USED GIFFORD WOOD VERTICAL COLLOID MILL MODEL W 500 V, SERIAL # 75.1034.0490B. FEATURES ALL STAINLESS STEEL AND STELLITE PHARMACEUTICAL GRADE CONTACT SURFACES, MANUALLY ADJUSTABLE ROTAR/STATOR GAP WITH INDICATOR DIAL, 15 HORSEPOWER DIRECT COUPLED DRIVE BY RELIANCE @ 3515 RPM, UNDERWRITTERS LABORATORY RATED FOR HAZARDOUS LOCATIONS UNDER CLASS 1, GROUP D, CLASS II, GROUPS F & G, (TAG IS PARTIALLY ILLEGIBLE), MANUFACTURER RATES FOR 20 TO 65 GPM OUTPUT DEPENDING ON GAP SETTING, FACTORY FEED HOPPER, JACKETED MILL HOUSING. FORMERLY USED IN PHARMACEUTICAL MANUFACTURING.