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REFRIGERANT CONTROLS AND PARTS THEREOF

COOLING, VENTILATING, AND HEAT EXCHANGE APPARATUS-NAMELY, FAN COOLERS FOR LIQUIDS AND GASES, SPRAY COOLERS FOR LIQUIDS AND GASES, REFRIGERANT CONCENTRATORS, CONDENSERS FOR SEPARATING VAPORS AND GASES, DRY AND WET SURFACE HEAT EXCHANGERS, AFTER-COOLERS, SPRAYED COIL CONDITIONERS FOR LIQUIDS AND GASES, AIR PRECOOLERS, MOTOR BLOWERS, AIR MAKEUP HEATERS, AND PARTS THEREOF