Greenheck Fan EM-30 Series dimensions Performance Data, Specifications

Page 2

Performance Data

Performance data results from testing a 36 in. x 36 in.

(914mm x 914mm) damper in accordance with AMCA Standard 500-D using Figure 5.3 and Figure 5.5. All data has been corrected to represent standard air at 0.075 lb/ft3

(1.201 kg/m3).

 

Operational Data

ÆP in. wg

Velocity

 

(Pa)

fpm (m/s)

 

 

 

 

 

 

 

 

 

Without Weight

Blades Start to Open

0.03 (7.5)

10 (.05)

 

 

 

 

Figure 5.3

Blades Fully Open

0.25 (62)

2500 (12.7)

 

 

 

 

 

With Weights

Blades Start to Open

0.01 (2.5)

10 (.05)

 

 

 

 

 

 

Blades Fully Open

0.055 (13.7)

1200 (6.1)

 

 

 

 

 

 

 

 

Without Weights

Blades Start to Open

0.025 (6.2)

10 (.05)

 

 

 

 

Figure 5.5

Blades Fully Open

0.32 (8)

1200 (6.1)

 

 

 

 

 

With Weights

Blades Start to Open

0.012 (3)

10 (.05)

 

 

 

 

 

 

Blades Fully Open

0.08 (20)

700 (3.6)

 

 

 

 

 

 

 

Leakage testing was conducted in accordance with AMCA Standard 500D 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).

Leakage

36 in. x 36 in. Damper

8.5

8

7

6

5

4

3

Difference

2

 

t

 

 

Wit

 

 

 

 

s

 

 

 

 

 

al

 

 

l

 

Se

 

 

 

h

 

 

ea

s

 

 

S

 

Pressure

 

hou

 

 

 

1.0

Wit

 

 

 

 

.9

 

 

 

 

 

 

 

 

 

.8

 

 

 

 

Static

.7

 

 

 

 

.6

 

 

 

 

 

.5

 

 

 

 

 

.4

 

 

 

 

 

.3

 

 

 

 

 

.2

 

 

 

 

12 3 4 5 6 7 8 920 30 40 50 60 70 80 90100 150

EM-30

Pressure Drop

 

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

* With Counterbalance

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

Weights

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

wg)

.5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(In.

.3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Loss

.2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.5

 

 

 

 

 

 

 

 

 

Pressure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

.10

 

 

 

 

 

 

 

.3

 

 

 

 

 

 

 

 

 

.09

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

.08

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.07

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.06

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.05

 

 

 

 

 

 

 

5*

 

 

 

*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.04

 

 

 

 

 

 

 

.

 

 

.3

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

5

 

 

 

 

 

 

 

.03

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.02

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

4

5

6

7 8 9 10

2

3

4

5

6 7 8 9 10

2

3

4

5

6 7 8 9 10

 

 

 

 

x 10

 

 

 

 

 

x 100

 

 

 

x 1000

 

Velocity (fpm)

Pressure Limitations

 

10

10.0 in. w.g.

 

 

 

 

8

 

8.0 in. w.g.

 

 

 

 

 

 

 

 

 

w.g.)

6

 

6.0 in. w.g.

 

 

(in.

 

 

 

 

 

 

 

 

 

 

 

Pressure

4

 

 

4.0 in. w.g.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

0 0

12

24

36

48

 

 

 

Damper Width (in.)

 

 

Velocity Limitations

10

Specifications

Air Leakage in CFM/Sq. Ft.

74

2500 fpm

60

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: heavy gauge 6063T5 extruded aluminum channel frame (0.125 in. [3.2mm] thick) with

31Ú8 in. (79mm) depth; blades from 0.070 in. (1.8mm) 6063T5 extruded aluminum; 3/4 in. (19mm) dia. metallic axles turning in acetal bearings; damper shall be equipped with extruded vinyl blade seals; and internal 1/8 in. (3mm) plated steel blade-to- blade 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 10 in. wg (2491 Pa), velocities to 3500 fpm (18m/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 EM-30.

Height (in.)

 

 

3000 fpm

 

 

 

 

 

 

 

 

 

Damper

36

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3500 fpm

 

 

 

 

0 0

12

 

 

36

48

 

24

 

 

 

 

Damper Width (in.)

 

Copyright © 2008 Greenheck Fan Corporation EM-30 Rev 4 Aug 2008

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Contents Application and Design Options and AccessoriesExtruded Backdraft Damper Standard ConstructionEM-30 SpecificationsPerformance Data

EM-30 Series specifications

The Greenheck Fan EM-30 Series represents a culmination of innovative engineering and superior performance in air management systems. This series is designed to meet the demands of commercial and industrial applications, ensuring efficient ventilation while adhering to stringent energy efficiency standards.

One of the hallmark features of the EM-30 Series is its robust construction. Each unit is built with high-quality materials that enhance durability and resistance to environmental factors such as moisture and extreme temperatures. This ensures longevity and consistent performance over time, making it a reliable choice for various settings, including manufacturing plants, restaurants, and warehouses.

The EM-30 Series comes equipped with advanced fan technology, including the efficient backward-inclined fan blades. This design minimizes energy consumption while providing a high airflow rate, making it ideal for scenarios that require effective air movement without excessive energy expenditure. The fan is also designed to operate quietly, which is especially beneficial in environments where noise reduction is a priority.

In addition to its fan design, the EM-30 Series incorporates a direct drive motor that enhances performance while reducing maintenance needs. The absence of belts and pulleys eliminates common wear and tear issues, thus extending the operational lifespan of the system. This direct drive configuration also contributes to reduced energy costs, aligning with the growing demand for sustainability in energy consumption.

The EM-30 Series is designed with versatility in mind. It offers a range of configurations and options, allowing users to customize the unit to fit their specific airflow and pressure requirements. Whether it’s a standard model or a specialized version with additional features such as variable speed controls, the EM-30 can be tailored to meet diverse application needs.

Another standout characteristic of the EM-30 Series is its ease of installation and serviceability. The thoughtful design allows for straightforward mounting and minimal operational disruption during maintenance. This user-friendly approach minimizes downtime and ensures that facilities can maintain optimal airflow conditions without extensive delays.

Moreover, the EM-30 Series is built to comply with various energy efficiency and environmental regulations, making it an excellent choice for organizations looking to enhance their sustainable practices. Features like integrated energy recovery ventilators and smart controls allow buildings to optimize air quality while reducing energy usage.

In summary, the Greenheck Fan EM-30 Series showcases a blend of durability, efficiency, and versatility. Its advanced technologies, such as the backward-inclined fan design and direct drive motor, contribute to its reputation as a leading choice for effective ventilation solutions. Its user-friendly design guarantees ease of installation and maintenance, promoting long-term operational effectiveness across diverse settings. The EM-30 Series stands as a testament to Greenheck's commitment to innovation in air management technology.
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