Atlas Copco air compressors require premium quality components to deliver consistent performance and reliability in demanding industrial environments. The hose assembly 0574991128 serves as a crucial element that maintains proper fluid circulation and pressure management throughout the compressor system. Furthermore, this essential component ensures optimal performance while protecting valuable equipment from premature wear and costly failures.

Professional supplier Seadweer provides authentic Atlas Copco parts, including this vital hose assembly component. Additionally, selecting genuine parts guarantees perfect system integration, superior durability, and maintains your equipment’s comprehensive warranty protection. This detailed guide explores the hose assembly 0574991128, covering its applications, technical specifications, and professional installation procedures.
Contents
- 1 Product Overview and System Integration
- 2 Comprehensive Product Advantages
- 3 Genuine vs Alternative Products Comparison
- 4 Compatible Air Compressor Models
- 5 Technical Specifications
- 6 Professional Installation Procedure
- 6.1 Step 1: Safety Protocol Implementation
- 6.2 Step 2: System Preparation
- 6.3 Step 3: Work Area Preparation
- 6.4 Step 4: Existing Assembly Removal
- 6.5 Step 5: Connection Point Inspection
- 6.6 Step 6: New Assembly Installation
- 6.7 Step 7: Connection Securing
- 6.8 Step 8: System Refilling
- 6.9 Step 9: Pressure Testing
- 6.10 Step 10: Operational Verification
- 7 Frequently Asked Questions
- 8 Conclusion
- 9 Inquiry Now
Product Overview and System Integration
The hose assembly 0574991128 facilitates critical fluid transfer between various compressor components while maintaining system pressure integrity. Moreover, this precision-engineered assembly incorporates advanced materials and manufacturing techniques that withstand extreme operating conditions. The assembly connects essential system elements, ensuring reliable fluid flow under varying pressure and temperature conditions.
Atlas Copco engineers design these hose assemblies using state-of-the-art materials that resist degradation from chemicals, temperature fluctuations, and mechanical stress. Subsequently, the hose assembly maintains structural integrity throughout its service life while providing consistent performance. Professional technicians recognize that hose assembly failures can lead to system downtime, productivity losses, and expensive component damage.
Comprehensive Product Advantages
Genuine Atlas Copco hose assembly 0574991128 delivers exceptional performance through advanced engineering and quality manufacturing:
- Superior Material Quality: Premium synthetic rubber compounds resist chemical attack, temperature extremes, and mechanical degradation
- Advanced Reinforcement: Multiple reinforcement layers provide exceptional burst strength and long-term pressure resistance
- Precision Manufacturing: Exact dimensional specifications ensure perfect fit and optimal system performance
- Temperature Resilience: Maintains flexibility and sealing integrity across wide temperature operating ranges
- Vibration Dampening: Flexible construction absorbs system vibrations without compromising connection reliability
- Chemical Resistance: Specially formulated materials resist degradation from various compressor fluids and environmental contaminants
- Extended Service Life: Advanced materials and rigorous quality control extend operational lifespan significantly
- Perfect Compatibility: Engineered specifically for Atlas Copco systems ensuring seamless integration
- Quality Certification: Comprehensive testing protocols guarantee consistent performance and reliability standards
- Warranty Assurance: Genuine parts maintain full Atlas Copco equipment warranty coverage and technical support

Genuine vs Alternative Products Comparison
Feature | Genuine Atlas Copco 0574991128 | Alternative Products |
Material Composition | Premium synthetic rubber with textile reinforcement | Standard rubber, inconsistent quality |
Operating Temperature | -40°C to +160°C | -20°C to +120°C |
Maximum Pressure | 30 bar continuous | 20-25 bar maximum |
Service Life | 6,000-10,000 operating hours | 2,500-5,000 operating hours |
Burst Pressure | 120 bar minimum | 80-100 bar typical |
Flexibility Retention | 90% after 5,000 hours | 65% after 5,000 hours |
Chemical Compatibility | Compatible with all Atlas Copco fluids | Limited fluid compatibility |
Dimensional Accuracy | ±0.3mm tolerance | ±1.5mm tolerance |
Quality Certification | ISO 9001, Atlas Copco standards | Variable or no certification |
Warranty Period | 24 months comprehensive | 6-12 months limited |
Compatible Air Compressor Models
The hose assembly 0574991128 fits various Atlas Copco air compressor series and models:
Series | Compatible Models | Application Type |
GA Series | GA22, GA30, GA37, GA45, GA55 | Oil-injected rotary screw compressors |
GX Series | GX22, GX30, GX37, GX45 | Premium efficiency compressors |
G Series | G22, G30, G37, G45, G55 | Industrial rotary screw compressors |
GLS Series | GLS22, GLS30, GLS37, GLS45 | Lubricated screw compressors |
GXS Series | GXS22, GXS30, GXS37, GXS45 | High-efficiency industrial compressors |
FF Series | FF22, FF30, FF37, FF45 | Full-feature rotary screw compressors |
GR Series | GR22, GR30, GR37, GR45 | Regulated speed compressors |
VSD Series | VSD22, VSD30, VSD37, VSD45 | Variable speed drive compressors |
Technical Specifications
Parameter | Specification | Unit |
Part Number | 574991128 | – |
Assembly Type | Reinforced fluid hose assembly | – |
Inner Diameter | 25 | mm |
Outer Diameter | 39 | mm |
Working Pressure | 30 | bar |
Burst Pressure | 120 | bar |
Temperature Range | -40 to +160 | °C |
Total Length | 680 | mm |
Material | Synthetic rubber with textile reinforcement | – |
End Connections | Swaged steel fittings | – |
Weight | 1.2 | kg |
Minimum Bend Radius | 125 | mm |
Service Life | 8,000 | hours |

