Made in the USA out of 26 gauge galvanized steel. SP Gravity Relief, CFM/Throat Velocity @ 0.050-In. The roof curbs of our hooded roof gravity exhaust fans are available in a wide range of sizes, up to 72" x 72". All Rights Reserved. f?3-]T2j),l0/%b Maximum amount of digits: 6. NOTE: When ordering, please specify roof slope, base type, damper pull chain and paint color. Other sizes up to 48 are available through special order. Forges and glass plants, followed by paper and gypsum plants, also began to use natural ventilation. Sign In to access your account information. Often when the building has a lower roof or the process doesnt generate quite as much heat, a Pressure Gravity System is an effective alternative. 
In conclusion, dont miss out on the hidden benefits of a Natural Ventilation orPressure Gravity System system. 
20112022 Zoro Tools, Inc. All rights reserved
Click the button below to add the Roof Gravity Ventilator - Globe (7 Inch) (GGV7) to your wish list. Strong, weathertight hoods on these gravity exhaust and supply ventilators feature interlocking, arched, galvanized steel panels and include a preassembled bird screen. Assembly requires the installation of a 4 x 4 bird screen in the opening, between the inner band and rain shield, to prevent birds from entering the vent area. / % [Content_Types].xml ( N0EHC-j\X $@b/=>"RRQ{c%3X@LCV^i7 Sx[Ab7*@*HRf$g`E*} G;V )B~)K0{j17X$)+n7u9bf}^&i/52\ Units feature a low silhouette, fabra hood style housing. Our commercial and industrial fans provide relief and supply fresh air ventilation in one, easy-to-install design. Factory, warehouse, and operations managers that discover the secret of natural ventilation see cooler work floors, happier personnel, and lower operating costs. Available in sizes 3" to 24" and includes drawbolts. A gravity ventilation system allows for a steady flow of air across the buildings work floor. SP Gravity Intake. A variety of corrosion resistant coatings and custom color paints is available. Sign up to receive Metallic Products emails. Note: Product availability is real-time basis and adjusted continuously. This model can mount either to a roof curb or with a flashing flange (GRSF) for quick and easy installations. Protects from rain, snow, and the elements. JRC1ZcH^T|w9 ]` PK ! FGI-1.75, Greenheck- Fabra Hood Gravity Ventilators, 51 x 36 x 16 in. The strong, weathertight hood is constructed of interlocking, arched, galvanized steel panels. While the concept dates back millennia it is only in the last few decades that we have figured out how to use it on a grand scale in a variety of environments. Longer lengths are available upon request. 2022Metallic Products Corporation. Choose from standard gravity vents, exhaust and supply gravity vents, gravity roof vents and more. Manufacturing Problem Solving: Efficiency & Waste, Safer Building Temperatures With Better Ventilation. Some managers keep this secret to themselves so as not to tip their hand. J'jnYBR mBL!CZ+K Ha~FF43#0$FwH As the technology constantly improves the ventilators become more effective as the technology improves. Privacy Policy Single-slope bases mount directly to the roof panel and are placed in such a way as to prevent damming. Massive vents exhaust the incredibly hot air that resulted from the molten metal processes. It does not require electricity to operate. Overnight they see how gravity ventilation can impact their facility. Meanwhile, its wide range of available colors and finishes allow it to blend seamlessly with virtually any metal building design. A built-in curb cap offers prepunched holes to help provide for easy attachment to the roof curb. Base and ventilating unit arrive preassembled, ready for installation. All prices are in USD. construction. Working on the air pressure differential between the inside and outside of a building, warehouse, factory or other commercial site, these ingenious ventilation systems require next to no maintenance and less upkeep than other types of powered exhaust vents. Looking for other types of ventilators? These fans are suitable for a variety of applications, including building pressure relief and fresh air intake, and are available in throat sizes up to 72 x 72. %z Ventilator may be furnished without damper if desired, however, overspray or driven rain may enter the vented space. Copyright 2022 HVAC Express. All Rights Reserved. Only digits are allowed. fresh air intake, or exhaust system termination in commercial or industrial applications. Natural ventilation uses no power. This produces a positive pressure environment pushing the air through the space at an increased rate. Damper may be locked in any position by using the optional key type chain lock. A gravity ventilation system eliminates those problems completely. Furthermore, your electrical cooling costs kept down to a minimum. SP Gravity Intake, CFM/Throat Velocity @ 0.250-In. Ventilator is constructed of galvanized steel or heavy-gauge aluminum.
