These sealing rings should be used to create a seal between the top of the shaft of an inspection or catchpit chamber and the rim of a 350mm restriction cap.
FESTO 578342 NPQH Screw Fastener G1/4" up to 20 bar sealing ring
FESTO 578282 Screw Fastener G1/8" 0.95-20 bar sealing ring Std size
FESTO 578276 Screw Fastener M5 thread 20 bar sealing ring 10 pcs
Sealing Ring for 63mm Ducting Coupler
Sealing Ring for 40mm Ducting Coupler
Sealing Ring for 110mm Ducting Coupler
