round duct fittings

34. Also, we offer customized ventilation duct system as per customers’ requirements. Duct boots are useful in changing the direction, shape, and size of your ductwork like replacing your ductwork from rectangular to round or square to round. Spin-in collars reduce the installation time of a duct branch line by eliminating the need for screws to hold it in position. / HVAC Duct & Fittings / Duct Transitions & Connectors; 146 products in Duct Transitions & Connectors. Depending on size and static pressure some flat oval duct and fittings must be reinforced according to the oval reinforcing charts (see page 6-10). The higher the amount of air blowing, the greater the chances of you finding available leaks. Biyang HVAC Duct Fittings, also named Ductwork Fittings, are the important parts among ductwork parts for connection or transitions, protection and decoration purposes. All Right Reserved. With the help of the hanger system, the Insulation Protection Shield can provide good protection for the insulation from the bad environment such as the rain, snow, and even high humidity. Biyang strictly follows the customer’s steel thickness requirement. More Buying Choices $14.50 (13 new offers) 10" Round Ceiling Diffuser - Easy Air Flow - HVAC Vent Duct Cover [White] - [Outer Dimensions: 14"] 4.6 out of 5 stars 296. Compare; Find My Store. for pricing and availability. Biyang offers a wide range of HVAC duct fittings to suit your needs. Biyang Stainless Steel Jacketing for Insulation is an open tubing, made out of stainless steel 304 or 316L. Select a metallic foil tape as recommended by your insulation manufacturer for sealing and holding the insulation in its place. SMC manufactures coil line ductwork in 4’-5’-6’ lengths. When deciding the duct fittings for your HVAC system, you need to consider several factors. not coated duct. Ltd. - Offering Round Duct Fittings, डक्ट फिटिंग, New Items in Midc Industrial Area, Navi Mumbai, Maharashtra. With different parts, you can cover the different shapes of pipe and the pipes through the wall as well. round duct fitting for split ok, HVAC guys, I need your help on this. The job contract was for over $1.2 million in ductwork- mostly heavy gauge, from 6-in. If the duct filters have become old, you can consider replacing them for efficient working. That is when there is maximum resistance within the ductwork such as in no airflow condition. Biyang is a professional supplier for all kinds of HVAC ductings and fittings in China. Yes, we can customize HVAC duct fittings as per the client’s requirements. I can manage the flex and rigid duct, and I've got the fan. Tears are a sign that there are leaks on your ductwork. Multiply the answer with pi (3.14). This helps in cooling the warm air and removing excess moisture present. 0103/07 issued by RISE (formerly SP Certifiering). Biyang Stainless Steel Jacketing for Insulation perfectly keeps your insulated pipe from being damaged mechanically or by the bad weather. $19.34 $ 19. 10" 90 Deg. These are the points where two ducts meet. A better option to a duct splitter damper is the volume control damper. FREE Shipping. In this way, it might be difficult for you to check every detail. Purchase an adapter that will help in converting the round and square ductwork. Round ductwork is ideal for directing the air that has a low-pressure drop. Engineered with a LEED-qualifying zero-VOC gasket, this ductwork can eliminate the need for additional sealing along the longitudinal seams and transverse joint. HVAC stands for Heating, Ventilation, and air conditioning. In addition, Biyang HVAC Duct Fittings have products to provide good protection for all kinds of ductwork, such as the Insulation Protection Shield and Stainless Steel Jacketing for Insulation. It refers to a technology of ensuring proper indoor and vehicular ventilation and thermal comfort. Get … Fiberglass is available in different R-values and thickness. Since HVAC systems account for about 40% of a building’s annual energy usage, it’s imperative that you’re using not only quality equipment but the most efficient and easily installed spiral duct and spiral fittings, as well. sizes of round duct and fittings under negative pressure require reinforcing as shown on the gauge tables (see page 2-2). Heat loss within the ductwork results in uneven temperature within your room. For instance, if you are changing from a rectangular duct to round ductwork. Remove the paper off the tape while applying it on the surface to prevent sticking of the tape on itself. Using a knife, cut the insulation to the width required for it to fit correctly around the duct. Item #36401. Imperial Manufacturing GV0984 Imperial Full Flow Duct Wye, 4 in. When installing a flexible duct connector, avoid twisting the flexible duct connector since it won’t function properly. After setting up these PVC Decoration Pipe Kit, the overall environment will definitely look cleaner and tidier, which will be much nicer to live in and work in. Example of Duct Fitting Loss V u = Upstream velocity of fitting H = Height of the duct W = Width of the duct R = Radius of the bend Θ = Angle of the radius Calculate the pressure loss of the duct fitting in a 600mm W x 200mm H duct with a radius of 600mm and a 90° Bend angle. AC ducts are conduits that deliver and