos Pipe tubing, 6 meters long.

This combination of diameters can be used in HVAC equipment whose refrigerant connections require 3/8 and 5/8 inch lines. Before installation, it is always necessary to check the dimensions specified by the air conditioning manufacturer.

Flexible tubing that makes installation easier

One of the main features of Kronos Pipe is its ability to adapt to different curves and angles. Unlike conventional rigid piping, its flexible construction makes it easier to route the refrigerant line and allows the pipe path to be adjusted during installation.

This feature is especially useful in installations with numerous direction changes, runs through false ceilings, shafts, conduits, or areas where limited space makes handling rigid pipes difficult.

Its reduced weight also makes the material easier to transport and handle during installation.

Compatible with R32 and R410A refrigerants

The Kronos Pipe system is developed for direct expansion refrigerant circuits and is compatible with different refrigerants commonly used in air conditioning and refrigeration equipment.

According to the system's technical documentation, it can be used with the following refrigerants:

• R32.
• R410A.
• R134a.
• R404a.
• R407c.

It is also designed for refrigerant transport in both liquid and gaseous state, always within the pressure and temperature conditions established for the system.

Kronos Pipe is not compatible with R22 refrigerant.

7-layer multilayer structure

Kronos Pipe tubing uses a 7-layer multilayer structure, designed to combine tightness, mechanical strength, external protection, and thermal insulation.

Its construction consists of:

• Inner layer of long-chain polyamide.
• Four-layer aluminum protective film.
• High-tenacity synthetic fiber braid.
• Intermediate polymer coating with high barrier effect.
• Outer layer resistant to wear, ultraviolet rays, and abrasion.
• Closed-cell expanded polyethylene foam insulation.
• Outer protective polyethylene film resistant to ultraviolet rays.

This composition makes it possible to integrate refrigerant flow and line insulation into a single system.

Built-in thermal insulation

The pipes included in the kit feature closed-cell expanded polyethylene foam insulation. This insulation helps limit thermal exchange between the refrigerant and the outside environment and helps control condensation.

The outer protective film also provides resistance to ultraviolet rays, wear, and abrasion, protecting the pipe during handling and installation.

Operating temperature from -30 to 110 degrees Celsius

Kronos Pipe is designed to operate across a wide temperature range. Zimaklima specifies an operating temperature between -30 and 110 degrees Celsius.

The system can also withstand occasional peaks of up to 130 degrees Celsius, always intermittently and within the conditions indicated by the manufacturer.

Maximum operating pressure of 80 bar

The maximum operating pressure indicated by Zimaklima for the Kronos Pipe system is 80 bar. The tubing has also been tested and certified up to 100 bar.

These features allow the system to be used with modern refrigerants that operate at high pressures, such as R32 and R410A, always respecting the design and operating conditions of the HVAC equipment.

3/8 inch tubing specifications

• Nominal diameter: 3/8 inch.
• Nominal inner diameter: 8.4 millimeters.
• Inner diameter tolerance: 0.1 millimeters.
• Nominal outer diameter: 13 millimeters.
• Outer diameter tolerance: 0.15 millimeters.
• Minimum burst pressure: 400 bar.
• Test pressure: 100 bar.
• Length variation at working pressure: plus or minus 1 percent.
• Minimum bending radius: 95 millimeters.
• Approximate weight: 125 grams per meter.

5/8 inch tubing specifications

• Nominal diameter: 5/8 inch.
• Nominal inner diameter: 13.8 millimeters.
• Inner diameter tolerance: 0.1 millimeters.
• Nominal outer diameter: 19.9 millimeters.
• Outer diameter tolerance: 0.2 millimeters.
• Minimum burst pressure: 200 bar.
• Test pressure: 100 bar.
• Length variation at working pressure: plus or minus 1 percent.
• Minimum bending radius: 170 millimeters.
• Approximate weight: 190 grams per meter.

Designed for direct expansion systems

Kronos Pipe is designed to make the connection between indoor and outdoor units of direct expansion systems. Its flexibility makes it easier to adapt the line to the required route between both units.

The technical documentation establishes EN 1736:2008 as the reference standard, relating to flexible piping components used in refrigeration systems and heat pumps.

Main features of the Zimaklima Kronos Pipe 6005-3858

• Brand: Zimaklima.
• Range: Kronos Pipe.
• Reference: 6005-3858.
• Product type: insulated flexible refrigeration pipe kit.
• Contents: 2 rolls of tubing.
• Length of each roll: 6 meters.
• Included diameters: 3/8 and 5/8 inch.
• Application: refrigerant connection for direct expansion systems.
• Compatible refrigerants: R32, R410A, R134a, R404a and R407c.
• Compatible with R22: no.
• Operating temperature: between -30 and 110 degrees Celsius.
• Maximum intermittent temperature: 130 degrees Celsius.
• Maximum operating pressure: 80 bar.
• Test pressure: 100 bar.
• Construction: 7-layer multilayer tubing.
• Insulation: closed-cell expanded polyethylene foam.
• External protection: resistant to ultraviolet rays, wear, and abrasion.
• Reference standard: EN 1736:2008.

Flexible kit for 3/8 and 5/8 inch refrigeration installations

The Zimaklima Kronos Pipe 6005-3858 brings together the 3/8 and 5/8 inch refrigerant lines in a single kit, with 6 meters in length each, making installation easier for HVAC equipment compatible with these sizes.

Its multilayer structure, integrated insulation, flexibility, and compatibility with refrigerants such as R32 and R410A make it possible to route refrigerant lines adapted to the available space, always respecting the connection specifications and operating conditions indicated by the equipment manufacturer.