KB3D AirPurge (Patreon)

A new device for Gasmask based safety.

A simple push button which quickly introduces a new source of fresh air. Just press the button, and a new opening for air is introduced.

This does require a rubber seal. Rubber seal dimensions:

Material: Rubber

Outer Diameter (OD): 22 mm

Cross Section (CS): 2.4 mm

To assemble. Slot the Action valve into the AirPurge Valve Screw. Attach the seal to the action valve in that small groove around the point. Screw the AirPurge valve screw and Valve action into the valve body. push the Button on top. The button should fit by friction.

O-rings can be purchased from here if you don’t want to find them yourself. https://www.kb3d.co.uk/products/kb3d-part-airpurge-o-ring