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HM-252 Cement Autoclave provides accelerated curing of mortar bar specimens in controlled steam pressure and temperature to determine expansion of hydraulic cements by ASTM C151 method. The ASME-certified welded steel cylinder features a bolted cover and is mounted on a rugged frame encased in a heat-insulated metal housing. Operating pressures are automatically maintained through the regulator from 60—350psi (0.4—2.4MPa) and displayed on the 600psi x 5psi dial gauge with 4.5in (115mm) diameter. A certified 350psi safety pop valve is included. An ASTM 2F thermometer, air vent valve, wrench, and package of five gaskets are also included. Replacement Gaskets, Test Bar Holder, ASTM Thermometer and Safety Pop Valves are available as accessories. HM-254 Test Bar Holder is purchased separately. The unit operates on 115V/50-60Hz at 15.7 amps maximum power demand. For use with 230V service, order TR-3002 3,000W Step-Up/Step-Down Transformer.
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