The 2811 2253 81 AirNet fitting is a 1" ball valve adapter that is designed to connect your 1"/25mm AIRnet piping to a 1" NPT threaded port. The threaded port is female threads. This is designed to connect a standard piping system to AIRnet and provides a system isolation as well. This fitting is their pressure fit PF series line for easier installation.
It is best practices to use this fitting before/after an important piece of equipment, such as the outlet on an air compressor, and the inlet/outlet fittings of a dryer or filters.
This part number may also be shown as 2811 2253 81 or 2811-2253-81. This fitting was extremely common in systems that utilize piping from Atlas Copco or Quincy air compressors.
Part #: 2811 4453 81
Part #: 2811 1018 80
Part #: 2811 1118 80