Hard Pipe Ductwork

Weatherproofing Exterior Pipes And Ductwork - Polyguard
Engineers to locate bulky HVAC ductwork on the roof. This trend has challenged insulation and the exterior duct and pipe waterproofing market, replacing mastic and metal systems with a self adhesive membrane designed specifically for the HVAC market. There is now a ... Retrieve Doc

Outgassing - Wikipedia
Outgassing (sometimes called offgassing, particularly when in reference to indoor air quality) is the release of a gas that was dissolved, trapped, frozen or absorbed in some material. ... Read Article

NEW DUCT SIZING CHART - Building In California
Flex duct = .05" on most metal duct calculator Round metal pipe = .06" on most metal duct calculators FIELD DUCT SIZING CHART Rectangular sheet metal duct = .07" on most metal duct calculators Step One - Identify the volume of air that will be passing through the duct ... View Full Source

GUIDELINE ON THROUGH-PENETRATION FIRESTOPPING
GUIDELINE ON THROUGH-PENETRATION FIRESTOPPING SECOND EDITION – AUGUST 2007 SHEET METAL AND AIR CONDITIONING CONTRACTORS’ NATIONAL ASSOCIATION, INC. to flame, intumescent materials will form a hard char. L Rating. A rating usually expressed in cubic feet per ... View Doc

CertainTeed Mechanical And Industrial Insulation
Mechanical and Industrial Insulation Product Selection Guide. 2 CertainTeed has helped shape the building materials industry for more Ductwork can also be insulated on the inside surface by using a duct liner system. The insulating blanket provides thermal resistance to ... Access Doc

Ductwork - Product Catalog
Plenum to round pipe or insulated lexible duct. Snap together. Model # Size Carton Qty. Weight UPC Item Code (050206) everything you need to complete all of your ductwork projects. Starting Collars & Take-Offs Saddle Air-Tite Take-Off Model # Diameter Carton Qty. Weight UPC Item Code ... Get Document

Design Standard Identification Of HVAC Piping, Ductwork, And ...
Pipe insulation with appropriate piping identification. − Locations: Ductwork and piping shall be identified every 20’ in spaces with removable ceilings and at each access door in spaces with hard ceilings. Exposed ductwork shall be identified every 20’ in mechanical rooms. As described above, ductwork shall be labeled on both sides of ... Doc Retrieval

Ductwork - Alpine Home Air Products
This means the ductwork is located in the crawl space or in the attic, along with the furnace. These horizontal furnaces are usually electric, but gas, oil, or heat pump which uses strictly round pipe, and the extended plenum system, which combines round pipes with rectangular ducts. ... Content Retrieval

Single Wall Round Duct & Fittings - HVAC Product Supplier
Single Wall Round Duct & Fittings. After applied, push the collar into the spiral pipe up to the stop bead or gore lock connection. c)Fasten the fitting into the spiral duct with screws ½" from the stop bead. Screws should be placed minimum 6" on center. ... Retrieve Doc

Duct Diameter Sizing Charts - CaptiveAire Systems
Duct Diameter Sizing Charts The following is needed to determine the duct diameter: CFM and Velocity (CFM / V = AREA). Charts listed below show what duct diameter to use given a CFM and Velocity. Title information for each block identifies the name of the fan(s), the curb size and the duct transition part ... Doc Viewer

Fluoropolymer Barrier FRP Duct/Pipe Fitting Standards
90° S.R. Rectangular Hard Bend 3-Gore Elbow 90° Rectangular Easy Bend 2-Gore Elbow 90° Rectangular Hard Bend 2-Gore Elbow Reducers & Transitions: 150 159 160-11 160-22 Fluoropolymer Barrier FRP Duct/Pipe. T. Thickness "T" D Fitting: FRP Fitting Standards. 3. ... View This Document

HVAC Ducting Principles And Fundamentals - PDHonline.com
DUCTWORK DESIGN CONSIDERATIONS 33 11.1 Duct Frictional Resistance 33 11.2 Duct Equivalent Length 35 11.3 Ductwork System Effect 35 11.4 Installation Issues 37 11.5 Ductwork Insulation 38 HVAC Ducting – Principles and Fundamentals . A. BHATIA, B.E. 1.0. INTRODUCTION ... Get Doc

Duct Sealing 8.15.14 Edits - CEMC
The air that moves through the ductwork. Proper duct sealing and duct insulation is an important step in optimizing the performance of your HVAC system. Entire return duct system, except hard pipe seams. 4. Panned joists, wood plenums, wall cavities, and/or other building cavities used as ... Fetch This Document

Duct Fabrication Specifications Duct Construction
Duct Fabrication Specifications & Duct Construction. SUBURBAN SHEET METAL LTD Mailing Address P.O. Box 739 Kennedale, TX 76060 Physical Address Phone (817)478-0801 Fax (817)483-6571 Page 2 of 43 TABLE 1-1 PRESSURE CLASSIFICATION FOR DUCTWORK STATIC PRESSURE CLASS (INCHES (Pa) W.G.) ... Retrieve Doc

Spiral Duct And Fittings - Reed Mechanical
1 Spiral Duct and Fittings From Reed Mechanical Equipment’s Shreveport Warehouse (318) 687-8818 1 (800) 338-5109 All prices are FOB Shreveport, LA (Reed Warehouse) ... Visit Document

Ductwork - MD Anderson Cancer Center
Where approved by Owner, flexible stainless steel ducting can be used in lieu of hard pipe stainless steel at cabinets or hoods For all non insulated duct applications flexible ducting shall be 316TI stainless steel; pressure rated for 12 inches w.g. positive and negative; UL 181, Class 0 air duct rated; Velocity Rated for 5500 fpm. ... Access Doc

Centrifugal Fan - Wikipedia
A centrifugal fan is a mechanical device for moving air or other gases. Lower-speed fans have bearings in hard-to-reach spots, so they use grease-packed bearings. Many turbo blowers use either an air bearing or a magnetic bearing. Fan dampers and vanes. ... Read Article

Dust Collector - Piping Up The Ductwork - YouTube
Plumbing up the ductwork for the dust collection system. Part 3 of this series shows highlights and selected tips and tricks for working with PVC pipe in a dust collection network. Coming in two ... View Video

FlexHead Duct Sprinkler Connections - Flexible Sprinkler Pipe ...
On duct as is mandatory with hard-pipe sprinklers • Preventive maintenance takes 10 minutes—with NO required FAB shutdown—unlike hard-pipe • Flexible hoses allow for independent motion (sway) between duct and water main to compensate for duct vibration and during possible seismic activity—eliminating potential leaks, and allow ... Get Content Here