Document jNVXdkXvkgdZjZyMgze2yGDE2

Controls and Instruments Hubbell Corporation Mundelein, Illinois C. & S. EQUIPMENT CO., INC. 2103 Saa Pedro St, Los Angeles 11, Calif. MASON EMANUELS CO. 91 Dearborn SiS"Seattle 4, Wash. Designers and.Manufacturers of Automatic Control Valves for AU Refrigerants Type SAS. SFS Type SAS, SFS Type SA-7, SF-1 Back Pressure Regulating Valves are of the conventional type used to maintain a constant evaporator pressure. Combination Back Pressure Regulator and Stop Valves. This regulator is of the conventional type used to maintain a constant evaporator pressure and the addition of a small electric pilot valve built into the head, makes it a suction stop valve. Controls and Instruments Illinois Testing Laboratories, Inc. Room 516, 420 N. La Salle St., Chicago 10, 111. Precision Instruments for Every Industry The direct-reading ALNOR VELOMETER Type DSAS, DSPS 1. The Type "T" suction stop valve is any two evaporator pressures and will used where automatic suction line con automatically change from one to the trol is required. It is operated by high other by the opening or closing of the pressure gas and its construction makes electric pilot valve. a tight closing valve and its dependabil ity far surpasses the conventional mag netic stop valve. 3. The SAC-6 and SFC-6 valves are of the compensating type and are used where a constant temperature is desired in the 2. The DSA-9-DSF-9 is a dual regulator medium being cooled. These valves will which will control evaporators with increase or decrease the evaporator pres two load conditions requiring different sure to compensate for the increase or refrigerant temperatures. The dia decrease of the cooling load. Operated phragms in the dual head may be set for with air or electricity. Solenoid Valves from % in. to 2 in. inclusive for liquids and gases with com position seat discs readily renewable, coils for any electrical characteristics, built-in lifting stem standard, with either screwed, welding flanges or copper tube connections. Strainers in all sizes for liquids and gas with very large screen areas and ar ranged to bolt directly to valve or with screwed, welding flange or copper tube connections for installation wherever strainer is necessary. All valves have built-in opening stems, which eliminates the by-passes usually used for manual operation. With either screwed, welding type flanges or copper tube connections, in sizes from % in. to 8 in. inclusive. Write for complete information on these and our many additional Refrigeration Controls and Accessories. 1468 TYPE 1-F Standard minimum set far heating and air conditioning air velocity measurements. The Alnor Velmoeter is an instantane ous, direct-reading air velocity meter designed for convenient, rapid deter mination of air velocities in air condi tioning, heating and ventilating, and exhaust systems. It gives instantaneous direct readings in feet per minute, with out timing, calculations, or reference to tables or charts. Accurate information on performance of equipment, duct sys tems, etc., can be obtained with a few foments inspection with the VELOMETER. It can be effectively used to locate drafts and leaks around windows an(* doors, or in duct systems. Alnor Velometer, Jr. A miniature, di rect reading Velometer--i in. high, 3 in. wide, l- in. deep. Weight, 8 oz. Accu rate, strong. Available in single and double scale ranges: 0-200 to 0-2500 fpm. Bulletin 725. The Alnor Velometer is built in several standard ranges from 20 fpm to 6000 Alnor Thermo-Anemometer, For accu rate measurement of low air velocity. *>m' and up to 3 in. static or total Compact, direct-reading, battery oper pressure. Special ranges available as as 10 fpm and up to 25,000 fpm Ve ^ity and 20 in. pressure. ated, self-contained, portable. Scale 6 in. Meter ranges: 0-600 fpm and double range 0-300/100-2000 fpm. Accurate readings as low as 5 fpm. Temporary Bulletin 913-A. 1469