DOUBLE-PIPE™Type IW is a stainless or alloy x stainless, alloy prefabricated, secondary containment piping system for hazardous chemicals, process waste and general fluid transportation. It is used where fluid is corrosive.
DOUBLE-PIPE™Type IW is a stainless steel of alloy steel x stainless or alloy outer containment system for complying with Federal regulations for secondary containment of hazardous fluids, This drainable, dryable and testable, prefabricated, secondary contained piping system is designed for the distribution of jet fuel, radioactive waste, bio-process waste and chemical transfer. DOUBLE-PIPE™Type IW can be used for above and below grade systems with no need for cathodic protection. DOUBLE-PIPE™Type IW is supplied with stainless or other high alloy pipe and containment with single or multiple steel carrier pipes. The carrier pipe(s) can be insulated with any type of pipe insulation. PERMA-PIPE® recommends mineral wool insulation that has passed a certified boiling test. Other options for this piping system include a PERMALERT™ Leak Detection and Location system and electric heat tracing.