The housing of this heat exchanger is coated with Teflon, which is resistant to many corrosive chemicals. Teflon is often an economical alternative to stainless steel or exotic metal construction. Note the new super strong, low cost conical transitions (pat. pending). The unit was pressure tested at 75 PSIG.
Xchanger, Inc., 1401 S. 7th Avenue, Hopkins, MN 55343. Tel: 612-9332559; Fax: 612/933-5647.