Instruction Manual
D--9--610 Page 1
COLUMN 1 -- BASIC DESIGNATOR
COLUMN 2 -- PRODUCT FAMILY
G. INDUSTRIAL BLOWER
COLUMN 3 -- GEAR DIAMETER
B. 3”-- 30 Series G. 7” -- 70 Series
COLUMN 4 -- CASE LENGTH
30 Series 70 Series
A. 4” 9”
B. 6” 12”
C. 15”
D. 18”
E. 23”
F. 28”
COLUMN 5 -- CONSTRUCTION
A. VER TICAL--TOP HAND--CENTRAL TIMED
B. VERTICAL --BOTTOM HAND--CENTRAL TIMED
C. HORIZONTAL--LEFT HAND--CENTRAL TIMED
D. HORIZONTAL--RIGHT HAND--CENTRAL TIMED
* E. SCHRAMM: VERTICAL--TOP HAND--CENTRAL TIMED
COLUMN 6 -- DESIGN VERSION
B. 30 SERIES
C. 70 SERIES
COLUMN 7 -- ADDITIONAL DESCRIPTION
A. ST ANDARD, NO MODIFICATION
COLUMNS 8 THRU 11 -- MODIFICATION NUMBER *
* NOT INCLUDED IN THIS PUBLICATION, CONSULT FACTOR Y.
DUROFLOW BLOWERS -- 30 & 70 SERIES
MATRIX/MENU
NOTICE TO CUSTOMER -- To find the construction op-
tions for your blower unit, FILL IN THE BALANCE OF LET-
TERS OR NUMBERS FROM YOUR UNIT NAMEPLATE
COLUMN NUMBER:
FOLLOW THE LINE DOWN AND OVER FROM EACH
SPACE THUS FILLED IN TO FIND THE APPROPRIATE
CONSTRUCTION OPTION WITH WHICH YOUR
MACHINE IS EQUIPPED.
GG
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