Document km8qkRaXKoDb0zBdjeq3GQdNV

Equipment pressure when valve i* wide open. Specific -working recommendation* bMow the velvet to be used with tslursted steam at working pressure* op lo 100 pti and lor water pressures up to 125 pil at 200 F. For such conditions the solder joint imut be ma!de with high-melting-point aolder. Crane Co, Chicago, 111. operation. Diaphragm construction seals operating mechanism Irom the fuel gas without interfering with valve operation. Valve closet automatically upon current failure. Opening end closing gas-Iuel supply In response in room tlu'ranutais, limit controls or similar devices, the valve is adaptable to gas-fired boilers, industrial furnace* and conversion burners. Vslvo is available in sires | to 1| in., inclusive. A simple lever-opening device permits set ting the valve In open position if current fails. Same lever may be used to close the valve manually. Upon resumption of eurreni flow, an electric'lrip automatically returns valve to normal. General Centrals Co, 801 Allen Ave, Glendale 1, Calif. Shaft Seal -Twit PS mechanical seal may be stalled on practically any type of jm&i miser or like equipment having a roitiiijfj shaft. No special sleeves are requinjra and the seals can . serve on either notffi or turbine-driven equipment. Seal^fgj easily installed in- conventional itafi&j boxes on new or old equipment, only |\|gj packing apace Is required. It provii dry sealing for propane,' butane and oi] hydrocarbons. No auxiliary lubritilli system Is needed. Durametaflle Com Kalomntnn, Mich. v" Flue Cleaner E296 Pyrometer E294 Reinforced Swedish spring steel blade* have 44 culling edges that shave off flue dust accumulations, claims il manufiicturer. Assembly mounts on an octagonal steel shaft and connects lo any fire-tube cleaning rod. Cocdcrt Flue Shaver Co, 609 Madison Si, Oak Park, III. Simplytiiol Indicating ond controlling pyrometer-operates on the recently de veloped .Micro-Contact principle. MicroContact circuit is Interrupted every few seconds, but closet again immediately if temperature is still up to control point. If temperature hat dropped below control point, the contacts remain open and timedelay lesd-eomrol switch closes. Loadcontrol switch la rated at 10 amp, 12S v. Indicators are calibrated in both Fahren heit and Centigrade, end are available in standard ranges of 0 to 2500 F, end 1370 C; 0 to 1500 F. and 800 C; 0 to 500 F, and 200 C. Pyrometer .operates from regular 110- or 220-v ac,.or llO-v dc circuit, Assembly Products,' Inc, Main A.Dell St, Chagrin Falla, Ohio. Time Switch E297 Magnetic Bat . Valve E295 Hermetically sealed magnetic gas valve, Model K-iH, combines advanced design and operational features to eliminste gummy or foreign matter deposits" form ing in the solenoid and restricting plunger Tms mew time SWITCH may serve in stores to operate window lights and in industry for controlling ovens and other small equip-' menL The twitch is koown as Type 7"-47, rated 35 amp at LIS *nd-230.v. Designed for on and off liming oi a single clreult, the new switch will perform one on and ona off operation during any 24-hr period, and will continue lo do so daily without adjustment. Silver snap-ac tion contacts are fitted In the single-pole, ingle-ihrow mechanism of the switch. .It is equipped with a large 24-hr clock dial easily read and adjusted. Manual opera tion of either on or off is possible inde pendently o! automatic setting already placed on the dial Switching cycle is re sumed automatically after hand operation is completed. General Electric Co, Schenectady 3, N. Y, Flexible-hose soldered coovlincj s servleo where temperatures do not 300 F. Coupling* ore available sembled on hose in factory or can chased separately and assembled on th^SSI Coupling fa a 2-pJeee male typa {ftly!3L a 'male body and loose collar. Cell** signed so that when the hoso is <u!.. M] the braid tight, to prevent unrai`"fevgj lipping, thus producing a hose end ready for soldering. When said? body coupling, It becomes one {Continued on page 134} Use convenient reply cards on paga 178o to secure additional Information on these new equipment items. Phs* J sura to identify year request with tho now-equipment key letter, t, and number, as shown on the'Item* 112 (566) POWER * Seple^j Thousands of plants, Urge and small, high pressures and low, know {hei eeccconomy and security of the complete Nafco Syit^m of Water Treatment. From raw water intake through condensate disposal, Nalco-protecced equipment and piping stays on tho job . . . scale- and corrosion-ire^permanently. Successful water treatment is seldom, if ever, a onecall job. Nalco Service does not stoj^with a survey and recommendations ... As long as you have the Nalco System --and many plants have h^tlit 20 years or more! --you get the full benefits ot {he scientific and engineering skill that make Nalco ttfc. permanently successful system of water treatment. Write today for details on the Nalco Service that fits your plant requirements. NATIONAL ALUM1NATE CORPORATION 6222 West 66th Place Chicago 28, nllnots Canadian inquhitt should hi addressed to Alchem, Limited, JJS Eattrra Avenue, Toronto, Ontario Serving Industry through 1-raeUcnl Applied Science