Greenheck

Overview

• 

  Model HB

  Heavy Duty/Industrial
  A backdraft damper is an isolation damper allowing air in one direction only. Greenheck’s HB damper series is designed to prevent back flow at static pressures and velocities up to 20 in. wg and 6400 fpm, respectively.

  
  
• 

  Models EM/ES/PS/WD

  Exhaust Dampers
  Exhaust backdraft damper models are designed to allow exhaust airflow but prevent airflow in the reverse direction. Typically used with a fan or power roof exhauster. Vertical or horizontal mount.
  
  Intake Dampers
  Intake backdraft damper models are designed to allow supply airflow into a building but prevent airflow in the reverse direction. Typically used with a fan or gravity intake ventilator. Vertical or horizontal mount.

  
  

Catalogs

• Backdraft & Pressure Relief Dampers
• Damper Conveniences & Features
• Dampers for Centrifugal Fans
• Heavy Duty and Industrial Control Dampers - HB, HRP, HCD, HSD, & HTD Series
• Severe Environment Products

Instruction Manuals

• Adjustable Pressure Controller (#468292)
• EM and GM Series (#468391)
• HB Series (#469620 IOM)
• MP-100A (#463548 IOM)
• MP-210 (#463546 IOM)
• MP-220A (#463544 IOM)
• MP-310 (#463547 IOM)
• MP-323 (#463545 IOM)
• PS Series Motor Packs (#457153)
• WD Series - End Switch Kit (#452723)

Submittals

EM Series up to 3500 fpm, 10 in. wg

• EM-10 Series (Exhaust Damper, Horizontal Mount)
• EM-30 Series (Exhaust Damper, Vertical Mount)
• EM-40 Series (Intake Damper, Horizontal Mount)

ES Series up to 2000 fpm, 2.5 in. wg

• ES-10 Series (Exhaust Damper, Horizontal Mount)
• ES-30 Series (Exhaust Damper, Vertical Mount)
• ES-40 Series (Intake Damper, Horizontal Mount)

HB Series - Heavy Duty / Industrial Backdraft up to 6400 fpm, 20 in. wg

• HB-110 (Aluminum, single thickness blade)
• HB-120 (Fabricated, single thickness blade)
• HB-230 (Fabricated, airfoil blade)
• HB-240 (Fabricated, Class III airfoil blade)
• HB-330 (Fabricated, Class III airfoil blade)

PS Series up to 2500 fpm, 2 in. wg

• PS-32 (Exhaust Damper, Vertical Mount, PVC)

Round WDR series up to 2000 fpm, 3 in. wg

• SSWDR-53 (Stainless Steel Round Backdraft)
• WDR-53 (Round Backdraft damper)

Specialty Backdraft Dampers (Fan and Vent Accessories)

• GM-30 Series (For use with Propeller Sidewall Fans)
• WD-323 (For use with Centrifugal Sidewall Exhaust Fans)
• WD-340 (For use with Centrifugal Utility Fans)

Specialty Backdraft Dampers (Vektor Accessories)

• EMV-11(Exhaust Damper, Horizontal Mount, Flange on Discharge)

WD Series up to 2500 fpm, 2 in. wg

• WD-100 Series (Exhaust Damper, Horizontal Mount)
• WD-200 Series (Intake Damper, Vertical / Horizontal Mount)
• WD-300 Series (Exhaust Damper, Vertical Mount)
• WD-400 Series (Intake Damper, Vertical Mount)

Options

• Adjustable Pressure Controller (APC) for EM Series