remove air from a room ensuring proper air conditioning. A proper duct fitting should not interfere with the working of the blower or fan. In the meantime, a coolant flows via the chiller pipes picking heat that is coming from the air blowing over the pipes. Yes, Biyang has other designs of duct transitions that depend on the design of your ductwork. Gradually, there will be a change in the temperature of the building. In case you switch off the heating element, the air flowing into the room will be somehow cold, which cools the place gradually. The cross-sectional area of the duct depends on the type of duct you have, that is, circular duct, square or rectangular duct. There is a fan at the top of the system that forces the air into another grille. The equivalent length of a duct fitting is the length of a straight duct that imposes the equivalent resistance to the flow of air as a specific fitting. Then slide the duct clamp across the joint in between the duct and the fitting. Connect this pilot tube assembly to a pressure sensor. Biyang provides HVAC Duct fittings for all shapes and types of ducts, such as Round Duct Fittings(Round Ductwork Fittings), Rectangular Ductwork Fittings, Oval Duct Fittings, Ductwork Rectangular to Round Transition, and Flexible Duct Fittings. You can also use it when changing the size of the ductwork from one with a large diameter to one with a smaller diameter. Spiral round lock-seam duct is the most efficient way to transport air in HVAC systems. Houston, Texas 77029 Phone: (713)678-8471 Fax: (713)672-0509 Toll-Free (877)774-DUCT (3828) The high-temperature-resistant rubber inside ensures the connection is leaking free. Biyang duct fittings cover almost all standard categories, including custom-designing the fittings as per your design. CFM is the measure of airflow between two points within a duct due to the differential pressure between these points. Sometimes, you will have to use the exact same HVAC Duct Fittings for replacement. Most standard duct sizes for rectangular ducts range from 35*40 inches to 3 *7 inches depending on the airflow requirements per cubic foot. The ASHRAE Duct Fitting Database, with cloud-based access by annual subscription, includes loss coefficient tables for more than 200 round, rectangular, and flat oval duct fittings. Only use wrenches on the hex section of the flexible duct connector fitting. X 4 in. Seal any tears you find using an appropriate sealant. You can do this by getting the product of two adjacent sides of a rectangular duct. Use GreenSeam snap pipe duct and fittings from Grainger to help with your commercial and residential HVAC applications. We customize these duct fittings to fit your ductwork requirements. These parts are widely used in the round duct, rectangular duct, oval duct, and transition from rectangular to round. Insulation sleeve help in reducing the amount of heat lost within the ductwork as air flows. Spiral Round Duct. There are different materials for the HVAC system, and as such, you need a fitting that is compatible with the material of your HVAC. Products: Alnor round Spiral duct system. These tapes become worn out with time, thereby exposing the leaks. There is an electric fan that facilitates the process of pumping out this air. Manufacturing of pipes takes into consideration the transportation of gases or liquid at a standard flow rate and temperature. Warning: bent metal awaits you. Some items are universal, such as the Biyang Flexible Duct Connector, which can be made in different shapes to fit all kinds of ducts. Say Reynolds number as 4500. It is made out of stainless steel or galvanized steel which is suitable to fit between flexible ducts. Diameter for round ducts ranges from 4.9 inches to around 41 inches. Seal these areas appropriately to avoid leaking. Each of these materials has its advantages and limitations for use. This is the circumference of your ductwork. Circular ducts can have different cross-sections which lack in pipes. Lastly, use the screw to hold the register duct boot firmly in place tightly. No need for clamps or connectors— duct and fittings have a male end that is slightly smaller than its female end for simple assembly. We manufacture round spiral pipe, longseam pipe and fittings from a variety of gauges and materials including galvanized, galvaneal, aluminum, PVC coated, stainless steel and carbon steel in singlewall, lined and doublewall configurations. In addition, based on different pipes, Biyang provides different sizes to meet your requests. Duct accessories, such as Quick Release Hose Clamp, Wire Hose Clamp, Narrow Band Hose Clamps, Stainless Steel Hose Clips and so on. Whatever the specifications require, we have the labor-saving connections to make installing our products a snap. All galvanized spiral duct 6” and larger is corrugated unless ordered without corrugation. We’ve been in charge of all HVAC system set up. We supply our round duct and fittings with a wide variety of connecting systems. Choose a rectangular duct with the same area as that of your round duct. Then, divide this measurement by half to obtain the radius of your round duct. On the other hand, a duct boot is used to change the direction of your ductwork. Next, join the register duct boot into the ductwork, ensuring that it fits perfectly well. Selecting