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Installation Procedures for ABS, PVC and CPVC Piping Systems

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Installation Procedures for ABS, PVC and CPVC Piping Systems INSTALLATION PROCEDURES Installation Procedures for ABS, Cutting, Joint Preparation and Solvent PVC and CPVC Piping Systems Cement The tools, cleaner, primer, solvent cement and techniques re- The following information contains suggested installation quired to properly join plastic piping systems are dependant and testing procedures. These instructions, however, do not upon application, pipe diameter and weather conditions. encompass all of the requirements for the design or installa- Charlotte Pipe and Foundry recommends that installers be tion of a piping system. trained and pass the ASME B 31.3 Bonder Qualification • Systems should be installed in a good and workmanlike Test. manner consistent with normal industry standards and Please see the Special Considerations section of this manual in conformance with all applicable plumbing, fire and for additional information. building code requirements. This installation manual provides direction for the installa- • Pipe and fitting systems should be used for their intended tion of the following piping systems: purpose as defined by local plumbing and building codes and the applicable ASTM standard. • ½” – 2” FlowGuard Gold® and ReUze® CTS CPVC pipe and fitting systems with one step solvent cement. • Follow manufacturers’ instructions for all products. • ½” – 4” Iron Pipe Size ABS, PVC and CPVC pipe and PVC, CPVC and ABS piping systems may be joined by sol- fitting systems with two step solvent cement. vent cementing, with threaded connections, flanges or roll grooving. Detail on each of these joining systems is provided • 6” Iron Pipe Size and larger ABS, PVC and CPVC pipe within the following pages. When applicable, Charlotte Pipe and fitting systems with two step solvent cement. recommends socket (solvent cement) joining for PVC, CPVC and ABS piping systems. To reduce the risk of death or serious injury from an explo- Failure to follow safety precautions may result in sion, collapse or projectile hazard and to reduce the risk of misapplication or improper installation and testing which property damage from a system failure: can cause severe personal injury and / or property damage. • Always follow the warnings and procedures provided in this manual. • Only use PVC/ABS/CPVC pipe and fitting for the conveyance of fluids as defined within the applicable ASTM standards. • Never use PVC/ABS/CPVC pipe and fittings for the Do not use for SPUD GUNS, FLAMETHROWERS, or conveyance of gasses. COMPRESSED AIR GUNS. May result in property damage, • Never use PVC/ABS/CPVC pipe or fittings in structural injury or death. Use only for fluid handling / plumbing application or in any load-bearing applications. applications. • Never strike the pipe or fittings or drive them into the ground or into any other hard substance. • Using an external heat source to bend PVC, CPVC, or ABS may result in structural damage to pipe and fittings. • Always make changes in direction with fittings. 81 INSTALLATION PROCEDURES Plastics Technical Manual FlowGuard Gold® and ReUze® CTS 4. Dry Fit Installation Procedures • With light pres- 4 sure, pipe should 1. Cut Pipe go one half to two thirds of the way • Cut pipe square 1 into the fitting with the axis. All hub. Pipe and joints are sealed fittings that are at the base of the too tight or too fitting hub. An loose should not angled cut may be used. result in joint fail- ure. • Acceptable tools 5. Applicator include ratchet • Use an applicator 5 type pipe cutter, that is one half miter saw or wheel type pipe cutter. Wheel type pipe the size of the cutters must employ a blade designed to cut plastic pipe. pipe’s diameter. Ratchet cutters should be sharpened regularly. • Too large an ap- • If any indication of damage or cracking is evident at the plicator will force tube end, cut off at least 2” of pipe beyond any visible excess primer or cracks. cement into the 2. Remove Burrs inside of the fit- and Bevel ting. Too small 2 an applicator will • Remove all pipe not apply suffi- burrs from inside cient cement. and outside diam- eter of pipe with a 6. Coat Surface knife edge, file or with Cement 6 de-burring tool. • Stir or shake the • Chamfer (bevel) cement prior to the end of the use. pipe 10° - 15°. • Apply a full even 3. Clean and Dry layer of cement to Pipe and the pipe surface Fittings 3 to a point ½” beyond the hub • Remove surface depth. Aggres- dirt, grease or sively work the moisture with a cement into the clean dry cloth. surface. • Without re-dip- ping the applica- tor in the cement, apply a thin layer of cement to the fitting socket ag- gressively work- ing it into the sur- face. 82 INSTALLATION PROCEDURES • Do not allow