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Designed to meet JIS B8375 standards for pneumatic fittings, the Japanese Standard Quick Connect Pneumatic Coupling with Hose Barb is a reliable solution for fast, leak-free connections in air compressor systems, automation equipment, and industrial tools. The coupling features a male hose barb (compatible with 4–12mm ID pneumatic hoses) and a female quick-connect socket with a push-to-lock mechanism, enabling one-handed operation for rapid hose attachment/detachment. Constructed from nickel-plated brass (C3604) with a corrosion-resistant finish, it ensures long-term performance in both dry and humid environments, while the ergonomic design reduces operator fatigue during frequent use.
1. JIS-Compliant Hose Barb: The barb adheres to JIS B8375, with 12 evenly spaced ribs to prevent hose slippage under pressure (up to 1.0MPa/145 PSI). Hose installation requires no clamps—simply push the hose onto the barb until it seats fully.
2. Quick-Release Mechanism: A spring-loaded collar with internal ball bearings secures the coupling to the socket, allowing instant connection/disconnection with a 90° twist. The audible "click" confirms full engagement, eliminating accidental disconnections during operation.
3. Dual Sealing System: A primary O-ring (NBR) seals the air path, while a secondary dust cap (integrated into the socket) prevents contamination when disconnected. This design meets IP64 protection against dust and water splashes.
4. Temperature and Pressure Ratings: Operates efficiently between -20°C–60°C (-4°F–140°F) with a maximum working pressure of 1.0MPa. For high-temperature applications (up to 120°C/248°F), FKM-sealed versions are available upon request.
5. Modular Compatibility: Works with all JIS B8375-compliant quick-connect sockets, as well as most European (ISO 7241-A) and North American (NPT) systems via adaptors, making it a versatile choice for global industrial setups.
• Pneumatic Tool Systems: Connects air hoses to impact wrenches, spray guns, and air drills in automotive repair shops and metalworking facilities.
• Industrial Automation: Used in conveyor belts, robotic arms, and pneumatic cylinders for quick hose reconfiguration during machine setup or maintenance.
• Compressor Systems: Ideal for portable air compressors, allowing fast connection to tire inflators, nail guns, and other mobile pneumatic devices.
• Printing and Packaging Machinery: Ensures reliable air supply to vacuum pumps and air grippers in high-speed printing presses and packaging lines.
Q: Can the hose barb be used with non-JIS hoses?
A: Yes, it fits most standard PVC/PU hoses with the correct inner diameter, though JIS-compliant hoses offer optimal grip and pressure resistance.
Q: How do I remove a stuck hose from the barb?
A: Apply a small amount of silicone spray to the hose end and twist while pulling. For permanent installations, use hose clamps (not included) for extra security.
Q: Is the nickel plating suitable for marine environments?
A: The 5μm nickel layer provides moderate corrosion resistance. For saltwater applications, consider our stainless steel 316L variant (available as a custom option).
Q: What is the recommended hose material for high-pressure use?
A: Reinforced PU or NBR hoses with a burst pressure ≥3.0MPa are recommended to ensure safety and longevity.
Q: Can the coupling be used in vacuum applications?
A: Yes, it supports vacuum up to 80kPa (absolute pressure), but ensure the O-ring material (NBR/FKM) is compatible with vacuum conditions to prevent collapse.
