Improve Indoor Air Quality with Pottorff’s NEW Airflow Measuring Stations.
These Airflow Measuring Stations provide you with precise airflow measuring along with an integrated control damper in one easy-to-install assembly. Each station is supplied with a steel airfoil or aluminum airfoil blade low leakage control damper and modulating 24V actuator to allow building control systems to precisely regulate airflow and improve overall indoor air quality based on real-time airflow measurements.
Pressure Differential: Multi-point, self-averaging probes with VELTRON 2500-plus transmitter
AM-45-PD AM-51-PD
Thermal Dispersion: Fully encapsulated thermistors with heating circuits and ELECTRA-flo G5 transmitter
AM-45-TD AM-51-TD
Latest News
08/09/21
NEW Labor Saving 45-Degree Collar for our CFD-521-BT Ceiling Radiation Damper
The CFD_521-BT employs butterfly style blades for point-of-origin control of radiant heat in HVAC systems. The 45-degree collar installation option makes duct connections much easier in tight spaces where access to the top of the damper is restricted.
07/21/21
Pottorff is the Product Solution for School HVAC Construction and Refit Opportunities
During the Covid-19 pandemic and into the recovery phase, schools are vitally aware of the need to provide energy efficient fresh air intake and exhaust. With the CARES and CRRSA bills, the U.S. government has now approved more than 100 billion to support upgrades to critical school infrastructure such as improvements to HVAC systems and indoor air quality.
Watch Pottorff School Refit Video
07/19/21
Pottorff Releases Four New Labor Saving Ceiling Radiation Damper Installation Videos
Installation is a breeze with these handy animations. Includes installation videos for our CFD-521-90 with 90 degree plenum, CFD-521-BT with insulated outlet box, CFD-521-IP with insulated duct board outlet box and our CFD-521-IP with connection below the ceiling.
07/05/21
DMR Dual-Access Door Now Available with Insulated Construction Option.
Our Model DMR access door employs a fully removable dual-panel-door to provide a convenient and economical means to obtain access to components in round ductwork. The insulated option is ideal for reducing condensation in humid environments.
06/30/21
Pottorff Revising All Miami-Dade Louver Models to be 2020 Florida Building Code Compliant.
Our first model released is our 6” deep EFD-637-MD hurricane louver. It is also AMCA Certified for Water Penetration and Air Performance. The EFD-637-MD is engineered and tested to withstand extreme loads, debris impact and cyclic fatigue associated with hurricanes.
06/14/21
Pottorff Now Features Basics of Dampers Training on our Online Web Portal.
We are now offering classes for AIA or CEU credit which can be taken on our online portal. Our second class is our Basics of Dampers class. The class features an overview of our Life Safety dampers; their purpose, construction, types and applications, codes and standards, testing procedures and installation. You can take the class immediately upon clicking on the course. If you want credit, there is a quiz. After successful completion, we will send you your certificate.
Basics of Life Safety Dampers Module
05/28/21
Pottorff Now Features Basics of Louvers Training on our Online Web Portal
We are now offering classes for AIA and PDH credit which can be taken on our online portal. The first class available is out Basics of Louvers module. The louver class is made up of easy-to-use sections.
• Introduction to Louvers
• Louver Types and Finishes
• Louver Testing
• Louver Installation
You can take the class immediately upon clicking on the course. If you want credit, there is a quiz. Upon successful quiz completion, you will fill out a short contact form and we will send you a certificate.
Basics of Louver Training Module
05/27/21
Pottorff Now Features Basics of Louvers Training on our Online Web Portal.
We are now offering classes for AIA or CEU credit which can be taken on our online portal. The first class is our Basics of Louvers class. The class is made up of 4 section: Introduction to Louvers, Louver Types and Finishes, Louver Testing, and Louver Installation. You can take the class immediately upon clicking on the course. If you want credit, there is a quiz. After successful completion, we will send you your certificate.
Basics of Louver Training Module
05/26/21
New Catalog Submittal Redesign
We have given our submittal sheets a refresh! Our new sheets are easier to read and navigate and offer more information and graphics a supplemental page. We are starting with our drainable louvers will replace all of our louver sheets this year.
A big thank you to our representatives for taking the time to review our designs and offer very valuable feedback.
05/24/21
Improved Installation: No Need for I-Mullions on 2” Louvers
We have streamlined installation for our 2” louvers by eliminating the need for I-mullions when installing multi-wide louver spans. Please contact the factory for specific wind-loading requirements for our 2” louvers.
05/20/21
New Ceiling Radiation Dampers with Optional Boot Rail Installation for Wood Truss Assemblies
We are pleased to announce the addition of boot rail installation for our butterfly style CFD-15 and curtain style CFD-20 ceiling radiation dampers. These dampers feature point-of-origin control of radiant heat in the ceiling membrane of wood truss floor-ceiling and roof-ceiling assemblies with fire resistance ratings up to 1 hour.
