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T: +86-15990630008
E: info@chinahdm.com
E: info@chinahdm.com
Industrial zone, Binhai, Jiaojiang, Taizhou, Zhejiang, China
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The 6400 SAE Adapter stands as a premium solution for high-pressure hydraulic connections in industrial and mobile applications requiring exceptional reliability and durability. Fully compliant with the latest SAE J514 standards, this adapter is engineered to facilitate secure connections between hydraulic components in systems where pressure stability and leak resistance are critical operational factors. Its robust construction and precision machining make it particularly suitable for demanding environments where vibration, temperature extremes, and pressure fluctuations are common. The 6400 SAE Adapter has established itself as a benchmark component in hydraulic systems worldwide, valued for its consistent performance and broad compatibility with industry-standard components.
Engineered for high-pressure hydraulic systems, the 6400 SAE Adapter boasts a maximum operating pressure rating of 5,500 PSI (379 bar) for standard sizes, with larger configurations supporting up to 4,000 PSI (276 bar). This adapter exceeds basic SAE requirements by incorporating a reinforced shoulder design that enhances pressure containment and reduces stress concentration in critical areas. It can safely handle pressure spikes up to 8,250 PSI (569 bar) for short durations, providing an extra margin of safety in dynamic hydraulic systems prone to pressure transients during operation.
The 6400 Adapter is constructed from heat-treated AISI 4140 chrome-moly steel, delivering superior tensile strength (minimum 110,000 PSI) compared to standard carbon steel adapters. This high-strength material undergoes a specialized nitriding process that creates a hardened surface layer (60+ HRC) while maintaining ductility in the core, resulting in exceptional wear resistance and fatigue strength. The adapter features a duplex plating system combining zinc-nickel alloy with a clear chromate topcoat, providing corrosion resistance verified through 1,500-hour salt spray testing—significantly exceeding industry standards for hydraulic components.
Featuring SAE straight threads (UN/UNF) with class 2A/2B tolerances, the 6400 Adapter ensures consistent engagement with mating components. Its integrated O-ring groove accepts high-performance elastomeric seals in a recessed design that protects the O-ring from damage during installation and operation. The adapter is available in sizes from 1/4" to 2-1/2" with both male and female configurations, including reducing adapters for system transitions. Its hexagonal body features extended wrench flats with anti-slip knurling, facilitating secure tool engagement during installation in tight spaces.
In the mobile equipment sector, the 6400 SAE Adapter is widely utilized in construction machinery, mining equipment, and agricultural vehicles. It provides critical connections in hydraulic circuits powering excavator arms, crane mechanisms, and agricultural implements that operate under extreme pressure during heavy lifting and earthmoving operations. Its robust design withstands the constant vibration and mechanical stress encountered in these demanding applications.
Within manufacturing facilities, this high-performance adapter is a key component in hydraulic press systems, metal forming machinery, and injection molding equipment. These applications require reliable performance under repeated pressure cycles up to the adapter's maximum rating, where it ensures consistent fluid delivery to hydraulic cylinders that generate the extreme forces needed for industrial processes.
The 6400 SAE Adapter plays a vital role in hydraulic systems for energy production, including oil and gas exploration equipment, wind turbine pitch control mechanisms, and hydroelectric power generation systems. Its ability to maintain pressure integrity in remote locations and harsh environmental conditions makes it ideal for energy sector applications where equipment reliability directly impacts operational efficiency and safety.
The 6400 Adapter incorporates several performance enhancements: its AISI 4140 chrome-moly steel construction provides 40% higher tensile strength than standard carbon steel adapters; the nitrided surface treatment offers superior wear resistance compared to conventional plating; and its reinforced shoulder design allows for higher pressure handling. Additionally, the 6400 features an extended thread engagement length (1.5x standard) that enhances connection stability in high-vibration environments where standard adapters might loosen over time.
The 6400 SAE Adapter is optimized for use with 70 or 90 durometer Viton® O-rings for most industrial applications, providing temperature resistance from -20°C to 200°C (-4°F to 392°F) and compatibility with mineral oil-based and synthetic hydraulic fluids. For low-temperature applications down to -40°C (-40°F), hydrogenated nitrile (HNBR) O-rings are recommended. For food-grade applications, FDA-compliant PTFE-encapsulated O-rings are available, ensuring compatibility with strict hygiene requirements while maintaining the adapter's pressure rating.
Yes, the 6400 SAE Adapter is fully compatible with all common biodegradable hydraulic fluids, including vegetable oil-based (HVLA) and synthetic ester-based formulations. When used with biodegradable fluids, we recommend specifying the HNBR O-ring option to ensure compatibility with the additives found in these fluids. The adapter's duplex plating system provides excellent resistance to the potentially corrosive nature of some biodegradable fluids, maintaining performance throughout the fluid's service life.
Proper installation begins with cleaning all thread surfaces and verifying O-ring condition. Apply a thin film of system-compatible lubricant to male threads (avoiding O-ring grooves). Hand-thread the adapter until resistance is felt, then tighten to specified torque using a calibrated torque wrench. Torque values range from 22 ft-lbs for 1/4" adapters to 135 ft-lbs for 2-1/2" adapters. Always use a crisscross tightening pattern when multiple fasteners are present. Allow the system to reach operating temperature, then recheck torque after initial operation to account for thermal expansion effects.
