The AAP Pipe Nipple is a professional-grade product from AAP — Australia's specialist in industrial valves, pipe fittings, and flow control solutions. It is suited to short threaded connections between fittings, valves, and equipment in pipe systems and related applications across process engineering, maintenance, and industrial plant. Where this product is used Nipples are short threaded pipe sections used to connect fittings, valves, and equipment in close-coupled piping systems. AAP nipples are used in BSP and NPT threaded systems in stainless steel and galvanised configurations. Short threaded connections between fittings, valves, and equipment in pipe systems Extension nipples and hex nipples in BSP and NPT threaded piping systems Close-coupled connections in plumbing, process, and industrial maintenance work Selecting the right option Select nipples by nominal size, length, and thread type (BSP, BSPT, NPT). Material (stainless 316, galvanised steel, or brass) is listed in the title. Hex nipples and cross-over nipples are available where fittings of different sizes or standards must be joined.