Document NEQRkoxoGxk6kK4wY3r08Dd0w

Air System Equipment Hirschman-Pohle Co., Inc. Since 1908 200 Lent Ave. . . . LeRoy, N. Y. Sales Representatives in Principal Cities Manufacturers of all types of Power and Gravity Roof Ventilators 9 Minimum Overall Height (So Desirable for Modern One-Story School Buildings) Roof opening "A" Cowl height "C" 10* J2* 15' 18* 20' 24' 30* 38' & W 6' 7' 8' w 11' 12* 14' 16' The Hlrschman Type "CAF" Electric ventilator Bhown has been designed in response to a demand for the absolute minimum in overall height above the roof line, and as standard construction uses our INSULATED DOUBLE SHELL STEEL CURB of any of the several types for any kind of roof deck. Fan and motor assembly avail able for a wide range of capacities at the lower static pressures. The companion Type "CA" gravity or pressure relief ventilator (not shown) uses the same general construction minus the fan and motor. Either type subject to numerous modifications to meet the needs of any building project. - Cone removobia for service S1..I Motor -- Supports v-Beii oivyjc'pb0SB.Motof B.B.PU10W BiocWsJriile - - Sliding / for service Spring ft Rubber Vibration Absorbers Louver Domper Corner Our Type "LA" STATICK Power ventilator designed for efficient exhaust at either low or high static pressure, using non-overloading backward curved blade centrifugal fan, available in many sizes'for almost any required capacity within reason. Note the damper housing above the top of the curb providing ready access to whatever type of damper is used. The Type "LB" STATICK Power ventilator (not shown) uses a similar construction minus the damper housing. See Sweet's Architectural, Engineering, or Industrial Construction Files, Complete data on any or all types gladly furnished on request 1400 Air System Equipment Iron Lung Ventilator Company 5407 Prospect Avenue Cleveland 3, Ohio Manufacturers of IRON LUNG Roof Ventilators and Air Intake Units High Velocity Discharge exhausts pol luted air so high above the roof that impurities cannot return to building through open doors and windows. All IRON LUNG roof ventilators are equipped with Airfoil Propeller Axial Flow Fans having air delivery ratings certified in accordance with the Stand ard Test Code for Axial Fans endorsed by the PFMA and the ASHVE. Without cost or obligation our experi enced engineers will cooperate in plan ning efficient ventilation for any type or size of industrial building. Write for Catalog listing all sizes with complete specifications. Data sheet will be in cluded to make it convenient to explain a specific ventilating problem. "IRON t UNG Chassis, Assembled" "Cut-o-too,'View oSIRON LUNQ" Left: IRON LUNG chassis, a sturdy all-welded unit that supports the fan, fan ring, and motor--one of the really great improvements to electrically op erated roof ventilators. Adds strength to the entire unit--absorbs vibrations. Cat. No. Size 300 20* 340 24' 341 24' 348 30* 351 358 30* 36' 370 42* 376 48' 383 . GO* IRON LUNG RATINGS RATING CFM HP RPM Approx. Net Wt. 110/220 Volt, 1 Phase, 60 Cycle 3720 W 1725 5200 1725 220/440 (or 550) Volt, 3 Phase, 60 Cycle 6510 1725 8880 0 1725 10900 1 1725 13500 1 1725 21150 2 1140 28800 3 1140 40000 3 1140 175 lbs. 209 lbs. 233 lbs. 288 lbs. 300 lbs. 390 lbs. 613 lbs. 773 lbs. 875 lbs. ShSI-m. 250 lbs. 316 lbs. 356 lbs. 455 lbs. 485 lbs. 585 lbs. 808 lbs. 983 lbs. 1175 lbs. IRON LUNG DIMENSIONS Sue of All Dimensions are for Units of 5 HP or Less Iron bung 20* _ "A" 24* 30* 36' 42' 48' B D Overall Curb 27' 14%' 15' 30* 37' 31' 17* 15' 34' 41' 37* 43' 49* 55' 20>6' 230 26% 30' 15' 19* 19' 22' 40 48' 54' 62' 47' 55' 61' 69* 60' 67' 36H* 22' 74' 81'