The 6400 SAE Adapter stands as a premium solution for high-pressure hydraulic connections in industrial and mobile applications requiring exceptional reliability and durability. Fully compliant with the latest SAE J514 standards, this adapter is engineered to facilitate secure connections between hydraulic components in systems where pressure stability and leak resistance are critical operational factors. Its robust construction and precision machining make it particularly suitable for demanding environments where vibration, temperature extremes, and pressure fluctuations are common. The 6400 SAE Adapter has established itself as a benchmark component in hydraulic systems worldwide, valued for its consistent performance and broad compatibility with industry-standard components.
Engineered for high-pressure hydraulic systems, the 6400 SAE Adapter boasts a maximum operating pressure rating of 5,500 PSI (379 bar) for standard sizes, with larger configurations supporting up to 4,000 PSI (276 bar). This adapter exceeds basic SAE requirements by incorporating a reinforced shoulder design that enhances pressure containment and reduces stress concentration in critical areas. It can safely handle pressure spikes up to 8,250 PSI (569 bar) for short durations, providing an extra margin of safety in dynamic hydraulic systems prone to pressure transients during operation.
The 6400 Adapter is constructed from heat-treated AISI 4140 chrome-moly steel, delivering superior tensile strength (minimum 110,000 PSI) compared to standard carbon steel adapters. This high-strength material undergoes a specialized nitriding process that creates a hardened surface layer (60+ HRC) while maintaining ductility in the core, resulting in exceptional wear resistance and fatigue strength. The adapter features a duplex plating system combining zinc-nickel alloy with a clear chromate topcoat, providing corrosion resistance verified through 1,500-hour salt spray testing—significantly exceeding industry standards for hydraulic components.
Featuring SAE straight threads (UN/UNF) with class 2A/2B tolerances, the 6400 Adapter ensures consistent engagement with mating components. Its integrated O-ring groove accepts high-performance elastomeric seals in a recessed design that protects the O-ring from damage during installation and operation. The adapter is available in sizes from 1/4" to 2-1/2" with both male and female configurations, including reducing adapters for system transitions. Its hexagonal body features extended wrench flats with anti-slip knurling, facilitating secure tool engagement during installation in tight spaces.
In the mobile equipment sector, the 6400 SAE Adapter is widely utilized in construction machinery, mining equipment, and agricultural vehicles. It provides critical connections in hydraulic circuits powering excavator arms, crane mechanisms, and agricultural implements that operate under extreme pressure during heavy lifting and earthmoving operations. Its robust design withstands the constant vibration and mechanical stress encountered in these demanding applications.
Within manufacturing facilities, this high-performance adapter is a key component in hydraulic press systems, metal forming machinery, and injection molding equipment. These applications require reliable performance under repeated pressure cycles up to the adapter's maximum rating, where it ensures consistent fluid delivery to hydraulic cylinders that generate the extreme forces needed for industrial processes.
The 6400 SAE Adapter plays a vital role in hydraulic systems for energy production, including oil and gas exploration equipment, wind turbine pitch control mechanisms, and hydroelectric power generation systems. Its ability to maintain pressure integrity in remote locations and harsh environmental conditions makes it ideal for energy sector applications where equipment reliability directly impacts operational efficiency and safety.
The 6400 Adapter incorporates several performance enhancements: its AISI 4140 chrome-moly steel construction provides 40% higher tensile strength than standard carbon steel adapters; the nitrided surface treatment offers superior wear resistance compared to conventional plating; and its reinforced shoulder design allows for higher pressure handling. Additionally, the 6400 features an extended thread engagement length (1.5x standard) that enhances connection stability in high-vibration environments where standard adapters might loosen over time.
The 6400 SAE Adapter is optimized for use with 70 or 90 durometer Viton® O-rings for most industrial applications, providing temperature resistance from -20°C to 200°C (-4°F to 392°F) and compatibility with mineral oil-based and synthetic hydraulic fluids. For low-temperature applications down to -40°C (-40°F), hydrogenated nitrile (HNBR) O-rings are recommended. For food-grade applications, FDA-compliant PTFE-encapsulated O-rings are available, ensuring compatibility with strict hygiene requirements while maintaining the adapter's pressure rating.
Yes, the 6400 SAE Adapter is fully compatible with all common biodegradable hydraulic fluids, including vegetable oil-based (HVLA) and synthetic ester-based formulations. When used with biodegradable fluids, we recommend specifying the HNBR O-ring option to ensure compatibility with the additives found in these fluids. The adapter's duplex plating system provides excellent resistance to the potentially corrosive nature of some biodegradable fluids, maintaining performance throughout the fluid's service life.
Proper installation begins with cleaning all thread surfaces and verifying O-ring condition. Apply a thin film of system-compatible lubricant to male threads (avoiding O-ring grooves). Hand-thread the adapter until resistance is felt, then tighten to specified torque using a calibrated torque wrench. Torque values range from 22 ft-lbs for 1/4" adapters to 135 ft-lbs for 2-1/2" adapters. Always use a crisscross tightening pattern when multiple fasteners are present. Allow the system to reach operating temperature, then recheck torque after initial operation to account for thermal expansion effects.