CFD-15 and CFD-20 Installation Instructions
04/29/21
Improved Installation: No Need for I-Mullions on 4” Operable and Combination Louvers
We have streamlined installation for our 4” operable and combination louvers by eliminating the need for I-mullions when installing multi-wide louver spans.
04/15/21
NEW Redesign for our XAV-545 Fema Grille Features Improved Free Area
Pottorff's newly re-designed XAV-545 5-1/2" deep, inverted V-blade FEMA grille offers the same superior protection against severe weather, now with improved free area values making us equal to or better than our competitors. The XAV-545 features a heavy duty frame and blades, allowing it to pass the stringent ICC-500 test protocols and achieve a UL windstorm assembly rating.
03/25/21
Pottorff: The Preferred Solution for Warehouse and Distribution Centers – New Video
The distribution center and warehouse market continues to grow. Our Class 1A leakage certified control dampers, Class 1A leakage certified combination louvers and high free-area operable louvers are the perfect choice for your project needs.
View Pottorff Fulfillment Center Video
02/22/21
Improved Installation: No Need for I-Mullions for 5”, 6” or 7” Louvers
We have streamlined the installation for our 5”, 6” and 7” louvers by eliminating the need for I-mullions when installing multi-wide louver spans. This does not affect Miami-Dade louvers
Stationary Louver Installation
01/07/21
NEW EFD-445-PH Penthouse Features Drainable Blades for Water Penetration Resistance
Pottorff's new EFD-445-PH expands our penthouse line with a model that will resist non-wind-driven rain. It is ideally suited for use in intake or exhaust applications and serves as a gravity ventilator, fan discharge cap, fresh air intake cap, sight shield, or pressure relief ventilator.
12/01/20
Brad Bauer Hired as Pottorff’s Eastern Regional Sales Manager
I am excited to announce that Brad Bauer is joining Pottorff as our Eastern Regional Sales Manager. Brad will be responsible for managing client relationships on our Eastern region, providing expertise to develop and grow our representative network. Brad has over 30 years of experience in the industry including working as a Sales Development Manager at Oldcastle Building Envelope, Architectural Sales Representative at YKK AP America Inc., specializing in aluminum glazing solutions and Branch Manager at Trulite Glass and Aluminum Solutions.
11/25/20
Newly Designed ECD-635 Now One of the Best Performing Wind-Driven Rain Louvers on the Market!
Our ECD-635 6" AMCA Certified horizontal blade louver offers best-in-class protection against wind-driven rain under the most severe conditions. Features Class A, 99.4% Effectiveness Ratio at 8 in/hr, 50 MPH AMCA 500-L test.
11/12/20
Mark Saunders Nominated to AMCA Board of Directors
Congratulations to Mark Saunders, VP of Sales and Marketing at Pottorff, for being appointed to the AMCA Board of Directors. AMCA sets the testing and certification standards for dampers, louvers and fans across the globe and works to provide a level playing field. AMCA's Board of Directors sets the associations strategic agenda, ensures that its mission and objectives are effectively executed and provides essential leadership to AMCA and the HVAC industry as a whole.
10/01/20
Louver Selection Tool (LIST) Now an APP
Our popular LIST Louver Information and Selection Tool is now available for your Android or iOS movbile devices. Just search "Pottorff" from the app store and download our free tool. There is no need to register to use LIST and it features all of the functionality you need with additional search parameters and the ability to view and download your product schedule.
08/20/20
NEW EFD-437-FL Features Best-in-Class Water Penetration Performance
The EFD-437-FL is tested to withstand the extreme loads, debris impact and cyclic fatigue associated with the severe effects of hurricanes. It is the first louver in its class that is rated for the current 2020 Florida Building Code. It carries and industry leading maximum wind-loading rating and is AMCA 540 listed for Impact Resistance.
08/13/20
Pottorff Announces Launch of Best-in-Class ECV-345-MD 3'' Miami-Dade Louver
Our new Miami-Dade louver is the only louver in its class on the market which offers maximum protection for both standard water penetration and wind-driven rain. Proper ventilation in classrooms and school areas. AMCA Certified for Water Penetration, Air Performance and Wind-Driven Rain, AMCA 540 and 550 Listed and Florida Building Code approved.
07/23/20
Pottorff launches NEW UL Class 1 Airfoil Blade Stainless Steel Fire/Smoke Damper
Our FSD-151-SS is perfect for mildly corrosive environments or areas of high humidity. The airfoil blade design features excellent air performance. This damper is approved for system velocities up to 2000 fpm and system pressures of 4" w.g. at 350 degree F.
