Center Certification & Testing International
basic introduction
The hose (hose) assembly is an auxiliary device commonly used in hydraulic systems. It is made of high-pressure steel wire braided or wound hose and steel fittings withheld by special equipment. It is used to connect various hydraulic components in the hydraulic system. It is mainly used for hydraulic power under the working temperature of -40℃ to +100℃ Transmit or transport water, gas, oil and other high-pressure media to ensure the circulation of liquid and transfer liquid energy.
Hose is widely used in automotive, aerospace, petroleum, chemical, marine, engineering machinery and other fields. In the automobile, it is mainly used for the major assemblies of brake, transmission, engine, air conditioning system, heat dissipation system, etc.; it is related to the braking safety and performance of the car. Considering the importance of the hose assembly in the system, there are many standards and specifications for hose testing at home and abroad. Each new model development and improvement will complete various hose tests in accordance with the corresponding test specifications of the OEM.
Test capability
Test ability of automobile tube and evaporator:
Low pressure pulse, blasting, sealing test | Hose mechanical performance and size test |
Medium and high pressure pulse, blasting, sealing test | Evaporator pressure punch test |
Hose general environmental test | Material, environmental and chemical tests |
Performance index of the tube
Hose type | Standard | Main testing items |
Brake hose | IS03996-1995 | Hydraulic test, flexural fatigue test, pull-out test, low temperature bending test, dynamic ozone test, high temperature pulse test, salt spray test |
Cooling hose | HG/T2491-1993 | Adhesive strength, bursting pressure, change in outer diameter, brittle temperature, ozone aging, thermal aging, bending test, low temperature flexibility, pulse temperature |
Air conditioning hose | IS08066-2001 | Refrigerant leakage and penetration test, low temperature flexure test, vacuum test, static pressure length change test, burst pressure, ozone resistance, cleanliness, pulse test |
Fuel hose | IS04639-1995 | Liquid resistance, air tightness, burst pressure, adhesion strength, ozone resistance test, low temperature deflection, cleanliness and extract, fuel penetration, vacuum test, hose stretch, oxygenated fuel long-term cycle test |
Power steering hose | IS011425-1996 | Impact test, burst pressure, hydraulic length change test, low temperature deflection, bond strength, cleanliness, liquid resistance to vibration fatigue |
Our advantage
1. With a professional qualification and experienced expert technical team, we can provide you with professional consultation and services.
2. Have advanced laboratory equipment to ensure the accuracy and reliability of test data.
3. As a third-party testing and certification organization trusted by customers worldwide, we are your certificate of quality.
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The hose (hose) assembly is an auxiliary device commonly used in hydraulic systems. It is made of high-pressure steel wire braided or wound hose and steel fittings withheld by special equipment. It is used to connect various hydraulic components in the hydraulic system.
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