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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 1FO Face Seal Adapter represents a cutting-edge solution for secure fluid system connections in industrial and mobile hydraulic applications where leak-free performance is non-negotiable. As a fully compliant SAE J514 component, this adapter is engineered to create reliable connections in medium to high-pressure fluid systems, ensuring consistent performance across diverse operating conditions. Its innovative face seal design eliminates the common leakage issues associated with traditional thread-sealant-dependent fittings, making it an essential component for critical hydraulic circuits. The 1FO adapter combines precision engineering with durable materials to deliver exceptional performance in applications where system integrity directly impacts operational efficiency and safety.
The 1FO Face Seal Adapter features a precision-machined face seal design that creates a reliable metal-to-elastomer seal between mating surfaces, eliminating the need for thread sealants. This design incorporates an integrated O-ring groove that accepts high-performance elastomeric seals, ensuring bubble-tight shutoff even under pressure fluctuations and vibration. The sealing surface undergoes a super-finishing process to achieve a Ra 0.8 surface roughness, maximizing contact area and minimizing leakage paths. Unlike tapered thread designs, the face seal mechanism maintains consistent sealing performance through repeated assembly and disassembly cycles.
Constructed from AISI 1045 carbon steel as standard, the 1FO Adapter offers an optimal balance of strength and machinability for fluid system applications. For enhanced durability, the adapter undergoes a triple-layer zinc-nickel plating process with a thickness of 10-12 microns, providing superior corrosion resistance verified through 1,000-hour salt spray testing per ASTM B117 standards. An optional AISI 316 stainless steel version is available for extreme corrosive environments, offering exceptional resistance to chemical exposure and saltwater conditions commonly encountered in marine and offshore applications.
Engineered for high-pressure fluid systems, the 1FO Face Seal Adapter supports a maximum operating pressure of 5,500 PSI (379 bar) for standard sizes up to 2", with larger configurations rated at 3,500 PSI (241 bar). It maintains reliable performance across a temperature range of -40°C to 150°C (-40°F to 302°F) when equipped with standard Viton® O-rings. The adapter is available in thread sizes from 1/4" to 2" SAE with both male and female configurations, ensuring compatibility with a wide range of hydraulic components including manifolds, valves, and cylinders. Its precision-machined UN/UNF threads conform to class 2A/2B tolerances for consistent engagement.
In factory automation and industrial processing facilities, the 1FO Face Seal Adapter is widely used in hydraulic power units, machine tool circuits, and automated production lines. It provides secure connections in precision fluid systems for automotive manufacturing, metal stamping, and plastic injection molding equipment where leak-free operation is critical for maintaining production quality and minimizing downtime.
The 1FO Adapter finds extensive application in heavy-duty mobile equipment, including construction machinery, agricultural tractors, and waste management vehicles. It is commonly used in hydraulic circuits for lift arms, hydraulic cylinders, and auxiliary equipment where it must withstand constant vibration, temperature variations, and mechanical stress while maintaining reliable performance in demanding field conditions.
With its optional stainless steel construction and FDA-compliant sealing materials, the 1FO Face Seal Adapter is ideal for food processing and pharmaceutical manufacturing equipment. It provides secure fluid connections in hydraulic systems powering mixing equipment, filling machines, and material handling systems where corrosion resistance and cleanability are essential to meet strict hygiene standards.
The face seal design creates a metal-to-elastomer seal at the mating surface rather than relying on thread deformation or sealants, providing several advantages: it allows for repeated assembly and disassembly without compromising sealing performance; eliminates thread galling issues common with tapered thread designs; maintains consistent sealing pressure across the entire interface; and prevents fluid contamination from thread sealants. This design also simplifies installation by eliminating the need for precise thread alignment during assembly.
The 1FO Face Seal Adapter offers multiple O-ring material options to suit specific application requirements: Viton® for high-temperature applications up to 150°C (302°F) and compatibility with synthetic hydraulic fluids; EPDM for water-glycol fluids and moderate temperatures (-40°C to 120°C / -40°F to 248°F); nitrile (NBR) for standard mineral oil-based fluids and general applications; and PTFE-encapsulated for food-grade applications requiring FDA compliance. All O-rings feature a 90 Shore A durometer for optimal sealing pressure.
