The AAP Coupling Threaded - NPT Stainless 316 is a professional-grade product from AAP — Australia's specialist in industrial valves, pipe fittings, and flow control solutions. It is suited to joining two pipe sections with a plain or threaded end in industrial piping systems and related applications across process engineering, maintenance, and industrial plant. Where this product is used Couplings join two pipe sections with a full socket connection in threaded, buttweld, or socket weld configurations. AAP couplings are used in stainless steel and galvanised piping throughout industrial process and utility systems. Joining two pipe sections with a plain or threaded end in industrial piping systems Threaded couplings in BSP and BSPT piping for process and utility applications Stainless steel and galvanised coupling connections in food, chemical, and water systems Key specifications Material 316/316L Stainless Steel Connection Threaded Thread Standard NPT Selecting the right option Select couplings by nominal pipe size and thread or end type (threaded, buttweld, or socket weld). Thread standard (BSPT, NPT) and material are noted in the product title.