Document 4JV1XxDjrD4q9p5bXDk0VZwj1

Grinnell Company, Inc. Heating and Piping Systems, Industrial GRINNELL ADJUSTABLE PIPE HANGERS AND SUPPORTS One of the chief advantages of Grinnell Adjustable Hangers is that they permit adjustment of pipe lines after installation, thus obviating the necessity of tumbuckles or the removal of hangers. Their time and trouble-saving qualities during installation are equally exceptional. Below are shown a few Grinnell Hangers and Supports of par ticular interest to heating engineers. Send for Hanger Catalogue showing complete line. Fig. No. 101 Solid Ring Adjustable Swivel Rings (Patented) These Malleable Iron Adjustable Swivel Rings can be used with Coach Screw Rod or Machine Threaded Rod in connection with practically any type of Ceiling Flange, Expansion Case, Insert, etc. Adjustment of at least 1 ^ in. is secured by turning Swivel Shank. Swivel Shank automatically locks, preventing loosening due to vibration in the pipe line. The Split Ring permits adjustment either before or after Ring is closed. A wedge type pin is loosely but inseparably cast into the hinged section for fastening this section after pipe is in place. Fig. No. 104 Split Ring Fig. No. 174 ' Swivel Pipe Roll Adjustable Swivel Pipe Rolls (Patented) An adjustable type of pipe roll using a single hanger rod. Swivel Shank allows vertical adjustment and automatically locks, preventing loosening from vibration. CB-Universal Concrete Inserts (Patented) Made of air furnace malleable iron, in one body size, to take a special removable nut, tapped for % in*. in., % in. or ^ in. rod as required. Nuts automatically lock by means of V-type teeth on both insert and nuts. Fig. No. t8t CB-Unicertal Insert GRINNELL WELDING FITTINGS 00" Elbow. Long Turn Grinnell Welding Fittings are made from Seamless Steel Pipe or tubing and possess the same physical characteristics as stan dard, extra strong and o.d. steel pipe or seamless steel pipe of comparable size. They can be used under the same con ditions, pressures and temperatures as the pipe itself. Welding faces for all plain circum ferential Butt Welds are scarfed or beveled to the regulation 45 deg. angle with in. square end on inside of fitting. Angles of bevel other than 45 deg. can be furnished on special orders. Wdding Ootid Adding Tee Lop Flanged Wddino Neck 1002 Threaded Ootid Heating and Ventilating Units John J. Nesbitt, Inc. Holmesburg, Philadelphia, Pa. 11 Park Place, New York City Manufacturers of THE NESBITT SYNCRETIZER Heating and Ventilating Unit, sold by John J. Nesbitt, Inc., and American Blower Corporation; NESBITT HEATING SURFACE with Steam-distributing Tubes, sold by leading manufacturers of fan-system apparatus; WEBSTER-NESBITT UNIT HEATERS (for details see page 1127), distributed in the U.S.A. by Warren Webster & Company. The Nesbitt Syncretizer Series 400 The last word in heating and ventilating units for schoolrooms, offices, etc., where the continuous introduction of outdoor air is desired. Made in three types or cycles of control, to circulate all outdoor air or varying percentages of outdoor air. Fully automatic. Doubly controlled by a room thermostat and the Nesbitt Air-Stream Minimum Temperature Control, to pre vent drafts and overheating and to har monize (syncretize) air-stream and room temperatures. Available in models to deliver from 750 cfm to 1560 cfm, ane mometer rating^ Modem in appearance; quiet; economical. Nesbitt Syncretizers may be installed for today under conditions which require all outdoor air, and the cycle of control adjusted for tomorrow when conditions permit recirculation of room air. Nesbitt Syncretizers are sold by Ameri can Blower Corporation, as well as by Nesbitt representatives. For engineering data, get Publication No. 225; for "The Story of Syncretized Air," Publication No. 226. Nesbitt Series B Thermovent For Large Interiors For heating and ventilating auditoriums, gymnasiums, assembly halls, and similar gathering places, there are the Nesbitt Series B Thermovents, in capacities of from 2000 cfm to 6000 cfm, anemometer rating--Publication No. 227. Nesbitt Heating Surface with Steam-distributing Tubes Copper tube and fin heat transfer sur face perfectly adapted to close, continuous automatic control with modulating steam valves. Revolutionary steam-distributing tubes within the condensing tubes carry the steam equally to all parts of the section, thus assuring UNIFORM discharge tem peratures, even under throttled steam supply; eliminating temperature stratifi cation; preventing tube freezing without preheaters; giving ideal system results. The man above is holding a steam-dis tributing tube from Nesbitt Surface. Strong and lasting, built to withstand test pressures up to 200 lb gauge. Avail able in cased or uncased units of many sizes and capacities, to meet every need. Sold by many leading manufacturers of fan-system apparatus (list upon request). Send for Publication No. 229 which con tains full particulars and engineering data. 1003