While specifically designed for SAE J514 components, the 1FO Adapter can connect to metric systems using appropriate transition adapters that bridge SAE and metric standards. Direct connection between SAE and metric components is not recommended due to differences in thread forms, sealing mechanisms, and dimensional specifications. We offer a complete line of transition fittings that maintain the 5,500 PSI pressure rating while ensuring compatibility between different standards.
Recommended installation torque varies by thread size, ranging from 18 ft-lbs for 1/4" adapters to 110 ft-lbs for 2" adapters. Always use a calibrated torque wrench and follow the 3-step tightening procedure: initial torque to 30% of final specification, followed by 60%, and final torque to 100% of recommended value. This method ensures uniform compression of the O-ring without damaging threads or sealing surfaces. Torque values should be reduced by 20% when installing stainless steel adapters to prevent galling.
Regular maintenance includes visual inspections for leakage, corrosion, or damage during scheduled system checks. The adapter should be removed and inspected if system pressure drops occur without explanation. When disconnecting, inspect the O-ring for wear, hardening, or deformation and replace if any of these conditions are present. Clean thread surfaces thoroughly before reinstallation and apply a thin film of system-compatible lubricant to male threads (excluding sealing surfaces). In high-vibration applications, periodic torque verification is recommended to ensure connections remain tight.
PART NO. | HOSE BORE | DIMENSIONS | ||
DN | DASH | L | D | |
H03310-04 | 6 | 04 | 30 | 23.2 |
H03310-05 | 8 | 05 | 30 | 24 |
HO3310-06 | 10 | 06 | 32 | 26.3 |
H03310-08 | 13 | 08 | 34 | 29.9 |
H03310-10 | 16 | 10 | 36 | 33.2 |
H03310-12 | 19 | 12 | 42 | 37.8 |
H03310-16 | 25 | 16 | 50 | 46.9 |
H03310-20 | 32 | 20 | 59 | 59 |
H03310-24 | 38 | 24 | 72 | 67 |
H03310-32 | 51 | 32 | 75 | 80 |
The 1FO Face Seal Adapter represents a cutting-edge solution for secure fluid system connections in industrial and mobile hydraulic applications where leak-free performance is non-negotiable. As a fully compliant SAE J514 component, this adapter is engineered to create reliable connections in medium to high-pressure fluid systems, ensuring consistent performance across diverse operating conditions. Its innovative face seal design eliminates the common leakage issues associated with traditional thread-sealant-dependent fittings, making it an essential component for critical hydraulic circuits. The 1FO adapter combines precision engineering with durable materials to deliver exceptional performance in applications where system integrity directly impacts operational efficiency and safety.
The 1FO Face Seal Adapter features a precision-machined face seal design that creates a reliable metal-to-elastomer seal between mating surfaces, eliminating the need for thread sealants. This design incorporates an integrated O-ring groove that accepts high-performance elastomeric seals, ensuring bubble-tight shutoff even under pressure fluctuations and vibration. The sealing surface undergoes a super-finishing process to achieve a Ra 0.8 surface roughness, maximizing contact area and minimizing leakage paths. Unlike tapered thread designs, the face seal mechanism maintains consistent sealing performance through repeated assembly and disassembly cycles.
Constructed from AISI 1045 carbon steel as standard, the 1FO Adapter offers an optimal balance of strength and machinability for fluid system applications. For enhanced durability, the adapter undergoes a triple-layer zinc-nickel plating process with a thickness of 10-12 microns, providing superior corrosion resistance verified through 1,000-hour salt spray testing per ASTM B117 standards. An optional AISI 316 stainless steel version is available for extreme corrosive environments, offering exceptional resistance to chemical exposure and saltwater conditions commonly encountered in marine and offshore applications.
Engineered for high-pressure fluid systems, the 1FO Face Seal Adapter supports a maximum operating pressure of 5,500 PSI (379 bar) for standard sizes up to 2", with larger configurations rated at 3,500 PSI (241 bar). It maintains reliable performance across a temperature range of -40°C to 150°C (-40°F to 302°F) when equipped with standard Viton® O-rings. The adapter is available in thread sizes from 1/4" to 2" SAE with both male and female configurations, ensuring compatibility with a wide range of hydraulic components including manifolds, valves, and cylinders. Its precision-machined UN/UNF threads conform to class 2A/2B tolerances for consistent engagement.
