Johnson Controls
5586996-JSG-A-0120 | Start-Up & Operation Guide
12
Table 1: Component Static Pressure Drops (iwg) (Continued)
Component
SCFM
5,000 6,000 8,000 10,000 12,000 14,000 16,000 18,000 20,000
Outside Air
25–30T
Hood and Dampers - Low Leak 0.19 0.22 0.26 0.30 0.33 - - - -
Hood and Dampers - Ultra Low Leak 0.20 0.23 0.28 0.33 0.38 - - - -
40–50T
Hood and Dampers - Low Leak - - 0.19 0.22 0.25 0.28 0.30 0.32 0.34
Hood and Dampers - Ultra Low Leak - - 0.22 0.26 0.30 0.34 0.38 0.42 0.46
ERW - Low CFM
25–30 Ton 1.14 1.38 1.89 2.44 3.01 - - - -
40–50 Ton - - 0.89 1.13 1.37 1.63 1.89 2.15 2.43
ERW - High CFM
25–30 Ton 1.09 1.31 1.77 2.24 2.73 - - - -
40–50 Ton - - 0.89 1.11 1.34 1.57 1.80 2.04 2.29
Draw-Thru Filters
25–30 Ton
Angled Filter Rack - 2-inch
Throwaway Filters
0.04 0.05 0.09 0.11 0.13 - - - -
Angled Filter Rack - 2-inch MERV 8
Filters
0.05 0.06 0.08 0.11 0.14 - - - -
Rigid Filter Rack - MERV 15 Bag
Filters with 2-inch MERV 8 Pre-Filters
0.40 0.44 0.57 0.69 0.81 - - - -
Rigid Filter Rack - MERV 14 Rigid
Filters with 2-inch MERV 8 Pre-Filters
0.19 0.20 0.28 0.35 0.43 - - - -
Vertical Filter Rack - 4-inch MERV 8
Filters
0.03 0.03 0.06 0.09 0.12 - - - -
40–50 Ton
Angled Filter Rack - 2-inch
Throwaway Filters
- - 0.06 0.08 0.09 0.11 0.13 0.15 0.17
Angled Filter Rack - 2-inch MERV 8
Filters
- - 0.06 0.08 0.10 0.12 0.15 0.18 0.21
Rigid Filter Rack - MERV 15 Bag
Filters with 2-inch MERV 8 Pre-Filters
- - 0.43 0.52 0.61 0.70 0.77 0.85 0.91
Rigid Filter Rack - MERV 14 Rigid
Filters with 2-inch MERV 8 Pre-Filters
- - 0.19 0.24 0.30 0.35 0.41 0.47 0.53
Vertical Filter Rack - 4-inch MERV 8
Filters
- - 0.04 0.05 0.07 0.09 0.12 0.15 0.18
Final Filters
25–30T
MERV 14 Rigid Filters with 2-inch
Pre-Filters
0.19 0.20 0.28 0.35 0.43 - - - -
MERV 15 Bag Filters with 2-inch
Pre-Filters
0.40 0.44 0.57 0.69 0.81 - - - -
MERV 17 HEPA Filters with 2-inch
Pre-Filters
0.58 0.63 0.83 1.03 1.23 - - - -
40–50T
MERV 14 Rigid Filters with 2-inch
Pre-Filters
- - 0.19 0.24 0.30 0.35 0.41 0.47 0.53
MERV 15 Bag Filters with 2-inch
Pre-Filters
- - 0.43 0.52 0.61 0.70 0.77 0.85 0.91
MERV 17 HEPA Filters with 2-inch
Pre-Filters
- - 0.67 0.83 0.99 1.15 1.31 1.47 1.63