VALVE:ROTARY:NOMINAL SIZE: ZRC250,TYPE: DUROPROTECT 5,TEMPERATURE RATING: 290 DEG C. ADDITIONAL TEXT; PRODUCT:ALUMINIUM OXIDE ALLOWABLE TEMPERATURE MAX: 290 °C CHARACTERISTIC :FREE FLOWING, DRY, ABRASIVE HOUSING:GREY SIDE COVER END PLATES: GREY CAST IRON INSIDE, TUNGSTEN CARBIDE SPRAYED DUROCARB 300#M CAST: IRON DUROCERA DRILLED ACC.ANSI 150 LBS; INLET:10, OUTLET 10;WITHOUT GEARMOTOR;SEALING SET SHAFT SEALING WLF, VITON FOR SEAL PURGE; ROTOR: MILD STEEL, CLOSED ON SIDES