04/23/20
Pottorff's NEW ECV-345 Louver Features Best-in-Class Wind-Driven Rain and Water Penetration Performance
Pottorff's new ECV-345 3" Vertical Blade Severe-Duty Louver is the only louver in its class on the market which offers maximum protection for both standard water penetration and wind-driven rain. AMCA 540 and AMCA 550 Listed and AMCA Certified for Water Penetration, Air Performance and Wind-Driven Rain.
04/01/20
NEW ECV-345 Severe Duty Louver is Best in Class!
The ECV-345 louver is engineered and tested to withstand extreme loads, debris impact, and cyclic fatigue associated with the severe weather effects of hurricanes. The design uses closely-spaced blades and a frame with built-in gutter and downspouts to achieve maximum water infiltration resistance for minimal louver depth. Features industry leading wind-driven rain and water penetration performance.
• AMCA 540/550 Listed
• AMCA Certified for Water Penetration, Air Performance and Wind-Driven Rain
• AMCA 500-L Wind-Driven Rain Test – Class A
03/30/20
Pottorff Announces NEW Louver Insect Screen
Our improved louver insect screen features a top-quality product and a clean appearance. Additionally, we are offering a fully removable and replaceable bird screen option when regular maintenance and cleaning is required. Default insect screen is now fiberglass but we still offer an option for aluminum if required.
03/24/20
NEW Duct Connection Options for our Wood Truss System Dampers
When the CFD-521-IP and CFD-521-NP dampers are configured to close within 1/8” of the top of the gypsum board used in wood truss floor/ceiling and roof/ceiling assemblies, duct connections can now be made on the top of the damper, or any combination of sides of any size. This applies for all standard installations. Additionally, the plenum height can now be extended to allow duct connections in roof/ceiling assemblies with increased insulation to adhere to new, more stringent guidelines.
02/17/20
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
02/06/20
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.
01/09/20
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.
01/05/20
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 Page
11/23/19
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.
11/21/19
Pottorff Announces NEW Field Supplied Steel Plenum for CFD-521-NP Ceiling Radiation Damper
Field supplied steel plenums can now be used with our CFD-521-NP for duct connections in wood truss floor/ceiling and roof/ceiling assemblies where fiberglass insulated plenums are not allowed.
11/20/19
Pottorff Signs Agreement to sell its Noise Control Product Division to Metal Forms Manufacturing Inc.
Pottorff has signed a definitive agreement to sell its Noise Control products division (with the exception of acoustical louvers), and the Dynasonics brand name, to Metal Form Manufacturing Company, Inc. (Metal Form). This move will provide additional resources and capacity to support Pottorff’s robust louver and damper growth and reinforce our commitment to be the easiest to do business with. Pottorff will continue to accept Noise Control product orders thru December 24, 2019 for shipment no later than January 23, 2020. All Noise Control product orders received after December 24, 2019 will be forwarded to Metal Form for their review and reassignment under the Dynasonics brand.
11/19/19
Pottorff Announces NEW Field Supplied Steel Plenum for our CFD-521-NP
Pottorff is pleased to announce a field supplied steel plenum for our CFD-521-NP ceiling radiation damper. These can now ne used for duct connections in wood truss floor/ceiling and roof/ceiling assemblies where fiberglass insulated plenums are not allowed.
10/10/19
Exciting Upgrades to Our Popular LIST Louver Information and Selection Tool (LIST)
When Pottorff launched LIST 5 years ago, it was industry leading software that gave users the ability to select and size louvers given a multitude of selection criteria for any project requirement. Since its inception, it has attained widespread adoption among pottorff representatives, as well as the engineering and architectural communities.
Our new upgrade features:
• More Search Parameters
• Fully Responsive, Intuitive Design
• No Need to Register to use the Tool, Register To Save Priojects
• Save Product Schedule as PDF or Excel; Option to Save to Import into our SPECs Pricing Tool
View Video
Download Marketing Sheet
10/01/19
Pottorff Sponsors October AMCA Webinar - Oct. 23, 2pm Eastern Daylight TIme
AMCA's October webinar features updates on codes, standards and certifications for severe-duty louvers and fire/smoke dampers. Discussion will include changes in the 2019 editions of NFPA 80 and NFPA 105 and code requirements for louvers in hurricane-prone regions.
To Register
09/30/19
Pottorff Announces Increased Duct Connections for Wood Truss Ceiling Radiation Damper
Our CFD-521 Wood Truss Ceiling Radiation Damper features increased duct connections and mounting options. When the damper is configured to close within 1/8" of the top of the gypsum board, boot rails can be used to mount the damper to the assembly. Additionally, duct connections can be made on the top and on any combination of sides.
09/18/19
Pottorff's ECV-645-MD now Features Streamlined Installation
Our ECV-645-MD vertical blade, Miami-Dade louver now offers a streamlined installation with minimal hardware required. It is also 2017 Florida Building Code Approved, AMCA Certified for Water Penetration, Air Performance and Wind-Driven Rain and AMCA 540 and 550 Listed.
