NEW EQUIPMENT AND MATERIALS
Quick-Coupling Filters Filters have been developed for extremely fine filtering. Screens are available in a variety of tough metals. Mesh sizes range from 20 to 700, pressures to 300 p.s.i., and temperatures to 450° F. Elements
2 J Ways to Transfer Heat
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Filters have been developed for fine filtering, pelletized for easy handling and installation
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roblems of heat exchange and process cooling in the chemical and petrochemical industries are best solved when limitations of specific materials, shapes and fabrication methods are reduced to a minimum.
will withstand 150 p.s.i. differential pressure without collapse. Dept. IEC, Ronningen-Petter Co., 330 South 27 th St., Vicksburg, Mich. 14
When National-U.S. engineers are called in early enough, they are frequently able to apply an unusual solution to a particular problem, because of their wide range of experience over a broad spectrum of industry. And only National-U.S. can offer both conventional heat exchange equipment in a complete range of metals plus units built from assemblies of corrosion-resistant cast iron. Write for details, or see new edition of Chemical Engi neering Catalog for name of nearest representative.
Hydraulic Valve New heat-resistant diaphragm material has extended the tempera ture range of the AVSCO automatic valve. Can be used in continuous service to 250° F. Dept. IEC, Automatic Valve Systems Co., 1535 Monrovia Ave., Newport Beach, Calif. 15 58.01
Heat Transfer Division
National-U.S. Radiator C O R P O R A T I O N 342 Madison Avenue » New York 17, New York 116A
INDUSTRIAL AND ENGINEERING CHEMISTRY
.ore information is as near as your mailbox! Just circle the number of the item in which you are interested on the Readers' Infor mation Card, preceding this section.
