Graham Corporation offers a range of equipment to meet your vacuum system application requirements. We can draw on 60+ years of experience in vacuum technology. Graham equipment has been proven in pharmaceuticals, specialty chemicals, fibers, edible oils, resins, ammonia, refineries, petrochemical, fragrances, flavors, food additives, soaps and detergents.
PRECONDENSERS
Graham designs provide efficient condensing of process vapors with minimized pressure drops to minimize operating utilities and equipment cost. Precondensers as well as system inter and after condensers are designed and fabricated in-house.
STEAM JET EJECTORSSingle Stage or Multiple Stage Ejectors with pressures to 0.001 TORR are available in a variety of materials and arrangements. Graham has built single stage ejectors to handle 575,000 CFM @ 100 TORR. Graham ejectors can be operated with many motive fluids: steam, air, organic vapor and other gases.
LIQUID RING VACUUM PUMPS AND COMPRESSORS
Flow rates up to 3000 CFM with capacities ranging to 25 TORR in vacuum service and 30 PSIG in compression service. Single and Two Stage Pumps can be provided as a bare pump, standard package or custom package. Pumps can be combined with jet ejectors or mechanical boosters for added capacity. Graham Liquid Ring Pumps and Cor-Resist™ Pumps are available in carbon steel and many alloy materials.
GRAHAM DRYFLO™ VACUUM PUMPS
Basic and RGC Version Dryflo™ two stage hook & claw type vacuum pumps require no steam, oil, sealant fluid or other working fluids. Dryflo™ vacuum pumps avoid product contamination and creation of additional waste products. Dryflo™ vacuum pumps operate with cooler internal and discharge temperatures than other dry type pumps. As there is no mechanical compression in Dryflo™ vacuum pumps, they can handle liquids and can even be started up flooded. Dryflo™ vacuum pumps can be disassembled and reassembled in 2-4 hours. Capacity is 250 ACFM @ 7 TORR with capability up to 1750 ACFM @ 0.5 TORR when coupled with dry type booster pumps.
VACWORKS™ DESIGN SOFTWARE
CD-ROM loaded with vacuum system design software and technical support.
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