In factory automation and industrial processing facilities, the 1FO Face Seal Adapter is widely used in hydraulic power units, machine tool circuits, and automated production lines. It provides secure connections in precision fluid systems for automotive manufacturing, metal stamping, and plastic injection molding equipment where leak-free operation is critical for maintaining production quality and minimizing downtime.
The 1FO Adapter finds extensive application in heavy-duty mobile equipment, including construction machinery, agricultural tractors, and waste management vehicles. It is commonly used in hydraulic circuits for lift arms, hydraulic cylinders, and auxiliary equipment where it must withstand constant vibration, temperature variations, and mechanical stress while maintaining reliable performance in demanding field conditions.
With its optional stainless steel construction and FDA-compliant sealing materials, the 1FO Face Seal Adapter is ideal for food processing and pharmaceutical manufacturing equipment. It provides secure fluid connections in hydraulic systems powering mixing equipment, filling machines, and material handling systems where corrosion resistance and cleanability are essential to meet strict hygiene standards.
The face seal design creates a metal-to-elastomer seal at the mating surface rather than relying on thread deformation or sealants, providing several advantages: it allows for repeated assembly and disassembly without compromising sealing performance; eliminates thread galling issues common with tapered thread designs; maintains consistent sealing pressure across the entire interface; and prevents fluid contamination from thread sealants. This design also simplifies installation by eliminating the need for precise thread alignment during assembly.
The 1FO Face Seal Adapter offers multiple O-ring material options to suit specific application requirements: Viton® for high-temperature applications up to 150°C (302°F) and compatibility with synthetic hydraulic fluids; EPDM for water-glycol fluids and moderate temperatures (-40°C to 120°C / -40°F to 248°F); nitrile (NBR) for standard mineral oil-based fluids and general applications; and PTFE-encapsulated for food-grade applications requiring FDA compliance. All O-rings feature a 90 Shore A durometer for optimal sealing pressure.
While specifically designed for SAE J514 components, the 1FO Adapter can connect to metric systems using appropriate transition adapters that bridge SAE and metric standards. Direct connection between SAE and metric components is not recommended due to differences in thread forms, sealing mechanisms, and dimensional specifications. We offer a complete line of transition fittings that maintain the 5,500 PSI pressure rating while ensuring compatibility between different standards.
Recommended installation torque varies by thread size, ranging from 18 ft-lbs for 1/4" adapters to 110 ft-lbs for 2" adapters. Always use a calibrated torque wrench and follow the 3-step tightening procedure: initial torque to 30% of final specification, followed by 60%, and final torque to 100% of recommended value. This method ensures uniform compression of the O-ring without damaging threads or sealing surfaces. Torque values should be reduced by 20% when installing stainless steel adapters to prevent galling.
Regular maintenance includes visual inspections for leakage, corrosion, or damage during scheduled system checks. The adapter should be removed and inspected if system pressure drops occur without explanation. When disconnecting, inspect the O-ring for wear, hardening, or deformation and replace if any of these conditions are present. Clean thread surfaces thoroughly before reinstallation and apply a thin film of system-compatible lubricant to male threads (excluding sealing surfaces). In high-vibration applications, periodic torque verification is recommended to ensure connections remain tight.
PART NO. | HOSE BORE | DIMENSIONS | ||
DN | DASH | L | D | |
H03310-04 | 6 | 04 | 30 | 23.2 |
H03310-05 | 8 | 05 | 30 | 24 |
HO3310-06 | 10 | 06 | 32 | 26.3 |
H03310-08 | 13 | 08 | 34 | 29.9 |
H03310-10 | 16 | 10 | 36 | 33.2 |
H03310-12 | 19 | 12 | 42 | 37.8 |
H03310-16 | 25 | 16 | 50 | 46.9 |
H03310-20 | 32 | 20 | 59 | 59 |
H03310-24 | 38 | 24 | 72 | 67 |
H03310-32 | 51 | 32 | 75 | 80 |