{"product_id":"1-4-npt-female-pneumatic-quick-connect-coupler-self-locking","title":"1\/4 NPT Female Pneumatic Quick Connect Coupler | Self-Locking","description":"\n\u003ch2\u003e1\/4 NPT Female Pneumatic Quick Connect Coupler – Single-Hand Self-Locking Air Fitting\u003c\/h2\u003e\n\u003cp\u003eUpgrade your pneumatic setup with this precision-engineered \u003cstrong\u003e1\/4 NPT Female Quick Connect Coupler\u003c\/strong\u003e. Designed for one-handed operation, this self-locking air fitting makes connecting and disconnecting air tools, hoses, and compressors fast, secure, and effortless — even in tight workspaces or during high-frequency assembly tasks.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOne-Handed Self-Locking Mechanism:\u003c\/strong\u003e Effortlessly insert, lock, and release with a single hand. Ideal for improving workflow efficiency during frequent tool changes or in confined spaces.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal 1\/4 NPT Compatibility:\u003c\/strong\u003e The standard 1\/4 NPT internal female thread interface ensures seamless compatibility with a wide range of pneumatic tools, air compressors, and hose systems — providing a secure, leak-minimizing connection every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized T-Shape Airflow Design:\u003c\/strong\u003e The T-shaped internal structure reduces turbulence and pressure loss, delivering a more efficient airflow path for multi-channel air supply systems in automated equipment and pneumatic tools.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Strength Metal Construction:\u003c\/strong\u003e Precision-machined from durable high-strength metal, this coupler is built to handle working pressures up to \u003cstrong\u003e1.0 MPa and above\u003c\/strong\u003e, ensuring long-lasting performance in demanding industrial environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Safety One-Way Valve:\u003c\/strong\u003e An integrated one-way valve and safety locking mechanism automatically closes the air circuit upon disconnection, preventing gas leakage and enhancing safety for high-sealing applications in food processing, automotive, and industrial sectors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eQuick Connect Coupler\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/4 NPT Female\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-Strength Metal\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Working Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≥ 1.0 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle-Hand Self-Locking\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 1\/4 NPT Female Pneumatic Quick Connect Coupler\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eActual color may vary slightly from images due to monitor brightness and lighting conditions.\u003c\/li\u003e\n  \u003cli\u003ePlease allow minor measurement deviations due to manual measurement processes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLearn More About Pneumatic Safety\u003c\/h3\u003e\n\u003cp\u003eFor guidelines on the safe use of compressed air systems and pneumatic tools in the workplace, refer to the OSHA Pneumatic Tools Safety Resource.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What thread size is this pneumatic quick connect coupler?\u003c\/h4\u003e\n\u003cp\u003eA: This coupler features a standard \u003cstrong\u003e1\/4 NPT female thread\u003c\/strong\u003e interface, making it compatible with the vast majority of pneumatic tools, air hoses, and compressor fittings that use the NPT (National Pipe Thread) standard.\u003c\/p\u003e\n\u003ch4\u003eQ: How does the single-hand self-locking mechanism work?\u003c\/h4\u003e\n\u003cp\u003eA: The coupler's innovative self-locking design allows you to insert and secure the air fitting with just one hand — simply push in to connect and pull back the collar to disconnect. The built-in locking mechanism holds the connection firmly in place under pressure, while the one-way valve automatically seals the air circuit when the coupler is disconnected.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the maximum working pressure this coupler can handle?\u003c\/h4\u003e\n\u003cp\u003eA: This quick connect coupler is constructed from high-strength precision-machined metal and is rated for working pressures of \u003cstrong\u003e1.0 MPa and above\u003c\/strong\u003e, making it suitable for demanding industrial and commercial pneumatic applications.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this coupler suitable for use in the automotive or food industry?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The integrated safety one-way valve and self-locking mechanism make this coupler an excellent choice for high-sealing environments, including automotive workshops, food processing equipment, and automated manufacturing systems.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What thread size is this pneumatic quick connect coupler?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This coupler features a standard 1\/4 NPT female thread interface, making it compatible with the vast majority of pneumatic tools, air hoses, and compressor fittings that use the NPT (National Pipe Thread) standard.\"}}, {\"@type\": \"Question\", \"name\": \"How does the single-hand self-locking mechanism work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The coupler's innovative self-locking design allows you to insert and secure the air fitting with just one hand — simply push in to connect and pull back the collar to disconnect. 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