) G When you buy a Greenheck gravity ventilator, you receive a ventilator with the industries best performance and durability for intake (model GRSI) or relief (model GRSR) for natural gravity or positive pressure systems. Ventilator with damper may function as a smoke exhaust vent by including a fusible link in the chain operator. Warranty, Return & Replacement Policy and Procedure, Spun Aluminum Appearance Matches Carnes PRV's. Intake wall louvers and gravity roof ventilators, like the Low-Profile Vent are aerodynamically designed weather protected openings that promote the flow of air. Low-profile, corrosion-resistant rigid aluminum construction with integral birdscreen and built-in curb cap. FGI-1.67, Greenheck Fabra Hood Gravity Ventilators, 39 x 28 x 16 in. While Supplies Last. ), Most advanced weather protection of any ventilator in its class, Greenheck subjects these products to extensive life testing, ensuring the ventilator will provide years of reliable performance, All aluminum exterior for corrosion-resistant construction, Integral bird screen to prevent the entry of birds and/or small objects, Built-in curb cap with pre-punched holes for easy attachment to roof curbs, Optional built-in flashing flange (model GRSF) with pre-punched holes for quick and easy installations without a roof curb, Gravity or motorized dampers to ensure weather tightness, Protective coatings to extend the life of the unit or blend its color with other equipment. Access My Account, Order History, Lists and more here. Unfortunately for them, were going to let the entire world in on the secret. Available styles include These versatile commercial roof ventsaredesigned for economic, low-volume air movement, and are perfect for ventilating warehouses, light industrial buildings, attics, lofts and other buildings requiring relief throughgravity ventilation. Our application specialists are ready to help! They work best on buildings with higher temperatures with higher roofs, but many plant managers have seen remarkable success installing them into smaller facilities as well. TK6_ PK ! N _rels/.rels ( j0@QN/c[ILj]aGzsFu]U
^[x 1xpf#I)Y*Di")c$qU~31jH[{=E~ Or any of the other problems that pop up too often with exhaust fans. A well-designed system will take advantage of gravity and the temperature differentials to result in a self-perpetuating non-powered ventilation system. Low-profile gravity roof vents feature corrosion-resistant, weather-resistant, rigid aluminum construction and include integral bird screens. A wider variety of applications and industries use natural ventilation. Even better, as the fans are handling cool, clean air they require less maintenance as well. Do Not Sell My Personal Information, 20112022 Zoro Tools, Inc. All rights reserved, Direct Drive Centrifugal Exhaust Ventilators, Belt Drive Hooded Axial Downblast Exhaust Ventilators. Maximize ventilation while minimizing power usage with gravity exhaust and supply ventilators. The key term in that last sentence, of course, was non-powered. You can eliminate this cost entirely by switching to natural ventilation today. Through the proper design of a Natural Ventilation System your facility can be more comfortable. This design achieves a free, unobstructed flow of ventilated air. Or the downtime required to fix them. Website by. lb word/_rels/document.xml.rels ( N0HC;qS) (7&"#{K4M fvEU3X'NYwX:3eW{,r(t.*!e3plJ rcY\K>ecPM;J -mk=xq`5:OpVWMQ.L6QqC .&CaK)XI\~H19Jt:1+.7puL>,: KtEJ CFM/Throat Velocity @ 0.050-In. F*{&. On the other hand, when natural ventilation is not ideal, a Pressure Gravity System, aka Hybrid Ventilation System, may be used. Exterior construction shall be heavy-gauge aluminum wind band with a rolled bead. The design compliments the silhouette of any building, providing the performance, size selection and economical advantages required from virtually any design specification. Choose the configuration thats right for your application when you come to Grainger for a gravity roof vent. z, /|f\Z?6!Y_o]A PK ! Many facility managers see powered ventilation as the only option for cooling their building. The product will be reserved for you when you complete your order. Zoro has a wide selection of belt drive exhaust vents, roof ventilators and direct drive exhaust ventilators. SP Gravity Relief, CFM/Throat Velocity @ 0.250-In. Of course, this doesnt even include the additional maintenance and repair costs that come with fans. Standard round gravity ventilators are available in 12, 20 and 24 diameter throat sizes. Thank you for signing up for emails from Metallic