Sae 100r12 Hydraulic Hose
SAE 100 R12 is a medium and high-pressure hydraulic hose with two layers of steel wire wound reinforcing layers. It is positioned as a universal wire wound hose in the SAE 100R series, achieving an excellent balance among pressure resistance, flexibility and economy. R12 hoses are designed to offer a higher pulse life and better impact resistance than single-layer steel wire braided hoses (such as R7), making them a reliable choice for high-pressure circuits in many construction machinery and industrial equipment.
- Product Introduction
SAE 100 R12 is a medium and high-pressure hydraulic hose with two layers of steel wire wound reinforcing layers. It is positioned as a universal wire wound hose in the SAE 100R series, achieving an excellent balance among pressure resistance, flexibility and economy. R12 hoses are designed to offer a higher pulse life and better impact resistance than single-layer steel wire braided hoses (such as R7), making them a reliable choice for high-pressure circuits in many construction machinery and industrial equipment.
Product Structure And Features
The SAE 100 R12 hose adopts a classic three-layer structure, and its reinforcing layer design is the core of its performance.
Inner rubber layer
Made of oil-resistant and wear-resistant synthetic rubber (usually nitrile rubber), it has good compatibility with petroleum-based hydraulic oil, lubricating oil and water-ethylene glycol fluid, ensuring the purity of fluid transportation.
Reinforcing layer
Two layers of high-strength steel wire wound layers. Compared with steel wire braided, the winding structure enables the steel wire to be spirally wound at a specific Angle in the hose, which endows the hose with excellent resistance to pulse fatigue and higher pressure resistance. The two-layer wound structure provides a powerful pressure-bearing skeleton.
Outer rubber layer
Made of synthetic rubber that is wear-resistant, weather-resistant and ozone-resistant. This outer layer can effectively protect the inner steel wire reinforcing layer from mechanical wear, environmental factors (such as ultraviolet rays and ozone), and moisture erosion, thereby extending the overall service life.
Core Features
Excellent pulse resistance and impact resistance
The steel wire wound structure can effectively absorb the pressure fluctuations and impacts of the hydraulic system, and its pulse life is usually better than that of the steel wire braided hose of the same grade.
Good flexibility
Despite being wound with two layers of steel wire, its design still ensures excellent bending performance, facilitating pipe laying and installation on equipment.
High pressure resistance
It provides a working pressure higher than that of single-layer steel wire braided hoses (SAE 100R7/R8), suitable for medium and high-pressure systems.
Strong durability
The wear-resistant outer rubber layer ensures a long service life in complex industrial environments.
Balanced cost-effectiveness
Among the wire-wound hoses that offer excellent pulse life and pressure resistance, it has high economic efficiency.
Technical Parameters And Standards
Applicable standard
Complies with the requirements for type R12 in SAE J343 standard.
Reinforcement layer type
Two-layer steel wire winding.
Temperature Range
Operating temperature: -40°C to +100°C (-40°F to +212°F)
Applicable media
Petroleum-based hydraulic oil, lubricating oil, water-glycol, water-in-oil emulsion, etc.
Main Application Scope
SAE 100 R12 hoses are widely used in various mechanical equipment that require good pulse life and medium to high pressure
Construction machinery
Medium and high-pressure hydraulic circuits for buckets, booms, rotations, etc. of equipment such as excavators, loaders, and bulldozers.
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Industrial equipment
Medium and high-pressure hydraulic systems for factory equipment such as injection molding machines, presses, and machine tools.
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Agricultural machinery
Hydraulic systems of large tractors and combine harvesters.
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Mining machinery
It is applicable to the working conditions with certain pressure shock in medium-sized mining equipment.
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Vehicle industry
Lifting hydraulic systems for dump trucks and sanitation vehicles.
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