These are tubes with a manually-operated inspection gate with a diameter which matches the size of the attached tube. Easy and quick to operate.
These parts incorporate a cellular rubber part between the body and the peep-hole to ensure proper sealing. Models in transparent Plexiglas or junctions with blind peep-holes are also available..
Ideal for placing at points on the tube network where blockages may occur or where air circulation needs to be checked.
For general application in powder collection conduits, especially in pneumatic transport tube networks for materials and particles.