POTTORFF IS:
Innovation, quality, performance and service are what differentiate Pottorff’s products among the competition. Founded in 1928, we are one of the most respected suppliers in the industry today. It is our experience, versatility, and ability to react quickly to our customer’s needs which makes us the choice for architects and engineers.
HOW WE ARE DIFFERENT FROM THE COMPETITION: ■ Ongoing commitment to personal and technical service
■ Products delivered on time and on budget ■ Louver Information and Selection Tool ■ Quick ship - when you need it FAST!
PRODUCT SELECTION GUIDE
AIR VOLUME (cfm)
BLADE ANGLE
BLADE STYLE
FREE AREA
AMCA CERT*
VELOCITY (fpm)
MODEL
DEPTH
PG
NON-DRAINABLE LOUVERS EEI-430 DRAINABLE HEAD EFE-430-HP DRAINABLE HEAD EFJ-145 EFJ-245 EFJ-430 EFJ-437 EFJ-445 EFJ-637-HP DRAINABLE HEAD
4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 5 5 5
– –
– –
4" 4" 1" 2" 4" 4" 4" 6" 6" 4" 4" 4" 6" 2" 4" 4" 6" 2" 4" 4" 4" 6" 6" 6" 6" 5" 3" 5" 6" 5" 6" 6" 9" 6" 2" 3" 4" 5" 6" 5" 9" 5" 5" 2" 4" 5" 6" 7" 4"
30° 30° 45° 45° 30° 37.5° 45° 37.5° 45° 30° 37.5° 45° 37.5°
INTAKE – EXHAUST EXHAUST J-BLADE J-BLADE J-BLADE J-BLADE J-BLADE HIGH-PERFORMANCE J
– 64.5% 51.9% 45.8% 59.6% 55.5% 50.1% 56.3% 50.6% 59.6% 55.5% 50.1% 54.7% 56.0% 34.8% 50.4% 57.7% 46.1% 58.1% 58.1% 50.4% 60.7% 57.5% 54.6% 50.6% 41.9% 46.9% 54.8% 52.6% 50.2% 60.9% – 53.9% 48.1% 41.5% 46.9% 42.9% 54.8% 52.6% 50.2% 53.9% 46.2% 52.5% 41.3% 42.7% 46.3% 50.3% 50.6% 55.3%
– – – – –
349 942 1,002
2,869 6,911 9,619 6,853 6,317 8,226 8,101 9,619 6,853 6,317 8,916 3,351 4,649
772 781 915
WP/AP WP/AP
– – –
EFJ-645 EFK-430 EFK-437 EFK-445 EFK-637 EFY-245 EFY-445
1,000 1,002 772 781 1,019
J-BLADE K-BLADE K-BLADE K-BLADE K-BLADE
WP/AP WP/AP
– – –
339 834
45° 45°
INVERTED Y INVERTED Y
DRAINABLE LOUVERS EDD-445 EDD-637 EFD-245 EFD-435 EFD-437 EFD-445 EFD-635 EFD-637 EFD-645 ERD-645
WP/AP WP/AP WP/AP WP/AP WP/AP WP/AP WP/AP WP/AP WP/AP –
45° 37.5° 45° 35° 37.5° 45° 35° 37.5°
DUAL-DRAINABLE DUAL-DRAINABLE
1,026 1,113
8,311 10,242
DRAINABLE DRAINABLE DRAINABLE DRAINABLE DRAINABLE DRAINABLE DRAINABLE RECESSED – DRAINABLE
868 966 903
6,404 8,984 8,398 8,311
1,250 1,250 1,250 1,250 1,250 1,250 1,250 1,087 690 1,006 1,250 1,250 1,250 1,218 1,029 1,250 1,250 1,250 1,250 1,250 1,250 – 1,250 1,076 1,026 1,250 1,113 1,009 990
12,138 10,242
45° 45°
8,811 8,059
MIAMI-DADE — HURRICANE RATED LOUVERS ECD-545-MD ECV-345-MD ECV-545-MD ECV-645-MD EDV-545-MD EFD-635-MD EFD-635-MD-PH PENTHOUSE
6 6 6 6 6 6 6 15
8,388 9,375
WP/AP/W WP/AP/W WP/AP/W WP/AP/W WP/AP/W WP/AP WP/AP/W WP/AP/W WP/AP/W WP/AP/W WP/AP/W WP/AP – WP/AP/W WP/AP WP/AP WP/AP/W AP/W WP/AP/W WP/AP/W WP/AP/W WP/AP/W
45° 45° 45° 45° 45° 35° 35° 37° 37.5°– 45°
CHEVRON VERTICAL CHEVRON VERTICAL CHEVRON VERTICAL CHEVRON DUAL-BLADE
6,649 8,538 9,250 10,050 10,963 10,525 10,038 12,175 – 10,775 8,281
DRAINABLE DRAINABLE DUAL-BLADE COMBINATION
EFJ-937-MD EXA-645-MD
7 7 7 7 7 7 7 6 6 8 8 8 8 8 8 8 8 8 8
VERTICAL CHEVRON VERTICAL CHEVRON VERTICAL CHEVRON VERTICAL CHEVRON VERTICAL CHEVRON SEVERE-DUTY/WIND-DRIVEN RAIN LOUVERS — VERTICAL BLADE ECV-245 ECV-345 ECV-445 ECV-545 ECV-645 EDV-545 EFJ-937 SEVERE-DUTY/WIND-DRIVEN RAIN LOUVERS — HORIZONTAL BLADE ECD-245 ECD-445 ECD-545 ECD-635 ECD-745 EFD-437-FL DUAL-BLADE DUAL-BLADE 45° 45° 45° 35° 45° 37.5° CHEVRON CHEVRON CHEVRON CHEVRON CHEVRON DRAINABLE
9,866 9,105
45° 45° 45° 45° 45° 45° 37° 45° 45°
8,299 9,375 8,575
10,963 10,525 10,038 10,755
EPV-545 3/8" PERF FACE PLATE EPV-545 1 " PERF FACE PLATE
– –
8,044 5,795
VERTICAL CHEVRON VERTICAL CHEVRON
*AMCA CERT LEGEND:
WP
AL Air Leakage
AP Air Performance
S
W
Wind-Driven Sand WS
Sound
Wind-Driven Rain
Water Penetration
Abbreviations used throughout the brochure
1
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