Document mqbY48kXDVyYb9dzpknBNQXYd

Specialties Tlfonash-'wfounker Co, Chicago New York Thermostatic Return Line Traps, Adjustable and Non-Adjustable Automatic Air Valves for Radiators, Packless Radiator Supply Valves Monash Ten Year Guaranteed Return Line . Traps The distinctive feature of the Monash Thermostatic Trap is the Diaphragm, a separate and independent unit, so held in place that it minimizes the possibility of fracture or rupture. The No. 35 Trap here illustrated, is made with the expanding element on either side of the seat. This is the same dia phragm that has been in use in the Continental and Com mercial National Bank, Chicago, since the fall of 1914 and not one of these thirty-three hundred diaphragms has been re moved for any cause whatsover, so that the upkeep cost has been nil, and the performance efficiency one hundred per cent. This record speaks for itself. Monash Thermo Re turn Line Traps Made With By-pass and Clean out Feature. Guaran teed For Ten Years On Pressures Up To 25 Pounds. For Mains, Risers, Drips, Blast Coils and in Industrial Plants. Many Thousands in Use the Past Fifteen Years. No. Sice 40 Vz in. 42 t >n. 44 1 in. Sq. Ft. Radiation 350 1500 5000 Lbs. Water Per Hr. 108 475 1560 Monash No. 6 Four-Way-Drain Adjustable Lock-Shield, Self- Cleaning Automatic Steam Air Valve lhas given excellent results for more than twenty years. Guaranteed for," ten years in writing. The Four-Way-Drain clears the valve of "all. sendinient and water o.f condensation by capillary attraction .'preventing flooding of floors and other damage. How to Specify-- "To..each radiator attach a Monash No. 6 Four-Way-Drain, Lockshield, Self-Cleaning, Automatic Air Valve, guaranteed in writing, for ten years, and on Mains and Risers, use Monash Thermo No. 27 Quick Venting Valve." Monash Non-Adjustable No. 1 Automatic Air Valve with removable syphon, permitting the valve to be cleaned and the syphon replaced. Sensitive and quick in action, made of heavy metal with base and nipple cast in one piece and the body of the heavy shell screwed into the base. Guaranteed in the hands of the users for five years. 318. Specialties O-E Specialty Mfg. Co. 880 Third Street Milwaukee, Wis. Packless Graduated Valves, Ball-Check Return Elbows, Thermo-Nickel Return Traps, Air Exhausters, Vacuum Valves, Vacuum Pressure Gages, Differential Return Traps. The ."O-E" Im The operation of the "O-E" Perfect Vapor Vacuum-Pressure 5ystem is very simple: vapor generated at boiler passes up through main supply pipe and is ad mitted to radiator at top through the "O-E". Packless Graduated Valve. Water of condensation is returned. to boiler through a 14-inch "O-E" Elbow. In passing through- the proved Perfect Packless' - Gradu ated .Valve is abso lutely packiess and": never ' requires packing. -If i.sdCf.t(-d by air and water .test' before shipment. It is quick open ing, fittle more than one-half .turn fully opens or closes it. Elbow the water is first trapped ' by means of a wall .'or dia phragm cast in the ' Elbow, outside of the radiator, making a water seal which holds the vapor in radiator and prevents it from short cir cuiting into the return main. Should the Supply Valve of radiator be closed Sand blasted and nickel plated. The handle being made .of hard rubber, will not crack and is always cool and easy to operate. The gradu ated dial and pointer admit of partial opening so that just the amount of heat desired can be ob tained. All valves are fitted with composition and condensation form a vacuum any discs on a swivel seat without extra charge. water that might be in the return pipes Graduation Supply Disc will be attached when is prevented from returning to radiator specified, at slight additional cost. by the "O-E" Patent Elbow, which is equipped with a small brass ball oper ating on a smooth guide or track, and so - Standard Sizes V,"............................. List, Each $4,25 U".............:............... " " 5.00 arranged that when a vacuum takes place in radiator ball will immediately roll i "....:................... " " 6.00 154" " " 7.50 against port and close it.. Elbow is ' noiseless in operation, as water seal is below ball, which is an important feature. As soon as Supply Valve is again opened ball rolls off of seat allowing condensa- . tion and air to pass easily and freely into return main. An air vent is tapped in the slot of the screw stop in the return elbow Which not only allows air to es cape freely into return system when Supply Valve is open, but also equalizes the pressure on both sides of Water Seal, thus preventing it from syphoning out, which it might otherwise do. All air and condensation pass through main return pipe in basement to a point above boiler where air is separated from- water by means of ."O-E" Patent Air Exhauster. The "O-E** Improved Air Exhauster and Vacuum Valve is simple and very senBseitinivge,coonpneercatteindgatasa fhoigllohwpso: int above where the return main enters boiler, all air in the system seeks outlet at the Air Exhauster, which is open when there is any air in the system, and as soon as all air is exhausted and heat coroes in contact with the Carbon Post in Ex. hauster, same expands and forces the Special Bronze Bali against the seat, closing the p,ort. When closed'system will cool slightly causing a vacuum which will bold ball oh seat. As ' soon as vacuum is lost bail wiil roll away from seat and permit air to escape freely and quickly. The Improved cap locks the expan* sion post after it is properly adjusted and also holds post in. a rigid horizontal position*- All Exhausters are set for ordinary use, but can be adjusted to suit any particular system to which they are attached. All Exhausters are threaded for--1-incb I. P. both inlet and outlet. ' Made in one size only, 1 inch, each $10.00. The "O-E" Perfect Ball - Check Water Seal Union Elbow with Adjustable Air Capacity 2500 square feet. We also announce the Thermo-Nickel Return Trap, a combination thermo* static trap with a ball-check and many * At, descriptive