Energy Recovery Inc., of San Leandro, Calif., introduces affordable 316 Stainless Steel Flexible Couplings to its product line. The couplings are currently available in three sizes, 1-1/4??, 1-1/2?? and 2″ with either mill finished or mirror polished surfaces. Included with the coupling unit are 316 SS bolts and washers, silicon bronze nuts (to eliminate galling) and EPDM rubber gaskets. The couplings are rated to 1,000 psi (69 bar) and meet ASTM standard A 351.