Products! The GRSI is a spun aluminum air relief roof ventilator for natural gravity or positive pressure systems. Exceptional low silhouette design and construction features make this unit a rugged, efficient, and economical air inlet or outlet. Greenheck Fabra Hood Gravity Ventilators, 63 x 29 x 14 in. They dont even realize that there is no other way, let alone understand the efficiencies that can be achieved through Pressure Gravity Ventilation. FGI-3.50-1, Broadest performance in the industry, up to 18,400 cfm (31,300 m3/hr. Sidestep subpar airflow with Metallic Products round gravity vents. Sitemap |, Motorized Zone Damper - 6 Inch - [Normally Open], Motorized Zone Damper - 6 Inch - [Normally Closed], Motorized Zone Damper - 4 Inch - [Normally Open], Motorized Zone Damper - 4 Inch - [Normally Closed], Commericial Roof Gravity Ventilator Video, Roof Gravity Ventilator - Globe (7 Inch) (GGV7). Gravity ventilators are constructed of heavy-gauge aluminum or galvanized steel. Gravity ventilators designed for intake applications with natural gravity or negative pressure systems. Gravity Roof Ventilator for Residential and Commercial Use. Ventilators are designed for exhaust or supply applications on natural gravity or positive pressure systems. Terms & Conditions Galvalume finish is standard, Polar White and other colors including Kynar are available. PK ! Please accept for optimal performance. This type of system works like a passive exhaust system except it uses wall fans to provide supply air to the building. FGI-3.50, Greenheck Fabra Hood Gravity Ventilators, 51 x 22 x 14 in. Use hooded gravity roof vents with either nonpowered ventilation or in conjunction with powered exhaust, supply or reversible fans. Model GHRV Hooded Roof Gravity Ventilator Engineering Guide. Durable, heavy-duty galvanized steel or aluminum construction, Applications include building pressure relief and fresh air intake, Galvanized steel or aluminum construction. As a result, modern gravity ventilation technology grew out of the steel industry in the early 1900s. 26-gauge inner and outer bands, rain shield and base are assembled with four pre-formed baffles into a simple yet sturdy ventilating unit. Shop for a gravity roof vent from Grainger in either hooded or low profile design. Additionally, this constant flow of fresh air into the building promotes the expulsion of the hot, dirty air through the roof. The damper is supported in the open position by four strong springs and is closed by a 5 pull chain. Of course, this requires electricity, but often a good deal less. The MatrixVent vents are so effective that they often work on moderate temperature buildings too. Our GHRV ventilators are available in a square-hood, stepped-curb cap design. This is supplemented by the air that enters at the ground level. rectangular low silhouette fabricated hoods of steel, aluminum or stainless steel materials and round spun aluminum Natural ventilation is the best-kept secret in the world of industrial facility management. An experienced ventilation design engineer knows how to place these devices to maximize airflow. NOTE: To submit quote request electronically, download, complete and save the form to attach in an email. This eliminates the electrical costs of running exhaust fans. Base is specifically designed for final installation with specified roof slope either ridge or single slope, and either flat or mounted into the specified roof panel. A naturalmeans of keeping air movinging through a space, the gravity vent works without need of electricity, and requires little to no ongoing maintenance. on All Flashing
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These hooded gravity roof ventilators are designed for nonpowered ventilation or can be used in conjunction with powered exhaust, supply, or reversible fans. It normally costs around $600 per HP per fan, or $30,000 per year on a building with ten 5 HP fans. Fill out the form below to you uncover the Pressure Gravity System solution for your facility today. Its adjustable damper makes it easy to regulatethe volume of gravity air movement, and to protect your structures from waterintrusion related towind-driven rain and backdraft conditions. This site uses cookies to provide the best visitor experience. 2021 Johnson Controls. Intake and exhaust hoods are designed for gravity ventilation, pressure relief, Our commercial roof exhaust fans provide powerful cooling performance and natural gravity ventilation inside and outside of buildings.
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