Piping that goes from High Pressure RO Pump parts that are connected to the Vessel, RO Permeate, Reject Brine, use Super Duplex materials/Duplex, Alloy Flange ASME 600 Class all #
The piping from the interface to the RO High Pressure Pump RO Vessel, Permeate, Brine Reject to use Super Duplex / Duplex Alloy, Flange all to ASME Class 600 #.
Piping part from RO High Pressure Pump part connected to the RO, Brine Permeate Vessel, Reject materials Super Duplex. Alloy Flange / Duplex, as ASME Class 600 #.