Document QMbXzNeaobKwm3LdoK3b6oDK8

PLAINTIFF'S EXHIBIT HVM-7 "wtsr m > .-! SCRAPED ,Si sot douMtegiDe-iodns&uo-j itiom Rotating Scraper iefemepts'^oBtinllpuliy^s^eeg^jf^nner^ai pipe surfaces to maintain, a Wgft .cafe; ItheafjMnlferjijJtweeni 1 the .produbt !and: the heat transfer isurfaGes.jOutertsurtace of the .JL -inner pipejtnay ibe codled or !heated by liqyidi:ic|pbr.''or eyaporat-, ,1 fhg tluididRental; iunits: are available forjpilbt operation. , if .1 WASTE HEAT BOILERS, incorporating the combined skills , of our boiler and heat exchanger divisions, offer a wide range of designs for the recovery of heat from gases. They give efficient, low maintenance service in ammonia plants, methanol plants, petroleum refineries, petrochemi*. cai, nitric acid and sulphur plants. HIGH PRESSURE EXCHANGERS. Vogt heat exchanger designs, for services which involve pressures up to 12;000 psi, utilize self-sealinggasketssuch as double cone and delta types as well as the more conventional types. r W- VERTICAL FALLING FILM UREA EVAF are filling a need m the current expa of fertilizer production. Evaporation is accomplished; with minimum contactdime. These units are used primarily as firsy stage evaporators and are designed for vacuum or air-swept operation. Write for Bulletin Address Dept. 24 INRY .VOGT MACHINE CO. P. O. Box 1918, Louisville, Ky. 40201 NTM : Boston Camden. N.J. Charleston, W.Va. Cleveland Dallas Los Angeles New York San Francisco Seattle St. Louis Area Code 502 634-9411 Call thovyegt' Roprosontativo noarost you. His phono numbor Is listed In -ouc flkrlB-tltd Mo'dcialrn--l-c-a--l--E- nginoors--'--C--a-t-a-log and-P-ro-d-uc-t D-lroctory. 16 / JULY 1967 Circle 16 on Reader Service Card MECHANICAL ENGINEERINC