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1947-48 Theatre Catalog, 6th Edition, Page 434 (420)

1947-48 Theatre Catalog, 6th Edition
1947-48 Theatre Catalog
1947-48 Theatre Catalog, 6th Edition, Page 434
Page 434


1947-48 Theatre Catalog, 6th Edition, Page 434

National Comfort Cooling Equipment



FAN-CLASS I THEATRE AIR WASHER-SPRAY PUMP AND MOTOR COMBINATIONS

FAN DATA AIR WASHER DATA l SPRAY SYSTEM AND PUMP DATA l



am IIII< 3?

u Q on



For Lowerln: the Dry Bulb Tempern- For Lowering the Dry Bulb Ton".ture of the Entering Air 70% of an (t) Wet Bulb Depression.

vmwmw SI:

tnre of the Entering Air 60% of the

Motor (t) We! Bulb Dem-union.







M:

C.F.M. O-V. RPM BHP

Sq. Ft.

HP RPM Clan-I Nozzle & r. x



.75

N o e o

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H mm mm Innm mm mm Inn-n mm m 3.2% man an m A1251: mun nun m mun "In M" mnnmnm mum immmmmn

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From P. 2--Bulletin A23029. Supplement to P. Hie-Bulletin A22029.

(1') Wet Bulb Depressioneis the difference in degrees (F.)

C.F.M.*Cubic feet of air per minute. between the dry bulb temperature and the wet bulb tempera O.V.e0utlet velocity at fan discharge in feet per minute. , . . , . , * P R . t I , , h f t I ture of the am In most localities, it Is deSIrable to select ( ) RT 1':. 9515 ance pressule m mc es. 0 wa er gauge' ( n- the pump and motor for lowerlng the dry bulb temperature cludes 4 Inch water gauge over reqmrements for overcom- of the entering ail. 60% of the wet bulb depressionY to promg duet and other YeSIStance-) vide the most comfortable conditions in the theatre without

over-humidification.

R.P.M.#Revolutions per minute. I In cllmates such as encountered at Denver. Colorado, where

B.H.P.--Brake horsepower. . . . . . . , the hum1d1ty IS ordinarily low, the pump and motor can be

G.P.M.-Gallons of water per minute-- advantageoust selected for lowering the temperature of the

Head in FeetaPressure against which pump operates when enterng air 70% of the wet bulb depression.

handling the required capacity of water. Write for Forms 1129-22-23-24 for Complete Details.



"A110 N A l' A UNIT OF NATIONAL STANDARD THEATRE EQUIPMENT

THEATRE SUPPLY

Divilinn .0 Nation-l 0 Simple: 0 Iludworlh.ln<.

THEATRE CATALOG 1947-48

Tn (urilimlv inquiry It: (111' above, plmxxt' "Mn/ion [/10 volume and page "um/um
1947-48 Theatre Catalog, 6th Edition, Page 434