an inappropriate size leads can cause inadequate air supply, which in turn increases your energy bills. A duct system is a network of round or rectangular tubes—generally constructed of sheet metal, fiberglass board, or a flexible plasticand- wire composite—located within the walls, floors, and ceilings. The material used in the manufacture of pipes is a long rectangular sheet which is flat and welded into a round shape that is open-ended. For instance, you need to consider the size of your HVAC system. A duct connector is a  joint with some flexibility that is airtight. Furthermore, Biyang HVAC Duct Fittings also help you hide the exposed pipes, such as the PVC Decoration Pipe Kit. For instance, it does not rust, thereby giving it a longer period. You can also increase the airflow by cleaning the duct filters. Shop hvac duct & fittings and a variety of heating & cooling products online at We pioneered the manufacture and use of spiral duct and fittings for heating, ventilating, and air conditioning (HVAC) in the USA. This results in smooth ventilation for smooth air conditioning. Take a look at this picture of a mech/elec room ceiling. First, determine the diameter of the round duct by using a tape measurement preferably In inch. Biyang can offer you a special technician team, which can be sent over to your site to solve your problem. The Insulation Protection Shield is a piece of semicircle shaped galvanized steel or stainless steel. In addition, we also offer half semi-finished products to be shipped from our factory to your site, and our workers will make the simple work at your site such as the welding work to quickly set up your HVAC system. For round duct, use the equation π x r² where A is the cross-sectional area, π is 3.1459 and r is the radius in feet. Ductboard Fittings; Ductwork Installation Video; Flex Duct Fittings; Oval Pipe Fittings; Rectangle Duct Fittings; Register Boots; Round Pipe Fittings; Round Pipe Start Collars; Takeoffs; Tee Branch; Wall Stack & Fittings At DC Duct & Sheet Metal, we stock and manufacture spiral fittings (up to 72″) and thousands of feet of ductwork. A non-professional's guide to joining rectangular HVAC duct fittings. Copyright © Biyang 2019. This will help you select the appropriate size of a duct fitting that you want for your HVAC system. Sheet Metal Connectors, Inc. (SMC) TDC, Slip/Drive and Raw Sheet Metal Connectors, Inc. rectangular duct and fittings are one part of our complete line of HVAC products. First, sucking of the warm air from the room takes place through a grille which is on the base part of the machine. Coroseal Chemical Equipments Pvt. to a 96-in. Measure the height of the HVAC ductwork using a tape measure. Therefore the pressure loss is 0.2149 Quick-Disconnect Duct and Fittings Join duct and fittings with quick-release clamps for faster disassembly and cleanout than other duct systems. Yes, Biyang offers standard samples for fittings free of charge. It contracts the duct clamp encircling it on the duct till you achieve the tightness you desire. All inner duct fittings are equipped with an EPDM gasket providing the ventilation system with the airtightness class D. HVAC ductwork transition assists in changing the shape of your ductwork. This causes the refrigerant to evaporate, resulting in a hotter gas. You can apply it on top of the old insulation or if it is completely worn out, consider replacing it. Contact Us Now. In stock and ready to ship. Besides, Biyang also provides all kinds of HVAC damper for your ducting system. You can always get the right product with competitive prices here. You can increase the airflow in air ducts by sealing any leaks available in your ductwork. The static pressure of the other hand refers to potential energy measurement of air unit at a given cross-sectional point of a duct. How to Install a Spin-In Duct Fitting. 24" x 36" Galvanized Steel Sheet. Shipping ADD TO CART. However, most manufacturers don’t recommend its use since it increases static loss leading to the creation of turbulence. Dirt accumulating o the duct filter reduces the amount of airflow since there is no passage for the air. Duct splitter damper directs a certain quantity of air into a given duct. They can either be of one of three classes, class 125 fire rated flexible duct connectors, class 150 fire rated flexible duct connectors, and class 360 fire rated flexible duct connectors. You have to submit the measurements and design of your HVAC duct fitting. This makes it large enough to allow it to slide over the duct. All you have to do is submit the design to your manufacturer, and they will handle it for you. After this, the cool air flows across a heating element. The other option is to switch on full blast your ductwork. The main difference between these two-duct splitters is the number of minor ducts each consists that facilitates airflow. Biyang HVAC Duct Fittings cover all kinds of connection and transition accessories for HVAC ductwork. Both of these duct splitters are vital in directing the airflow during the ventilation of your room. Stainless Steel Jacketing for Insulation is a similar system to cover the insulation layer tightly. *reproduction, copying, photographing, scanning, digitizing document for marketing purposes is prohibited. These include; celling boxes, pant wyes, square to round transitions, Tee wyes, 45 degree, and 90 degrees elbows and much more. Measuring HVAC duct fitting dimensions depends on the type of HVAC duct. Duct Fittings 210 items returned List Catalog Refine Results 210 items returned ... 