Manual
9
Product Service 1-800-522-7658
Chapter 2: Prerequisites
Total Exhaust at 18" Sash Opening
60% open
Catalog
Number
Standard Model Description
Face
Velocity
Exhaust
Volume
Static
Pressure
Loss
69704-00 48" Hood without fixtures & duplexes 60 fpm 340 CFM 0.09" H
2
O
80 fpm 460 CFM 0.16" H
2
O
100 fpm 570 CFM 0.24" H
2
O
69704-01 48" Hood with 4 fixtures & 2 duplexes 60 fpm 340 CFM 0.09" H
2
O
80 fpm 460 CFM 0.16" H
2
O
100 fpm 570 CFM 0.24" H
2
O
69705-00 60" Hood without fixtures & duplexes 60 fpm 440 CFM 0.14" H
2
O
80 fpm 590 CFM 0.26"H
2
O
100 fpm 730 CFM 0.39" H
2
O
69705-01 60" Hood with 4 fixtures & 2 duplexes 60 fpm 440 CFM 0.14" H
2
O
80 fpm 590 CFM 0.26"H
2
O
100 fpm 730 CFM 0.39" H
2
O
69706-00 72" Hood without fixtures & duplexes 60 fpm 540 CFM 0.19" H
2
O
80 fpm 710 CFM 0.33" H
2
O
100 fpm 890 CFM 0.51" H
2
O
69706-01 72" Hood with 4 fixtures & 2 duplexes 60 fpm 540 CFM 0.19" H
2
O
80 fpm 710 CFM 0.33" H
2
O
100 fpm 890 CFM 0.51" H
2
O
Total Exhaust at 50% Open Sash
Horizontally or Vertically
Catalog
Number
Reduced Air Volume Model Description
Face
Velocity
Exhaust
Volume
Static
Pressure
Loss
69714-00 48" Single Sash Hood without monitor, fixtures & duplexes 60 fpm 280 CFM 0.06" H
2
O
80 fpm 380 CFM 0.11"H
2
O
100 fpm 470 CFM 0.16" H
2
O
69714-01
48" Single Sash Hood with digital airflow monitor, 4 fixtures & 2
duplexes
60 fpm 280 CFM 0.06" H
2
O
80 fpm 380 CFM 0.11"H
2
O
100 fpm 470 CFM 0.16" H
2
O
69715-00 60" A-Style Sash Hood without monitor, fixtures & duplexes 60 fpm 330 CFM 0.08" H
2
O
80 fpm 440 CFM 0.14" H
2
O
100 fpm 550 CFM 0.22" H
2
O
69715-01
60" A-Style Sash Hood with digital airflow monitor, 4 fixtures & 2
duplexes
60 fpm 330 CFM 0.08" H
2
O
80 fpm 440 CFM 0.14" H
2
O
100 fpm 550 CFM 0.22" H
2
O
69716-00 72" A-Style Sash Hood without monitor, fixtures & duplexes 60 fpm 410 CFM 0.11" H
2
O
80 fpm 550 CFM 0.20" H
2
O
100 fpm 680 CFM 0.30" H
2
O
69716-01
72" A-Style Sash Hood with digital airflow monitor, 4 fixtures & 2
duplexes
60 fpm 410 CFM 0.11" H
2
O
80 fpm 550 CFM 0.20" H
2
O
100 fpm 680 CFM 0.30" H
2
O
Proper blower selection can be determined from these
exhaust requirements and the total system static
pressure loss. Consult Labconco Sales Engineering
Team if you need help sizing a blower.