09/11/19
Pottorff Feaures Ad in the Florida Caribbean Architect Magazine in September
Our Miami-Dade louvers are featured in the Fall issue of the FBC. Our Miami-Dade hurricane louvers are AMCA Certified and AMCA 540 and 550 Listed, 2017 Florida Building Code Approved and Texas Department of Insurance Listed.
08/29/19
Pottorff has article in the September issue of AMCA InMotion Magazine
Pottorff features an ad on our severe duty louvers in the September issue of The ASHRAE Journal. Accompanying our ad is an article co-written by Doug Petty, Pottorff's Louver Product Manager. The article, entitled 'Improving Building Resilience with Severe-Duty Louvers', talks about the fact that more states are adopting building codes requiring severe duty louvers. View article
08/12/19
Pottorff's NEW High Performing Louvers Feature Drainable Performance at an Economical Price!
In order to improve performance for you and your clients, we have redesigned our non-drainable louvers. These louvers now have drainable heads and jambs meaning increased performance at no additional cost.
• Best-in-Class Water Penetration Performance
• Get Drainable Performance at a Non-Drainable Price.
07/16/19
NEW End Plenum adds Flexibility when installing our CFD-521-90 Ceiling Radiation Damper
Our new end boot option gives added adjustibility to the installer to allow for flex duct connection without crimping or turning when space is tight to the truss space. The addition of this boot to our CFD-521-90 will give you another option when choosing the right application for your jobs.
06/04/19
NEW CAR-T Constant Airflow Regulator with Transition
Pottorff is pleased to announce the release of our model CAR-T to complement our CAR constant airflow regulator. The CAR-T offers the CAR factory installed in a square to round or rectangular to round transition. This labor saver can help installers save time by offering an easy way to install round constant airflow regulators in a square or rectangular duct.
Model CAR-T constant airflow regulator with transition is designed to save a significant amount of money and energy by precisely controlling airflow to balance HVAC systems without the need for electrical or pneumatic controls and sensors.
CAR-T Installation Instruction
06/03/19
Pottorff Releases the CAR-FD Constant Airflow Regulator with Fire Damper
Our model CAR-FD can be ordered with a static or dynamic curtain type fore damper that can be installed in fore rated walls rated up to two hours. The CAR-FD fire damper employs curtain style blades for point-of-origin control of fire in static or dynamic HVAC systems.
06/03/19
Pottorff Releases the PI-10 Indicator Switch Package for Curtain Type Fire Dampers
Our PI-10 switch package can be used to signal an alarm or fore control system to indicate blade closure on VFD dampers. The PI-10 can be used on both static and dynamic, 1-1/2 hour rated and 3-hour rated dampers. It can be ordered factory mounted, or loose for field installation as an option on our VFD models. It can also be ordered as a stand-alone model for retrofitting installed VFD dampers that need this blade indication.
04/30/19
Introducing Expanded Modulating Actuator Options for Combination Fire/Smoke Dampers
The expanded Modulating Actuator options will allow our UL rated airfoil blade fire/smoke dampers to act as both life safety and air control dampers.
Pottorff is pleased to announce expanded modulating actuator options for our out-of-partition and horizontally mounted steel airfoil combination fire/smoke dampers. The Belimo FSAFB24-SR(S) modulating actuator can now be selected as an option on Pottorff's horizontally mounted FSD-151 and FSD-152 dampers in assemblies up to 120" x 48" and on FSD-151-OP and FSD-152-OP dampers up to 36" x 24".
04/05/19
Pottorff Announces NEW Concealed Motor Louvers
Pottorff's NEW concealed motor louvers are designed to be used in any situation where our standard operable and combination louvers would be used, but where access to the actuator and hardware needs to be controlled or restricted. The actuator will be concealed in the sill of the louver, and can be accessed internally (by default), externally, or both.
EOD-445-CM
EOJ-445-CM
EXD-437-CM
EOD-637-CM
EOJ-637-CM
EXA-645-CM
EXD-645-CM
03/29/19
Increased Performance for Pottorff Airfoil Blade Fire/Smoke and Smoke Dampers!
Pottorff is pleased to announce increased performance ratings for our airfoil blade smoke and combination fire/smoke dampers. These dampers are now UL approved for Class 1 leakage at 4000 fpm and 8" static pressure at a maximum assembly size of 96" x 48". This assembly size makes these dampers the largest in the industry. These ratings cover combination fire/smoke dampers rated to 1-1/2 to 3 hours and Class 1 or Class 2 leakage as well as smoke dampers rated to Class 1 or Class 2.
• Maximum Dynamic Closure Velocity: 4000 fpm
• Maximum UL 555S Rated Pressure: 8 in. wg.
• Class 1 and Class 2 UL 555S Rated Leakage
• AMCA Certified for Air Performance
View Dampers