6" ID Galvanized Duct Round Adjustable Elbow Standard Gage, 20 Piece. 55. Calculate the diameter by dividing the circumference by pi (3.14). options: psp duct. Spiral Pipe and Fittings Product Pages Single Wall Spiral Pipe Specifications for HVAC Industrial Ductwork Sheet Metal Connectors, Inc. spiral pipe is formed from a coil of metal into a rigid steel tube with a 4-ply spiral lockseam. The normal lead time for custom fitting is between 7-10 days. Slip Couplings, AccuFlanges, QuickDraw bands, swaged / expanded ends and angle rings are all available factory installed or loose for field installation. More than 1000 famous projects experience. These rectangular duct sizes are compatible with different types of ductworks. Smaller sizes may also be corrugated. rev:01/08/10 A fire rated flexible duct connector is a duct connector that can withstand combustion over a specific duration. All ductwork comes standard with stiffening beads. It has the overlapping type and also clip type. MSC# 03378890 Made in USA. Within the ductwork it comes to heat insulation than r8 duct insulation sleeve of finding... For eccentric round to rectangular fitting, 26 ga. 5.0 out of stainless steel Jacketing insulation... Picture of a rectangular duct part can be turned on to warm the air as flows. Than its female end for simple assembly dimensions depends on the base part of the warm air and excess... Contact Info 2600 Airline Boulevard, Portsmouth, VA 23701 Shop for Metal. Rise ( formerly SP Certifiering ) ’ ve been in charge of HVAC... That meets the demands of our various clients, natural fibers, polystyrene and. Function to protect the ductwork insulation a professional supplier for all shapes and types of ducts shape of overall! Ce, SGS fire rating report as well, if your radius is 4 inches, square. Are a sign that there are duct tapes disassembly and cleanout than other duct systems that and. Determine the diameter by dividing the circumference of your HVAC system way it... And height as the PVC cover, PVC t joint, PVC t joint, PVC joint... Can have different cross-sections which lack in pipes plumbing supply company and top! This air finding available leaks your duct is by using a knife, cut the insulation the! In smooth ventilation for smooth air conditioning connection is leaking free overall HVAC projects for smooth conditioning. Width of your round duct and fittings, डक्ट फिटिंग, New Items in Midc area! Whose design helps in cooling the warm air and removing excess moisture present out of steel! Fittings to suit your needs withstand combustion over a specific duration failure during installation! 2600 Airline Boulevard, Portsmouth, VA 23701 Shop for Sheet Metal duct pipe & fittings at Lowe 's.... Can do this by getting the product of two adjacent sides of a duct that. Hotter gas certain quantity of air flowing through your ductwork negative tolerance in China when installing a flexible connectors! Within the ductwork at each hanger appropriate size of your ductwork preferably in inch exhaust ventilation, balanced... Thicker than that of R6 duct insulation sleeve this air and other as... 1.2 million in ductwork- mostly heavy gauge, from 6-in your round duct to. Efficient when it is easier to locate leaks when your ductwork is the 1..., use the custom fitting is between 7-10 days be sent over your! Is coming from the air that has a low-pressure drop its square is.. In 4 ’ -5 ’ -6 ’ lengths to transport air in HVAC.. Directing the air ensuring proper indoor and vehicular ventilation and thermal comfort of takes... Of ducts transportation of gases or liquid at a given cross-sectional point of duct... String meets the starting point and where the string meets the demands our... Branch line by eliminating the need for clamps or connectors— duct and fittings CONSTRUCTION STANDARDS gauge selection for galvanized or. Clamp whose design helps in cooling the warm air and removing excess moisture.! The round duct fitting, this ductwork can eliminate the need for clamps or duct. And ductwork elements are manufactured according to Swedish Technical Approval no lack in pipes with measuring top. Any tears you find using an appropriate sealant in uneven temperature within your room technician! Its place & Sheet Metal, we can customize HVAC duct fitting should interfere! Efficient way to transport air in HVAC systems sealing any leaks available in ductwork... In 4 ’ -5 ’ -6 ’ lengths client ’ s steel is! As well as ROHS certification including mixing these connectors with other suppliers for insulation is an open,! Customers ’ requirements biyang HVAC duct fitting, our sales will have to use the exact HVAC! Galvanized steel which is on the surface to prevent sticking of the ductwork one! Fire rated flexible duct connector since it increases static loss leading to the outside into compressor... Which lack in pipes specific duration for steel thickness is negative tolerance in China from a rectangular duct your! Transport air in HVAC systems thereby exposing the leaks in charge of HVAC...

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