Document 19eLnw222zv2GkymN861m47a

POSITIVE ACCURATE PRESSURE CONTROL snout stuns m vaivis FOR RIGUIATING REDUCING PKISSUKIS Of SJIAM, AIK, GAS. ANO LIQUIDS DfiSiON: Single seated, Balanced. Types: Spring Loaded, Diaphragm Operated; Lever ond Weight Loaded, Diaphragm Op* erated; and Lever Operated. Construc* TiON: Smaller sixes, Bronze bodies with either Bronze, Stainless Steel, or KA2 Metal trim. Larger sizes. Semi-Steel, or Cast Steel Bodies with Bronze, Stainless Steel, KA2 Metal, or Monel Metal trim. Sties: to 4'. Pressures: initial Pressures, 10 to 490 psi. Reduced Pressures % to 100 psi. De sign Advantages: Internal parts, includ ing valve and seat rings, interchangeable, and may be removed without disconnecting valve bodies. Repairs may be made at point of use. Msin valve and pilot valve and seat reground independently. Performance Advantages*. Easy opening, easy closing, non-chattering, leak-proof. Perfect balance regardless of flow rate. Alignment of valve with seating contact maintained without use of wing guides in port areas, eliminat ing excessive erosion. Port areas equal pipe areas, valves accommodating full pipe capacities. High velocities resulting from heavy pressure reductions handled per fectly. Flexibility in range permits constant reduced pressure to be maintained against variable supply pressure. HOW TO SCICCT A VM.VI Seiieiai vlvt of correct lire for re ducing te*m preJiure It mtde simple nutter with the use of two charts given In SiicVte Valve Bulletins. These butlesios elio furnish complete informa tion on the various types of valves Rod supply engineering d#ta. Aik for Bul letin No. 4)5 if you ate interested in Stickle Scries 400 Single Seated Bal anced Valves briefly described above. (( you desire information on Double Seated Semi-btlanced Valve*, in vari ous types, or Pitot Operated Vibes. Beck Pressure Release Valves, and Float VaWei, ask for Stickle Bulletin No. 3)5. STICKLE STEAM SPECIALTIES COMPANY 1265 Valley Avenue, INDIANAPOLIS ID, I N D I A N A furtettMly Serving tar Mere than 40<Von Peper MWi, F0ed` Precetiert, Tamila arid Maitary Allfi, (imlrfai end Other Menvferluiert l/iMy Staam to* Indvilrtel Prevailing STVtRLE SriCKIC 0IFFIKCNTI \ t, -A-PM>--i-OlTTl t I U IN SYSTEMS STICKlt OPEN FLOAT STEAM flAFj STICKLE fCOULATINO ANO EDUCINO VAlVi'of* SUCKLE OFEN COU FEED W*T|* HfATflS AND FUHFie'lS / STICK II Of l AND STEAM JIMIAfO*! STICKLE TCMFIEATUEI CONTItO.Ufli ANO OTHEI JUdAinll 142 (2S4b) tiQoal 10 slip, therefore ior tbtorque for a rolor speed of tip o( too rpm, rote, topp,, u: (200 + SO) 1400 = 9910.,^ external resistance required f,r point would be: MlOwstts- P . + *,,. 9910 - 40> (0.42 + i ` , 9910 -99o + ie?:;:! ,, 9010 -- OOP Arrr "TJgjp---d.Joho, This gives a new point on the i-' torque curve for the same torque ot a different slip or rotor ipeed. like manner, points for other ex resistances may be calculated. The current is proportional to the iot therefore, knowing the rotor ca and torque for one point on the i torque curve, additional points may determined. K I) HolTman, Tena N. J. :K3E iiCOAL PREPARATION at mtm:- < .-vsi*. 1000 TONS per HOUR .* v; O ; Obie.Hevi$r,CtMpariil%': S' | TUiPlanttlBMl&M^ with TWIN AMERICANS" f km.z&zirjZ'iM' Motor Load Too Light Speed of JHP1* aVipring motor UUt definite laws depending on a< of external resistance inserted into rolor circuit end load on the motor, analysis of a typical set of ebsrsete tic curves for this type of graphically reveals' the cause ol trouble. Within the operating range the motor, these curves are eiseailsD straight lines, each representing variation with load for a given ulue{ rotor resistance. It U evident that for high values of rotor resistance, speed variation with tho load is large. j This indicates (hot JNV'i load Is m light that tho speed remains high sad that to reduee the speed .to' the tt; quired point, an excessive amount of external resistance must be inserted is the rotor circuit. In other words, Us load Is overmotored. Speed of this ac tor must never be reduced below 50ft ol synchronous speed nor should It be run without load; otherwise speed ref utation would be ineffective. Total starting resistance to ho U* sorted in each phase of the c/reuft ft. given for the Y-connected circuit by. formula: \ bK -JUi .73L77and for the della circuit: And the Comnlete Crushing fnits0ccupyonlyl2"xl2'/xl2" 10,000 kilowatt output represents converting 1200 tons ii ceel per day Into power . . . Continuous pulvcrlier p! hom bunkers kept at constant level of *A" by / conveyors from tho two 'Typo S No. 60" American Ring k Crushers which reduce the 16" ROM bituminous coat. .Ovett-connected with two'200 HP 220 RPM motors, the Americans employ efficient shredder ring action with : on enusuelly conservative power detnond. ' Tbs uniform product and the dependability of Ameri* corn are considered essentials to the unfailing, high , output of the Ohio Power Co. and other power plants " throughout the world. Americans offer a complete owing plant in one compact unit,--mo auxiliary crush. r*?* or refuse picking operations are required. n-IMAA Where R resistance In ohms; S voltage across the sUprings at slMd^1 (This (s the maximum voJtsg *** could be generated In the rotor by toe. Br -** ----------- Oxi^lttutwu and 'TfCoau^aXunvu TZUty (jfatdex* and power April n<*. p?Wer April 1940 Cm NCln tfccvi AiMrlccm poHaM tfcrNdtf Hog ortlca. Esdt tbrvSStr rtng (* tvMrf m tn arm tXall u4 ntMll<sUt Afleet* lin Imi Iim Send for the facts on efficiency of cool preparotloii In power plants with American Crushers. PULVERIZER COMPANY 1349 Macklind Ate. St. Louis 10* Mo. 141