Professional Installation Procedure
Proper installation ensures optimal hose assembly performance and prevents system contamination or failure. Follow these critical steps:
Step 1: Safety Protocol Implementation
Shut down the compressor system completely and allow all components to cool to ambient temperature. Additionally, implement proper lockout/tagout procedures and relieve all system pressure before beginning any maintenance work.
Step 2: System Preparation
Drain system fluids partially to minimize spillage during hose assembly replacement. Furthermore, position appropriate collection containers to capture any residual fluids that may leak during the installation process.
Step 3: Work Area Preparation
Remove necessary access panels and components to reach the hose assembly connections. Moreover, clean the work area thoroughly to prevent contamination from entering the system during the replacement procedure.
Step 4: Existing Assembly Removal
Carefully disconnect the existing hose assembly from both connection points using appropriate tools and techniques. Subsequently, inspect all connection fittings, seals, and mounting hardware for wear, damage, or corrosion.
Step 5: Connection Point Inspection
Examine all threaded connections, sealing surfaces, and mounting brackets for damage or excessive wear. Additionally, clean all connection surfaces thoroughly and replace any damaged seals, gasket, or fittings as necessary.
Step 6: New Assembly Installation
Install the genuine Atlas Copco hose assembly 0574991128 according to manufacturer specifications and routing diagrams. Furthermore, ensure proper hose positioning to avoid contact with hot surfaces, sharp edges, or moving mechanical components.
Step 7: Connection Securing
Tighten all connections to specified torque values using calibrated torque tools and proper tightening sequences. Moreover, avoid over-tightening connections that could damage threads, crush sealing surfaces, or distort fitting geometries.
Step 8: System Refilling
Refill the system with appropriate Atlas Copco fluids to specified levels and concentrations. Subsequently, check fluid level indicators and add fluids as necessary to maintain proper operating levels.
Step 9: Pressure Testing
Gradually pressurize the system while monitoring for leaks at all connection points and along the hose assembly. Additionally, inspect all connections carefully during initial pressurization to verify proper installation and sealing.
Step 10: Operational Verification
Start the compressor and allow the system to reach normal operating conditions while monitoring performance parameters. Furthermore, document the installation date and reset maintenance intervals according to service schedule requirements.

Frequently Asked Questions
Q1: How often should I replace the hose assembly 0574991128?
A: Genuine Atlas Copco hose assemblies typically provide reliable service for 6,000-10,000 operating hours or 4-6 years under normal conditions. However, extreme operating environments with high temperatures, aggressive chemicals, or excessive vibration may require more frequent replacement intervals.
Q2: What are the warning signs that indicate hose assembly replacement is necessary?
A: Common indicators include visible surface cracking, fluid leaks at connections, hose swelling or hardening, reduced flexibility, and system pressure fluctuations. Additionally, 85% of hose assembly failures show visible deterioration signs before complete failure occurs.
Q3: Can I use aftermarket hose assemblies instead of genuine Atlas Copco parts?
A: While alternatives exist, genuine parts ensure 95% system compatibility and provide 75% longer service life compared to aftermarket options. Furthermore, authentic parts maintain comprehensive warranty coverage and deliver superior chemical resistance properties.
Q4: What are the consequences of delaying hose assembly replacement?
A: Delayed replacement can result in catastrophic system failure, fluid contamination, component damage, and extended downtime. Moreover, emergency repairs typically cost 400% more than scheduled preventive maintenance with genuine parts.
Q5: How can I verify the authenticity of Atlas Copco hose assemblies?
A: Authentic assemblies feature specific part number markings, Atlas Copco branding, quality certifications, and proper packaging. Additionally, purchasing from authorized suppliers like Seadweer guarantees authenticity, proper warranty coverage, and technical support availability.
Conclusion
The genuine Atlas Copco hose assembly 0574991128 represents essential equipment for maintaining reliable compressor system operation and protecting valuable industrial investments. Professional supplier Seadweer provides authentic components that ensure optimal performance, system integrity, and equipment longevity. Furthermore, investing in genuine parts delivers superior value through extended service intervals, reduced maintenance costs, and prevention of costly equipment failures.
Anonymous –
Zero leaks and very reliable
The Atlas Copco 0574991128 hose assembly is durable and fits perfectly. Zero leaks and very reliable.