cement to puddle or accumulate inside the • Remove excess system. cement from the exterior. A prop- • Solvent cement should conform to ASTM F 493 as erly made joint shown in the accompanying table. All purpose cement will show a con- is not recommended. tinuous bead of • Primer is not required for FlowGuard Gold® one-step ce- cement around ment, but may be used. Check local code requirements. the perimeter. If voids appear suf- 7. Join Pipe and ficient cement Fittings may not have 7 been applied and • Assemble pipe joint failure may and fittings quick- result. ly while cement is fluid. If cement has hardened, cut pipe, dispose of fitting and start over. Primers and cements are extremely flammable and may be • Insert pipe into explosive. Do not store or use near open flame or elevated fitting hub giving temperatures, which may result in injury or death. a quarter turn ensuring an even distribution of cement • Solvent fumes created during the joining process are within the joint. heavier than air and may be trapped in newly installed piping systems. • Once the pipe contacts the socket bottom hold pipe and • Ignition of the solvent vapors caused by spark or flame fitting together until the pipe does not back out. may result in injury or death from explosion or fire. • Align all piping system components properly without • Read and obey all manufacturers' warnings and any instructions pertaining to primers and cements. strain. Do not bend or pull pipe into position after being • Provide adequate ventilation to reduce fire hazard and solvent welded. to minimize inhalation of solvent vapors when working • See table for recommended set and cure times. with cements, primers and new piping systems. 83 INSTALLATION PROCEDURES Plastics Technical Manual ABS, PVC and CPVC Iron Pipe Size 3. Clean and Dry Pipe and Installation Procedures Fittings 3 1/2” – 4” Iron Pipe Size ABS, PVC and CPVC • Remove surface Pipe and Fitting Systems dirt, grease or moisture with a 1. Cut Pipe clean dry cloth. • Cut pipe square 1 with the axis. All joints are sealed at the base of the 4. Dry Fit fitting hub. An angled cut may • With light pres- result in joint sure, pipe should failure. go one half to two 4 thirds of the way • Acceptable tools into the fitting include ratchet hub. Pipe and type pipe cutter, fittings that are miter saw, reciprocating saw, mechanical cut off saw too tight or too with carbide tipped blade or wheel type pipe cutter. loose should not Wheel type pipe cutters must employ a blade designed be used. to cut plastic pipe. Ratchet cutters should be sharpened regularly. • If any indication of damage or cracking is evident at the pipe end, cut off at least 2” of pipe beyond any visible 5. Applicator cracks. • Use an applicator that is one half the size of the pipe’s 2. Remove Burrs diameter. Daubers, natural bristle brushes or swabs are and Bevel 2 recommended. Rollers are not recommended. • Remove all pipe • Too large an applicator will force excess primer or ce- burrs from inside ment into the inside of the fitting. Too small an applica- and outside diam- tor will not apply sufficient cement. eter of pipe with a knife edge, file or 6. Coat Surface de-burring tool. with Primer 6 • Apply primer to the fitting sock- et aggressively working it into the surface. • Chamfer (bevel) the end of the pipe 10° - 15°. 84 INSTALLATION PROCEDURES • Apply primer to • Without re-dip- the pipe surface ping the applica- to a point ½” tor in the cement, beyond the hub apply a medium depth. Aggres- layer of cement to sively work the the fitting sock- primer into the et aggressively surface. working it into the surface. On bell end pipe do not coat beyond the socket depth. • Apply a second • Apply a second coat of primer to full coat of ce- the fitting sock- ment to the pipe et aggressively surface aggres- working it into sively working it the surface. in. • Do not allow ce- ment to puddle or accumulate inside the system. • Solvent cement should conform to • More applications of primer may be required on hard the appropriate ASTM standard for the piping system as surfaces or cold weather conditions. shown in the accompanying table. All purpose cement is • Once the surface is primed remove all puddles of excess not recommended primer from the fitting socket. 8. Join Pipe and Fittings • Primer should conform to ASTM F 656. 8 • Assemble pipe • The use of primer for ABS is not recommended. Check and fittings local code requirements. quickly while ce- 7. Coat Surface ment is fluid. If with Cement cement has hard- 7 ened, cut pipe, • Cement must be dispose of fitting applied while and start over. primer is wet. • Insert pipe into • Stir or shake the the fitting hub cement prior to giving a quarter turn as the pipe is being inserted, ensur- use. ing an even distribution of the cement within the joint.
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