Greenheck Fan SSSMDR-502 specifications Smoke Dampers

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SMDR-502

Smoke Dampers

Application

Model SMDR-502 is a round smoke damper with extremely low leakage. The SMDR-502 has been qualified to 3,000 fpm (15.2 m/s) and 4 in. wg (1.0 kPa) for operational closure in emergency smoke control situations, for use in HVAC system applications.

Ratings

Leakage: Class II

Pressure: 4 in. wg (1.0 kPa) - differential pressure Maximum Velocity: 3000 fpm (15.2 m/s)

Temperature: 350°F (177ºC) depending on the actuator.

UL 555S Leakage Class II

Model SMDR-502 meets the requirements for smoke dampers established by:

National Fire Protection Association

NFPA Standards 92A, 92B, 101 & 105

IBC International Building Codes New York City (MEA listing #260-91-M)

California State Fire Marshall Listing #: 2330-0981:104

Standard Construction

Frame/sleeve:

20 ga. (1mm) galvanized steel round frame

Blade:

Double skin galvanized steel (14 ga. [2mm]

 

equivalent) round style blade

Seal:

Silicone rubber.

Axle:

12 in. (13mm) dia. plated steel.

Bearing:

Stainless steel sleeve type

“UL CLASSIFIED (see complete marking on product)”

“UL CLASSIFIED to Canadian safety standards (see complete marking on product)”

Standard 555S (Listing #R13317)

Size Limitations:

Minimum Size: 6 in. diameter (152mm)

Maximum Size: 24 in. diameter (610mm)

Optional Features:

Electric or pneumatic actuators to accomplish smoke management and system functions.

Open/Close Indicator (OCI) for remote indication of blade position.

14 ga. (2mm) or 16 ga. (1.5mm) frame/sleeve

Specifications

True Round Smoke Dampers meeting the following specifications shall be furnished and installed where shown on plans and/or as described in schedules. Dampers shall meet the requirements of the latest edition of NFPA 92A, 92B, 101 & 105

Dampers shall be tested, rated and labeled in accordance with the latest edition of UL Standards 555S. Dampers shall be UL labeled for use in dynamic systems. The damper shall have a dynamic closure airflow rating equal to or greater than the airflow at the damper’s installed location and a dynamic closure pressure rating of 4 in. wg (1kPa).

Dampers shall have a UL 555S leakage rating of Class II and a temperature rating of 250º F (121ºC) minimum. Dampers shall have a UL555S operational airflow rating equal to or greater than the airflow at its installed location and an operational pressure rating of 4 in. wg (1 kPa). Damper actuators shall be factory mounted and qualified for use with the damper in accordance with UL555S.

D*

* D dimension furnished approximately 18 in. (3mm) undersize.

Installation instructions available at www.greenheck.com.

Damper actuators shall be (specified select one of the following) electric type for 120 (or 24) volt operation or pneumatic type for 25 psi minimum operation (30 psi maximum). Manufacturer’s submittal data shall indicate actuator space requirements around the damper.

All UL555S operational ratings and leakage ratings shall be qualified for airflow and pressure in either direction through the damper. UL ratings shall allow for mounting damper vertically or horizontally.

The Damper Manufacturer’s submittal data shall certify all air performance pressure drop data is licensed in accordance with the AMCA certified ratings program for test figures 5.2, 5.3, and 5.5. Damper air performance data shall be developed in accordance with the latest edition of AMCA Standard

500-D.

Basis of design is Greenheck’s model SMDR-502.

Copyright © 2008 Greenheck Fan Corporation SMDR-502 Rev. 5 June 2008

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Contents Smoke Dampers SMDR-502

SSSMDR-502 specifications

The Greenheck Fan SSSMDR-502 is a key player in the realm of industrial ventilation solutions, known for its efficiency and reliability. This model is designed to cater to a variety of applications, from commercial kitchens to manufacturing plants, where air management is crucial for safety and comfort.

One of the standout features of the SSSMDR-502 is its energy efficiency. It is equipped with state-of-the-art motor technology that optimizes power consumption while maintaining high airflow rates. This not only reduces operational costs but also supports sustainability efforts by lowering energy demand and emissions.

The SSSMDR-502 boasts a robust construction, designed to withstand the rigors of industrial environments. Its durable materials and components ensure a long service life, minimizing the need for frequent replacements. This reliability is further enhanced by rigorous testing conducted during the manufacturing process, which ensures that each unit meets stringent quality standards.

Another notable characteristic of the SSSMDR-502 is its adaptability. The fan can be configured to suit specific airflow requirements, making it a versatile choice for different applications. Additionally, its compact design allows for easy installation in tight spaces, providing flexibility in system design and layout.

In terms of technology, the SSSMDR-502 incorporates advanced sound attenuation features. These technologies minimize operational noise, creating a more pleasant work environment without compromising performance. The fan's aerodynamic design also plays a role in reducing turbulence and enhancing overall efficiency.

Maintenance is made easy with the SSSMDR-502, as it features accessible components for service and inspections. Its design encourages regular upkeep, which is essential for sustaining optimal performance over time. Greenheck’s commitment to customer support further ensures that users have access to resources and assistance, promoting the longevity of the fan.

In summary, the Greenheck Fan SSSMDR-502 stands out for its energy efficiency, robust construction, adaptability, and advanced technology. These features combined make it a reliable choice for industries requiring effective air management solutions. Whether for ventilation in a commercial kitchen or industrial application, the SSSMDR-502 provides an excellent balance of performance and durability, making it a valuable asset in any facility.