News
02/17/2020
NEW EFD-635 Drainable Blade Louver Outperforms the Competition!
The EFD-635 drainable blade louver is designed to prevent.water penetration in non-wind-driven rain applications by collecting water in frame and blade gutters and channeling it into downspouts and away from airflow paths. The EFD-635 is available in a wide array of anodized and painted finishes including custom color matching.
High Free Area of 60.7%
1250 FPM @ Beginning Point of Water Penetration
AMCA Certified for Water Penetration and Air Performance
View EFD-635 Catalog Sheet02/06/2020
Pottorff's Recent Case Study
The 1.5 billion dollar Seminole Hard Rock Hotel and Casino resembles an authentic guitar and features 600 suites as well as a 41,000 sq. ft. spa, lagoon pool, lake, shops and restaurants. Pottorff supplied our ECD-545-WD and ECV-645-MD severe duty louvers for this project.
See the Super Bowl Sunday video featuring this project.
01/09/2020
Pottorff's LIST Tool Redesign Showcased in the January ASHRAE Journal
Our popular LIST Louver Information and Selection Tool was recently redesigned with more search parameters and a fully responsive design. There is no need to register to use this valuable online program and you can export your schedule directly into our SPECs pricing program.
01/05/2020
NEW EFD-445-PH Drainable Blade Penthouse
Pottorff's new EFD-445-PH expands our penthouse line with a model that will help resist non-wind-driven rain. It is ideally suited for use in intake and exhaust applications and serves as a gravity ventilator, fan discharge cap, fresh air intake cap, sight shield or pressure relief ventilator.
Free Area: 8.1 ft2
Free Area Velocity: 1026 fpm
Pressure Loss: 0.16 in.wg.
View EFD-445-PH Catalog Page11/23/2019
NEW Slot Diffuser Mounted Controller for our Remote Manual Balancing Dampers
The Slot Diffuser Mounted Controller allows for easy mounting of the RCS-10 and RCS-10R, reducing the labor needed to install these dampers when used with slot diffuser applications. Can be easily adjusted using a 7/32” socket or the optional RCS-15R adjustment tool.
The Preferred Solution
Send Us a Message
© Copyright 2025 Pottorff