Document 4a35rRgnmj6qKwxwRkRYZg5Dj

Hoffman Specially Co., Inc, Specialties, Heating TYPICAL INSTALLATIONS HOFFMAN "CONTROLLED HEAT" EQUIPMENT ORV (CHAN GRADMGOOW FltttlOOUR ALLOWANCE GRADE OF MAM SUPPLY MAM SUPPLY TO prs It CAPACITIES LOOP CAPACITY Ante an I'mc i>U MniiA IDJTxjk CMKCTB* sat 000 N*t 5500 WJ 7600 m* 15000 4' 4 50 50 !' IV4 BLOW Off VALVE* WET RETURN 400 *6low orr valve . RETURN Specialties, Heating The McAlear Mfg. Co. 1901-1907 So. Western Avenue CHICAGO Power and Heating Specialties for Controlling Pressures and Flow of Steam, Water, Air or Gas Pressure Reducing Valves--used in Low Pressure, Vacuum or Vapor heating systems or any other service where close regulation and absolute con trol is required. USE Fig. 155 for ini tial pressures up to 150 lb. and re ducing to service pressures 0-10 lb. Fig. 185 Single Seated Valves on dead end service where reduced pressure is below 10 lb. Fig. 245 Spring Weighted type for initial pressures up to 150 lb. and reducing to service pressures above 10 lb. Fig. 265 Single Seated Valves for dead end service such as cooking tables, kitchen utensils, laundry mangles, etc. Steam Traps--For draining water of condensation from any steam apparatus or steam mains. Ho. 781--Low Pressure, uptctS fin. Air Elimi nator and Return Traps-- De signed for automatical ly returning water of condensation from low pressure steam or vapor sys tems direct to boiler and to exhaust the air to atmosphere. CAPACITIES Size Inlet Outlet Stein Vent. Capacity No. In. In. In. In. Sq. Ft. 01 1 1 V* 1.000 1 l'/4 w. 1 y. 2,000 2 l'/2 i'/i 1 y. 4,000 32 2 1 V* 6,000 4 2'/i 2'/i y. 10,000 53 3 1'/* 1 IS.000 63 3Vi i% 1 20,000 C Reversible Seat SPECIFY Fig. 685 for pressures up to 30 lb. Fig. 695 for pressures up to 125 lb. Fig. 705 for pressures above 125 lb. Fig. 715 for special low pressures. Rapid Feed Water Feeders are for maintaining water levels in low pressure steam boilers, receiving tanks, storage tanks, etc., where a large or small amount of make-up water is necessary. Very accurate and will hold water level almost stationary. Regular type for 30 lb. pressure. Water pressure must at all times be at least 10 or 15 lb. greater than the steam pressure. Strainers furnished with all feeders. Sizes, in.. % to 2. McAlear Heating and Power Plant Specialties include Oil Separators, Oil and. Grease Traps, Dirt Strainers, Suction Strainers, Vacuum Pump Governors, Boiler Feeders, Damper Regulators. Steam Separators, Back Pressure and Atmospheric Relief Valves, Radiator Traps, Packless Valves, Air Vents, Stop and Check Valves and many other devices. Catalog No. 27 covering our complete line gladly furnished upon request. 401