Document g247Eay3QYEODDE6NXrnN2kBQ

Gunnell Company, Inc. Heating and Piping Systems The Grirmell Equiflo Valve for forced hot water heating accom plishes : 1. More perfect equalization of flow to every radiator than has ever been practical by even the most careful calculation of pipe sizes. Size or location makes no difference. 2. The introduction of sufficient fric tional resistance to completely over come that trouble so pronounced in most forced hot water heating sys tems which is due to the well-known war between pump head (a constant) and the gravity of temperature head (a variable). This insures absolutely equalized circulation at all tem peratures. 3. Lower pumping costs. The Giinnell Equiflo Valve: 1. Serves as the regular shut-off valve for each radiator. It is of the pack less type. 2. It is so designed that after the instal lation is completed a multipleorifice cartridge or tube, having a definite resistance pre-determined by Grinnell Co., is dropped into place in same. In order to obtain all the ad vantages of this new development, it is only necessary for the Con sulting Engineer to specify that each radiator shall be equipped with a Grinnell Equiflo Valve. This device is marketed through the regular heating trade, and proper results are guaranteed by the standing of Grinnell Company in the hot water heating field. Power and Industrial Piping --The advantages of placing con tracts for all necessary piping with one reputable company are ob vious. Responsibility is centralized and a saving in cost is often effected. Grinnell Company, Inc. is prepared to submit bids and render expert, personally super vised construction service on all types of Power Plant and Indus trial Piping including Automatic Sprinkler Systems, piping for Acids, Alkalis, etc., Compressed Air Cleaning Systems, Humidifying Systems, Drying Machinery. A contract placed with Grinnell Com pany is carried out to the satisfac tion of all concerned. Materials of the highest quality are used. Grin nell Adjustable Hangers and Grin nell Fittings, for instance, save work in installation and make for cleaner, more satisfactory finished jobs and lower maintenance costs. Pipe Bends, Welds, Etc.-- Grinnell facilities for making Pipe Bends, Welds and Lap Joints are second to none. Three plants-- Providence, R. I., Auburn, 0., Atlanta, Ga.,--equipped with special modern machinery and operated by the most skillful work men make possible unusually prompt and efficient service on this important work. Grinnell Fittings--After years of buying cast iron fittings on the open market Grinnell Company concluded that the best way to obtain clean accurate fittings of uniformly high quality was to. cast them in Grinnell Foundries. Grin nell Cast Iron Flat Band Fittings made to conform to the American standard adopted by the Manu facturers Committee on Standardi zation of Fittings and by the N. F. P. A. can now be obtained by other users. Impartial pur chasers agree that accuracy of threading, freedom from sand holes, and smoothness of core speed up installations and reduce replace ments wherever Grinnell Fittings are specified. COMPANY Heating, Industrial and Power Plant Piping, Fittings, Hangers, Valves, Pipe Bending, Welding, Piping Supplies, Etc. 446 Grinnell Company, Inc. Healing and Piping Systems GRINNELL COMPANY Heating, Industrial and Power Plant Piping, Fittings, Hangers, Valves, Pipe Bending, Welding, Piping Supplies, Etc. Grinnell Adjustable Hangers ONE of the chief. advantages of Grinnell Adjustable Hangers is that they permit adjustment of pipe lines after installation, thus obviating the necessity of turn buckles or the removal of hangers. And their time and trouble-saving qualities during installation are equally exceptional. On this and the two following pages are shown a few Grinnell Hangers of particular interest to heating engineers. The Grinnell Hanger Blue Book, however, illustrates and describes the complete line and carries mechanical drawings and dimensional tables on practically every hanger shown. This feature alone makes the Grinnell Hanger Blue Book invaluable to Engineers, Architects and Draftsmen. As many copies as you require will be sent on request. Fig. No. tot Adjustable Swivel Ring--Solid Ring Type (Patented October 4. 1921) THIS Malleable Iron Adjustable Swivel Ring can be used with Coach Screw Rod or Machine Threaded Rod in connection with practically any type of Ceiling Flange, Expansion Case, Insert, etc. The unusual feature of this ring is the Swivel Shank. An adjustment of at least 1^ in. is secured by simply turning the nut on the shank. No temporary support of the pipe line is necessary while making adjustments. By means of a unique locking device the Swivel Shank automatically locks, preventing loosening due to vibration in the pipe line. Fig. No. 104 Adjustable Swivel Ring--Split Ring Type (Patented October 4. 1921) THE Split Ring Type of the Adjustable Swivel Ring was also designed for use with Coach Screw Rod or with Machine Threaded Rod. The Swivel Shank feature allows the same adjustment as in Fig. No. 101 and the off-center hinging of the ring, by providing sufficient seating to hold pipe securely, permits adjustments before the Ring is closed. The closing of the hinged section of this Ring securely locks the Swivel Shank. Fig. No. 225 Universal Side I-Beam Clamp (Patented April 6. 1915) ADAPTABLE to many uses, this Side I-Beam Clamp has ample strength for hanging % to 12 in. pipe from I-Beams. This Clamp in different sizes will fit all sizes of Standard and Bethlehem I-Beams, and most sizes of Bethlehem Girder Beams. Under conditions requiring vertical adjustment of the pipe line, this Side I-Beam Clamp is used with an Extension Piece or an Extension Eye Bolt. Fig. No. 226 Universal Channel Iron Clamp (Patented April 6, 1915) DUE to the adjustability of the Grinnell Channell Iron Clamp, three sizes of these clamps, with varying lengths of clamp rods, will meet most of the conditions encountered in practical installation work in connection--with channels. We know of nothing else on the market which will obviate the necessity for the making of specials for Channel Iron work. . 447