Selection Chart - Johnson Controls - LIT-1900529 - Control Damper - RL-1000 Round Control Damper

RL-1000 10-Gauge Round Control Damper Catalog Page
Product
Dampers > Control Dampers > RL-1000 Round Control Damper
Document type
Catalog Page
Document number
LIT-1900529
Revision date
2021-03-10
Table 1. Selection Chart
Specification Code Number Field
Product Family R = Round Dampers

R
Application G = Control – 10 gauge shroud

G
Shroud/Seal B = Galvanized/No Seals

N = Galvanized/Neoprene Seals

G = Galvanized/Silicone Seals

S = 304 Stainless Steel/Silicone Seals

  
Diameter 04 in. through 60 in. in increments of 1 in.

dd
Actuator M = Manual Locking Quadrant

N = None

  
Table 2. Damper Leakage
Damper Width Maximum System Pressure,in. w.g. (kPa) Maximum System Velocity, fpm (mps) Leakage with Seals Leakage without Seals
% of Maximum Flow Total cfm (lps) % of Maximum Flow Total cfm (lps)
60 in.

(1,524 mm)

 6.0 (1.5) 4,000 (20.3) 0.057 45 (21.2) 0.286 225 (106)
48 in.

(1,219 mm)

 6.0 (1.5) 4,000 (20.3) 0.069 35 (16.5) 0.2348 175 (82.6)
36 in.

(914 mm)

 8.0 (2.0) 5,000 (25.4) 0.079 28 (13.2) 0.353 125 (59)
24 in.

(610 mm)

 8.0 (2.0) 6,000 (30.5) 0.132 25 (11.8) 0.450 85 (40.1)
12 in.

(305 mm)

 10.0 (2.48) 6,000 (30.5) 0.318 15 (7.08) 1.060 50 (23.6)
Note: Leakage information based on pressure differential of 1 inch w.g. (0.25 kPa).
Table 3. Leakage Correction Factor
Static Pressure, in. w.g. (kPa) Correction Factor
1 (0.25) 1.0
2 (0.50) 1.4
3 (0.75) 1.7
4 (1.0) 2.0
5 (1.25) 2.2
6 (1.50) 2.4
7 (1.75) 2.6
8 (2.0) 2.8
9 (2.25) 3.0
10 (2.50) 3.2
Figure 1. Pressure Drop

Note: Performance curves (see Pressure Drop) based on AMCA Standard 500 using test setup apparatus figure 5.3 (damper installed with duct upstream and downstream). Static pressure and CFM are corrected to .075 lb/cu ft air density.