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Air conditioning hose SELKLIMA DN13 35 bar

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€11.52

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lin. m.

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Manufacturer: HYDRON hydraulika siłowa (go to products)

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Air conditioning hose SELKLIMA DN13 35 bar

The SELKLIMA DN13 35 bar air conditioning hose is a line designed for making, repairing, and reproducing air conditioning lines in vehicles and working machines. The DN13 size indicates an internal diameter of 13 mm, which is 1/2". The hose is used in automotive air conditioning systems operating with the R134a refrigerant in gas and liquid phases, especially where a higher flow is required than with smaller DN08 or DN10 diameters.

The product is available in the HYDRON store as air conditioning hose SELKLIMA DN13 35 bar. It is a hose for A/C systems, not a standard hydraulic, fuel, or pneumatic hose. Its design has been adapted to work with R134a refrigerant, PAG oil, and fluctuating temperatures occurring in engine compartments and automotive air conditioning systems.

Technical parameters

Product: air conditioning hose SELKLIMA DN13 35 bar
Hose type: automotive air conditioning hose
Nominal size: DN13
Internal diameter: 13 mm
Inch diameter according to the HYDRON card: 1/2"
Working pressure: 35 bar
Inner layer: special butyl rubber with very low permeability
Reinforcement according to description: 1 textile braid
Outer layer: special synthetic rubber resistant to high temperature, pin-pricked
Temperature range according to description: from -30°C to +125°C
Working medium: R134a in gas and liquid form
Recommended oil: PAG
Standard according to: SAE J 2064 TYPE B CLASS 1
Color: black
Sale: by the meter
Application: automotive, machine, and service air conditioning lines

DN13 air conditioning hose for R134a refrigerant

SELKLIMA DN13 is a hose designed for transporting R134a refrigerant in air conditioning systems. It can be used for repairing A/C lines in passenger cars, vans, trucks, buses, agricultural tractors, combine harvesters, excavators, loaders, and other commercial vehicles. The DN13 size works well in sections where a higher refrigerant flow is required than with DN08 or DN10 lines.

When completing a repair, it is worth using components designed for air conditioning, not random technical fittings. In the HYDRON store, you will find the full group of parts in the category automotive air conditioning fittings. This is the right section for selecting hoses, fittings, ferrules, connectors, and accessories for A/C systems.

Why must an air conditioning hose be different from a standard technical hose?

An air conditioning system operates with a refrigerant that requires a low-permeability hose. A standard rubber hose may look similar but might not limit the loss of R134a through the hose wall. In practice, this leads to gradual refrigerant loss, a decrease in cooling efficiency, and more frequent system servicing.

The SELKLIMA DN13 hose has an inner layer of butyl rubber with very low permeability. This is one of the key features of an A/C hose. Thanks to this, the hose can work in an automotive air conditioning system where leak tightness, temperature resistance, compatibility with PAG oil, and durability after crimping with appropriate fittings are crucial.

Steel braid in the SELKLIMA DN13 hose

The hose reinforcement consists of one steel braid. In the HYDRON product card, the type of reinforcement is described as a stainless steel braid. Such a design increases the hose's pressure resistance and stabilizes its operation in the system. This is important in vehicles and machines where the air conditioning hose is exposed to vibrations, temperature changes, compressor operation, and engine movement relative to the body or frame.

However, a steel braid does not mean the hose can be used as a hydraulic hose. SELKLIMA DN13 is an air conditioning hose for R134a and PAG oil. For power hydraulics, you must use separate hydraulic and industrial hoses, matched to the hydraulic oil, working pressure, temperature, and type of fittings.

Working temperature and installation conditions

The product card specifies a working temperature range from -30°C to +100°C, with the possibility of temporary operation up to +125°C. The product description also features a range from -30°C to +125°C. When installing in a vehicle, it is best to take a safe approach and avoid routing the hose in places particularly exposed to constant overheating, contact with the exhaust manifold, turbocharger, or sharp edges.

The hose should be routed without axial twisting, without bending on too small a radius, and without stretching the fittings. In the engine compartment, it is worth maintaining the factory hose routing or using brackets that limit rubbing against metal components. A well-routed A/C hose retains leak tightness longer and reduces the risk of damage at the fittings.

Selection of fittings for the DN13 air conditioning hose

The hose itself does not yet form a ready air conditioning line. To make a complete section, appropriate fittings and crimping ferrules matched to the DN13 hose design are required. Air conditioning fittings differ from classic hydraulic fittings. They must be compatible with the refrigerant, compressor oil, hose diameter, and crimping method.

To select fittings, it is worth visiting the section air conditioning hose fittings. There you will find straight, angled, and service fittings used in repairing A/C lines in cars, agricultural machines, trucks, and special vehicles.

Crimping ferrules for the SELKLIMA DN13 hose

An air conditioning ferrule must be matched to the diameter and design of the specific hose. For the SELKLIMA DN13 hose, not only the 13 mm internal diameter is important, but also the external diameter, braid type, and wall thickness. A poorly chosen ferrule can cause a leak, damage to the inner layer, or too weak a fitting crimp.

Components for the correct crimping of the hose can be selected in the category air conditioning hose ferrules. A ferrule should not be selected based solely on the nominal DN13 size. It is safest to match it with a specific type of hose and fitting.

Where is the DN13 air conditioning hose used?

