The bulkhead quick connections are designed to allow low tubes to pass through the filter wall in a simple and rational way, without requiring welds or threaded connections.
PD Series is used to connect two pipes and comes in the following sizes
Size - 20mm (3/4"), 25mm (1"), 40mm (1 1/2") or 55mm (2")
PS Series is used for the air cannon and comes in the following sizes
Size - 20mm (3/4"), 25mm (1"), 40mm (1 1/2") or 55mm (2")
Mounting keys are also available.