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Abs Guide

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ABS guide
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  ABS PLASTIC PIPE & FITTINGS INFORMATIONAL & TECHNICAL GUIDE  2 ABS Pipe: For Drain, Waste and Vent Applications WHAT IS ABS PIPE? ABS pipe and fittings are made from a thermoplasticresin called Acrylonitrile-Butadiene-Styrene (or ABSfor short). Strict quality control procedures for themanufacturing of ABS resins are practiced throughoutthe industry. In addition, thirdparty certifiers periodi-cally audit resin manufacturers for compliance withapplicable standards and quality control requirements. THE ORIGIN OF ABS PIPE ABS pipe and fittings were srcinally developed inthe early 1950s for use in oil fields and the chemicalindustry. In 1959, John F. Long, a prominent Arizonabuilder, used ABS pipe in an experimental residence,which he built to test the latest ideas in effective,cost-cutting building supplies. Twenty-five years later,an independent research firm dug up and analyzed asection of the drain pipe. The result: no evidence of rot, rust or corrosion.In 1960, the FHAapproved the use of ABS pipe for DWVapplications. Since that time, it has becomethe leading material for DWVapplications becauseit offers an outstanding combination of properties.Contractors have installed more than 10 billion feet of ABS pipe in residential and commercial construction.  ABS PIPE OFFERS MANY ADVANTAGES FOR DWV APPLICATIONS Today, ABS plastic pipe is the standard material for many types of DWVsystems. Its properties make it ideal for residential homes, manufacturedhousing, commercial and industrial buildings, andrecreational vehicles. ãReady availability. Schedule 40 ABS pipe (ABSpipe with the same wall thickness as standard steel pipe)and fittings are readily available through plumbingsupply distributors and other sources. ABS pipe is avail-ablein 1-1/2” diameter, 2”, 3”, 4” and 6” with solidwall or cellular core wall constructions, both of whichcan be used interchangeably. Afull range of fittings(elbows, tees, wyes, couplings and traps) are available. ãLightweight. A3” diameter, 10-foot long sectionof ABS pipe weighs under 10 pounds making it easyto handle. Installers find that less physical effort isrequired in handling ABS pipe, making it easy andquick to assemble. ãEasy installation. Assembly involves a one-stepsolvent cementing process. No threading, no primer,no lead pot and torch required! (See pages 10 to 13for complete installation guidelines.) ãLowercost than cast iron orsteel pipe. ABS pipe is less expensive, foot-for-foot, than metalpipe. In addition, easier installation means fasterinstallation time which results in lower labor costs.ADWVinstallation in a typical two-bath home (withabout 100 joints) can be completed two to six hoursfaster with ABS pipe than with other materials. ãToughness. ABS pipe exhibits out-standing impact resistance which enables itto resist mechanical damage even at -40°Ftemperatures. ABS pipe has the strength towithstand the crushing loads of soil, slabfoundations and high surface loads withoutcollapse. It is also resistant to the impactof accidental abuse common to con-struction and plumbing operations. ãHigh performance at extremetemperatures. The slow rate withwhich heat or cold is absorbedenables ABS pipe to retain its tough-ness during temperature changes –an important quality in a system thathandles both hot and cold wastes.ABS pipe remains rigid during prolonged exposureto high heat such as that associated with a dishwasherdischarging water at 180°F, yet retains its high impactcharacteristics at sub-freezing temperatures. ãResistance to chemicals and corrosion. ABSpipe offers outstanding resistance to most householdchemicals and many corrosive industrial liquids.(See pages 6 and 7 for details on specific chemicals.) ãHigh self-ignition point. With a self-ignition temperature of 871°F, ABS pipe is not a fire hazardin a building. If installed properly, it can be used inhigh-rise fire-resistive construction. (See pages 8and 9 for details on ABS pipe and fire issues.) 3  4 the two when connecting building drains to buildingsewers by using transition cement. Consult local codesand pipe manufacturers for specificinstructions. SPECIFICATION Specifying ABS pipe is a relatively easy task as thepipe wall of Schedule 40 ABS DWVpipe is the samethickness as Schedule 40 (IPS) steel pipe. When preparing specifications, it is important tonote the type of materials to be used in DWVapplica-tions. Architects, mechanical engineers and buildersshould incorporate ABS pipe and fittings into theirspecifications by a reference similar to the following:“All soil lines, waste lines, vents, and building drainsshall be installed with ABS pipe and fittings conform-ingto Schedule 40 ASTM F 628 or ASTM D 2661.All products shall bear the seal of a nationally-recog-nized listing or certifying agency.” ABS Pipe: The Standard for DWV Applications Schedule 40 ABS pipe carries a varietyof informational markings. Cellular-core pipe is marked as shown here; solid pipehas the marking “ASTM D 2661 Schedule40 ABS DWV.”Both types also feature themanufacturer’s code for resin manufacturer,lot number, and date of manufacture, aswell as nominal pipe size and other mark-ings required or permitted by local codes.Fitting markings vary slightly becauseof space limitations. ABS pipe and fittings are recognized by every majorstandards organization and regional code authority in the United States and Canada. In making the ABSresin itself, manufacturers must meet the ASTMrequirements of Cell Classification 4-2-2-2-2 for pipeand 3-2-2-2-2 for fittings; a series of physical propertytesting on the resin. ASTM Standards set strict specifications for thequality of ABS pipe and fittings. Schedule 40 ASTM F 628 and ASTM D 2661 Standards define the require-ments which must be met to be eligible for certificationby listing agencies.With its light weight and unique properties, ABSpiping is easy to install above or below ground. Even so,it’s important that you follow some basic guidelinestoensure a successful installation. Always consult andadhere to local codes that regulate ABS pipe for DWVapplications, and secure the necessary plumbing permits. SELECTION Selecting the proper ABS pipe and fittings is the firststep to a successful installation. ABS pipe and fittingsfor DWVapplications carry a variety of markingsfor easy identification: ASTM and/or CSAstandards,manufacturer’s name and trademark, nominal pipe size,the DWVsymbol, production code, third-party certifi-cation, listing agency logo and any other markingsrequired or permitted by local codes. Pipe is markedon both sides at two-foot intervals; fitting markingsvary slightly because of space limitations.When selecting ABS pipe, be sure to choose“Schedule 40 ABS DWV.” Only Schedule 40 pipeand fittings that conform to nationally recognizedstandards may be marked “ABS DWV.” Mixing of ABS and PVC pipe and fittings within the samesystem is not recommended. However, you can join

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Aug 6, 2018
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