Greenheck Fan ES-40 Series Performance Data, Leakage, Pressure Drop, Specifications, ÆP in. wg

Performance Data ES-40

Leakage

Leakage testing was conducted in accordance with AMCA Standard 500-D and is expressed as CFM per sq. ft. of damper face area. All data has been corrected to represent standard air at 0.075 lb/ft3 (1.201 kg/m3).

Pressure Drop

Performance data results from testing a 36” x 36” damper in accordance with AMCA Standard 500-D using Figure 5.7A (no duct either side). All data has been corrected to represent standard air at 0.075 lb/ft3 (1.201 kg/m3).

Leakage

36” x 36” Damper

15

10

9

8

7

6

wg)	5
	4
(in.	3
Difference	2
Pressure	1.0
	.9
	.8
	.7
	.6
	.5
Static	.4
	.3
	.2

Pressure Drop

36” x 36” Damper

10

9

8

7

6

5

4

3

2

	1.0
	.9
w.g.)	.8
	.7
	.6
In.	.5
	.4
(
Loss	.3
Pressure	.2
	.09
	.10

.08

.07

.06

.05

.04

.03

.02

1	2	3	4	5	6	7	8 9 10	20	30	40	50	60 7080 90100	150
														2	3	4	5	6 7 8 910	2	3	4	5	6 7 8 910	2	3	4	5	6 7	8 910
													1
																x 10					x 100					x 1000
				Air Leakage in CFM/Sq. Ft.															Velocity (fpm)

Operational Data	ÆP in. wg	Velocity
	(Pa)	fpm (m/s)
Blades Start to Open	0.075 (18.7)	110 (.56)
Blades Fully Open	0.30 (74.7)	1150 (5.8)

Specifications

Backdraft dampers meeting the following specifications shall be furnished and installed where shown on plans and/ or as described in schedules. Dampers shall consist of: 6063T5 extruded aluminum channel frame (0.063 in. [1.6mm] thick) with 2 in. (51mm) depth; blades from 0.050 in. (1.3mm) 6063T5 extruded aluminum; synthetic polycarbonate axle bearings; damper shall be equipped with extruded vinyl blade seals; and internal 1/8 in. (3mm) aluminum linkage. Damper

manufacturer’s printed application and performance data including pressure, velocity and temperature limitations shall be submitted for approval showing damper suitable for pressures to 2.5 in. wg (623 Pa), velocities to 2000 fpm (10.2m/s) and temperatures to 180°F (82ºC). Testing and ratings to be in accordance with AMCA Standard 500-D.

Basis of design is Greenheck model ES-40.

Copyright © 2008 Greenheck Fan Corporation ES-40 Rev 3 Aug 2008