Sta-Rite J And JB Series Medium Head Centrifugal Pumps, 1/3 thru 2-1/2 HP, 1- or 3-phase. J/JB Series and other STA-Rite® Industries centrifugal pumps can be ordered with T.E.F.C. motors, and with other design characteristics. J Series with Noryl® impellers is abrasion-resistant for normal applications with working temperatures to 140 degrees Fahrenheit. JB Series has silicon bronze impellers and viton seals for even higher temperature handling.