PNEUMATIC CONNECTIONS:
CF6/4: compression ferrule for copper (CU) pipe 6/4x1mm
CF8/6: compression ferrule for copper (CU) pipe 8/6x1mm or polyamide (PA) hose 8/6x1mm
FU6/4: flared union for copper (CU) pipe 6/4x1 mm
ss-CF8/6: stainless steel compression ferrule for stainless steel (ss) pipe 8/6x1mm or polyamide (PA) hose 8/6x1mm
QU8/6: quick union for polyamide (PA) hose 8/6x1mm (for tanks with up to 500 mbar overpressure)