The DN13 hose is used when repairing air conditioning lines in vehicles and machines where a larger hose cross-section is required. It can operate in sections of the system between the compressor, condenser, dryer, evaporator, and expansion valve, if the vehicle documentation or measurement of the old hose indicates exactly this size. Typical applications include A/C systems in vans, trucks, buses, tractors, combine harvesters, excavators, and loaders.

Before ordering, it is best to compare the old hose after disassembly. Check the diameter, length, fitting type, exit angles, routing in the vehicle, and mounting method. In automotive air conditioning, the hose itself is not the only thing that matters. Leak tightness is determined by the entire ready hose assembly: the hose, ferrules, fittings, crimping, and correct routing in the machine.

SELKLIMA DN13 and other air conditioning hose sizes

SELKLIMA air conditioning hoses are available in several diameters. DN13 is not a substitute for DN10 or DN16, even if the hoses look visually similar. They differ in flow, diameter, external diameter, required ferrules, and fittings. When selecting, you must stick to the actual size of the A/C system.

If a smaller hose is needed, you can compare the air conditioning hose SELKLIMA DN10 35 bar or air conditioning hose SELKLIMA DN08 35 bar. If the system requires a larger diameter, check the air conditioning hose SELKLIMA DN16 35 bar.

When to choose DN13 instead of DN10?

DN13 is chosen when the factory installation provides for a larger hose diameter or when the reproduced A/C system section has a 13 mm dimension. Do not unnecessarily increase the hose diameter because the air conditioning system is designed as a whole. Changing the cross-section can affect flow, refrigerant amount, compressor operation, and temperature stability.

If the old hose does not have a legible marking, it is worth measuring the diameter and comparing the fittings. In practice, it is often better to reproduce the hose according to the existing pattern than to select it solely based on the vehicle description. In older machines, air conditioning systems are sometimes modified, so the actual hose may differ from the original documentation.

Comparison with Continental DN13 hoses

The HYDRON offer also includes air conditioning hoses of other types. If a hose with a different design is needed, you can compare the air conditioning hose CONTINENTAL DN12. It is not an automatic replacement for SELKLIMA DN13, so before choosing, you must check the diameter, reinforcement type, ferrules, fittings, and crimping method.

Differences between air conditioning hoses may be minor from the outside but technically significant. A different external diameter or braid type requires a different ferrule. A different bending radius can change the routing method in the vehicle. Therefore, when repairing an A/C line, the whole thing should be selected as a system, not a single element.

Most common mistakes when selecting the DN13 air conditioning hose

The most common mistake is selecting the hose based only on the internal diameter. For air conditioning, you must also check the design type, external diameter, ferrules, fittings, R134a refrigerant, PAG oil, and working temperature. The second mistake is using a standard technical hose as a substitute for an A/C hose. Such a hose may not provide sufficiently low refrigerant permeability.

The third problem is routing the hose too tightly in the engine compartment. The hose should not operate on a sharp bend or rub against the frame, covers, fan, or accessory belt. The fourth mistake is crimping the fitting with the wrong ferrule. The fifth problem is the lack of a leak test after making the hose assembly. In air conditioning, even a small leak can cause a drop in cooling efficiency over time.

Hose sold by the meter - how to choose the length?

The SELKLIMA DN13 hose is sold by the meter, so before purchasing, it is worth determining the exact required length. It is safest to measure the old hose or plan the new routing directly on the vehicle. You need to account for bends, the fitting crimping location, routing in brackets, and the slack needed for the natural movement of the engine or accessories.

A hose that is too short will stretch the fittings and may cause a leak. A section that is too long can create loops, rub against vehicle components, and suffer mechanical damage faster. In air conditioning lines, the correct length is just as important as the correct diameter selection.

Why buy an air conditioning hose at HYDRON?

HYDRON supplies hoses, ferrules, fittings, and accessories for repairing automotive and machine air conditioning systems. Thanks to a wide offer, you can select not only the hose itself but also the components needed to make a complete A/C line. This is particularly important for workshops, machine services, and users who want to perform the repair technically correctly, without random substitutes.

When selecting a hose, it is worth preparing a photo of the old section, the diameter dimension, fitting types, length, and information about the vehicle or machine. This allows you to quickly select the correct DN13 hose, ferrules, and fittings, and reduces the risk of leaks after installation.

FAQ

What is the SELKLIMA DN13 air conditioning hose used for?

The hose is used for transporting R134a refrigerant in gas and liquid form in automotive air conditioning systems.

What diameter is the SELKLIMA DN13 hose?

The DN13 size indicates an internal diameter of 13 mm, which is 1/2" according to the HYDRON card.

What is the working pressure of this hose?

According to the product name, the hose is designed to operate at a pressure of 35 bar.

What braid does the SELKLIMA DN13 hose have?

The product description indicates one steel braid, and the card parameters define the reinforcement as a stainless steel braid.

What is the working temperature range?

The card parameters specify a range from -30°C to +100°C, temporarily +125°C. The product description also features a range from -30°C to +125°C.

What oil is recommended for the SELKLIMA DN13 hose?

PAG oil is recommended for this hose.

Is SELKLIMA DN13 suitable for power hydraulics?

No. It is an automotive air conditioning hose designed for R134a refrigerant, not a standard hydraulic hose for high-pressure oil.

What should I check before buying a DN13 air conditioning hose?

Before purchasing, you should check the DN13 diameter, R134a refrigerant type, PAG oil, type of fittings, crimping ferrules, hose routing, working temperature, and the requirements of the specific A/C system.