Dual Containment Pfa Tubing, Our PFA dual containment fittings enable a process line to pass through two walls uninterrupted. This system PFA primary containment and a special blend PFA secondary containment combine to provide safe, reliable double contained tubing that can be installed or retrofitted in mere hours Protect against chemical leaks with Chemline Dual Containment Piping System. This system is a unique dual extruded and molded system. Easy to handle - highly flexible dual containment with a minimal bend radius. Chemline Plastics offers high quality, corrosion resistant PFA tubing systems for diverse industrial applications. This innovative product allows long, continuous dual contained tubing lengths without the Overview- Zeus double containment tubing exceeds the stringent requirements of the SEMI F57 specification. The inner tube of High Purity PFA is for primary containment of harsh chemicals. Valves, Dual Containment Systems For maximum safety level of chemical containment Tubing The carrier (inner) tube of PFA is the primary chemical line. Dual containment tubing can also be supplied DUAL CONTAINMENT HOSE SYSTEM PFA/PVC Ultra flexible with corrugated PFA tubing Page1of1AS\G\V\Ki\DB_Corrugated_Tubing_en. All other double containment systems are made from single wall components and then assembled into a Altaflo 480 dual containment tubing for semiconductor and pharmaceutical chemical systems.