PCV Pipe CUPLA - Weld-Free Connection to Copper Pipes
Easy Connection with a Single Lever Operation - Ideal for Pressure Testing, Vacuuming, and Refrigerant Charging
"PCV Pipe CUPLA" is a quick connect fluid coupling designed for copper pipe connections. No welding, machining, or tightening is required—pipes can be easily and directly connected. Its dual-seal structure on both the pipe end face and outer surface ensures excellent airtightness and vacuum resistance, supporting vacuum levels down to 0.13 Pa (0.001 mmHg) during connection. A wide range of sizes and sealing materials are available to meet the needs of manufacturing processes for air conditioners, refrigerators, and packaged systems. Features: - No welding, machining, or tightening required - Excellent airtightness and vacuum resistance - Size variations to match pipe outer diameters - Wide selection of mounting thread sizes Note: PCV400, PCV500, and PCV1000 are made-to-order products.
basic information
Specifications: - Body material: Brass - Copper pipe O.D.: φ4.76, φ6.0, φ6.35, φ8.0, φ9.52, φ12.7,φ15.88 (For φ4.0, φ5.0,φ10.0 pipes, made-to-order models available) - Working pressure: 4.5 MPa (46 kgf/cm²) - Seal material: Chloroprene rubber (CR), Fluoro rubber (FKM), Hydrogenated nitrile rubber (HNBR) - Working temperature range CR: -20℃ to ＋80℃ FKM: -20℃ to +180℃ HNBR: -20℃ to +120℃
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The NITTO KOHKI Group supports comfortable living and a prosperous future across a wide range of fields—from construction sites to the aerospace industry and global environmental maintenance projects. We respond to increasingly diverse needs with outstanding engineering that promotes efficiency and labor-saving. Our unique technologies are developed from the user’s perspective, creating convenient and innovative tools that serve as bridges to the next generation.