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Refrigeration hoses are specialized, multi-layered conduits designed to safely transfer liquid and gaseous refrigerants across HVAC/R, automotive, and industrial systems. Engineered for low permeability, high burst pressure, and vibration resistance, they ensure leak-free operation, environmental compliance, and safe maintenance.
Minimized Leakage of Refrigerant and Environmental Friendly
Utilizing high performance synthetic rubber, including ultra-low permeability Nylon/PA, IIR, etc., as the core tube, our hoses greatly reduce the permeability of refrigerant (R134a, R410a, R404a, R32, etc.) molecules to the lowest possible level, minimizing the loss of refrigerants and maintenance costs, complying with the emission standards worldwide.
01
Superb Pressure and Burst Performance
Reinforcing hoses by braided fiber or stainless steel wire, high tensile strength, higher working pressure and burst pressure, able to withstand high pressure impulse, up to 60 MPa and above, the explosion performance of hoses is good, no explosion accidents due to the change of system pressure.
02
Good Adaptability of System and Fluids
Good compatibility to new eco-friendly refrigerants (R134a, R410a, R404a, R32, etc.) and new types of compressor oils (POE, PAG, PVE), without swell, deterioration or pollution. It can achieve pure and long-term system operation and reduce compressor failures.
03
Service Life Longer Under Adverse Conditions
Excellent outer cover resistance to ultraviolet, ozone, weathering, oil and wear. It can remain stable and have excellent anti-aging performance even at extremely high temperatures such as engine compartment or low temperatures such as refrigeration room.
04
Superior flexibility and excellent bend radius
Allow the hose to pass easily through tight spaces in any confined area of installation, whether this is behind the dashboards of motor vehicles or in cramped plant rooms. Kinking or blocking of the hose flow is eliminated by this.
Temperature range
from -40°C to +125°C (or even higher), without hardening and still providing flexible operation.
Pin-Pricked design
Of the outer cover, which permits the escape of small amounts of gas which are able to permeate through the reinforcement, preventing the outer cover from splitting up or bubbling away.
To extend the lifespan of your refrigeration hoses and maintain safety, you are advised to strictly adhere to the following requirements:
Proper Installation and Routing
Do not install the hose in a twist. Twist will reduce greatly the ability of the hose to withstand pressure.
Hoses can undergo slight changes in length under pressures (usually about -4% to +2% for pressure change in hose).
Be sure to leave enough play when routing them, and provide proper bend radius.Ensure that they are routed away from extremely hot surfaces such as exhaust.
If it cannot be avoided, install an abrasion resistant cover for protection against any contact with moving parts.
Inspection and Cleaning
Check the surface of the hoses. If there is any evidence of cracking, blistering, localized ballooning, exposed wires, and excessive abrasion, replace it.
Check the crimp between hose and metal fittings, using electronic leak detector or soapy water, for leak of refrigerant in the refrigeration system.
Dilute cleaning agents, such as alkali, acid, and strong solvents should not be used to soak hoses. It is best to wipe with a soft cloth and warm water with mild soap.
Storage and Preventative Replacement
The storage of a hose that has not yet been put into use should be in an ambient, dry place in an ozone-free warehouse, without direct sunlight or under heavy load.
Even when there is no sign of deterioration, under severe operating conditions such as in a construction or a machine vibrating greatly, you should have it replaced preventatively according to the time of working hours (say, every 2-3 years), in order to be spared from the loss of large quantity of refrigerants due to stoppage of equipment.
We are one of the most reliable automobile air conditioning hose manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy automobile air conditioning hose made in China here from our factory. Contact us for free sample.
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