By using the size selecting chart on the lid of the carry case or in the manual. If neither are available choose a projectile approximately 20% larger than the ID of the hose, tube or pipe to be cleaned.

The projectiles will keep going as long as you keep the volume of air behind the projectile constant. In past tests the projectiles have traveled for more than 3kms.

Just normal workshop air pressure of 85psi or 150ps, or from a portable source.

To guide the projectiles into the hose, tube or pipe to be cleaned.

The tube system consists of a pneumatic launcher, two adapter rings, a set of nozzles and a high flow quick coupler, operational technical manual in a lockable carry case.

Place the launcher without a projectile on the other end of the hose, tube or pipe and fire the launcher. This will remove the projectile.

Yes

Yes, but only through ball and gate type valves.

Yes, as long as you follow the rules laid out in the operations manual.