Document XO5yepGwv0nag9dqDJrVRzMZG

Heating Systems valves, Aie The Dole Valve Company Main offices and Factory: 1901-1941 Carroll Avenue, Chicago, III. Branch Offices and Representatives In all Principal Cities Dole No. 1A Varl-Vent Valve is designed to be part of a room-thermostat-controlled oil, gas or stoker fired gravity steam heating system. Vents air extra fast. Permits com fortable heating with lower and more economical boiler pressures. On systems using this valve throughout, all radiators are heated quickly with only ounces of pressure rather than the usyal pounds. Also BALANCES distribution of heat to radi ators; gives definite straight-line control--any vent ing speed between virtu allyclosed and wide open. Large and distant radia tors heat as rapidly as those close to boiler. Tamper-proof -- can be set and locked. Easily installed on any cast iron radiator. Finished in bright chromium finish. [jjj .Ml! No. 1A Vari-Vent Valve No. IB Vari-Vent Air Valve No. 1C Quick Vent Float Valve No. IB Vari-Vent Air Valve on each convector for BALANCING automatically fired gravity steam convector installations. No. 1C Quick Vent Float Valve for mains of automatically fired gravity steam installations. Valves at Right (top to bottom) No. 3 Air Valve for all types of gravity steam installations operated at any pressure up to 15 lb. Positive seal against water. No. 3C Air Valve, all purpose straight type. Particularly recom mended for unit heaters. No. 4 Quick Vent Valve, for mains ending 18 in. or more above boiler water line. No. 5 Quick Vent Valve. Positive seal against water. No. 2B Vacuum Valve for vacuumizinggravity steam installations. Valves Below {left to right) No. 14 Key Valve for venting concealed radiators and convec tors of hot water heating systems. No. 1933 Air Valve. Low cost, high quality and performance. No. 6B Vacuum Valve for quick venting main of vacuumized systems. No. '2B Vari-Vent Vacuum Valve for BALANCING vacuum- ized gravity steam installations. Write the Dole Valve Company for a handy Selector Chart which indicates the Dole Air or Vacuum Valve most suited for a particular need. 1040 Heating Systems vairea Jenkins Bros. BRONZE - IRON - STEEL VALVES Mechanical Rubber Goods go White St.. New York, N. Y.; 524 Atlantic St., Boston, Mass. ; 376 Spring St., N. W., Atlanta, Ga. ; 133 N. Seventh St., Philadelphia, Pa.; 1514 Fulton St., Chicago, III.; 1112 Walnut St., Houston, Tex. Bridgeport, Conn. (Office and Factory) Jenkins Bros., Ltd.: London, W.C. 2; Montreal, Que., (Works and Main Office). IN VALVES U nGIvVrEoS vYeOiUn iE?-VERYTHING Fig. 768 Bronx Rcgrind- ing String Cheek Fig. 106A Bronx Globe, Renewable Comp. Disc Fig. SIS Iron Body Regrinding Globe Fig. 870 ' Fig. 885 Bronx Gale Iron Body Gale Fig. 684 Iron Body Regrind ing String Cheek OVER 500 DIFFERENT JENKINS VALVES COVER EVERY HEATING AND AIR CONDITIONING NEED To adequately describe the complete Jenkins line of valves requires a Catalog of more than 300 pages. There are over 500 different types and patterns of valves that bear the trusted. "Diamond" trade mark. Practically speaking, Jenkins can furnish any valve that you may require for plumbing, heating, air conditioning, general industrial or engineering service. General Classifications of Jenkins Valves Include--Bronze. Valves fitted with Jenkins renewable composition disc. Bronze Regrind-Renew Valves with bevel and plug type seats. Bronze Gate Valves. Iron Body Valves fitted with Jenkins renewable composition disc. Iron Body Regrinding Valves. Iron Body Gate Valves with solid wedge and double disc parallel seats. All-Iron ' Valves. Cast Steel Gate, Globe and Swing Check Valves. Electrically and Hydraulically Operated Valves. Radiator Valves. Fire Line Valves. Quick-opening and Self closing Valves, Needle Valves, Y Valves, Solder-End Valves, Stainless Steel Valves. Other Jenkins Products Are -- Colored Valve Wheels with or without service markings molded in relief letters. Composition Valve Discs exactly suited to service conditions. Sheet Packing. Gas kets. Moncrieff Scotch Gage Glasses. JENKINS VALVES ARE SOLD BY GOOD SUPPLY HOUSES EVERYWHERE 1041