Standard practice for ultrasonic testing of polyethylene. Fuse welding iso 954 peel decohesion test for polyethylene. Astm f1055 standard specification for electrofusion type polyethylene fittings for outside diameter controlled polyethylene and crosslinked polyethylene pex pipe and tubing. All polyethylene pipe and fittings pe80 and pe100 are manufactured in accordance with relevant standards including asnzs 4 and asnzs 4129.
Proper engineering design of a system will take into consideration the type and effectiveness of the techniques used to join the piping components and. It is one of two main techniques for the fusion joining of polyethylene gas and water pipe. Assessment of polyethylene welds plastics industry pipe. The heating phase, sometimes referred to as bead up, is where the pipe ends are pressed against a heated plate for a period of time. The principle of butt fusion is to heat the pipe ends to a designated. Generic butt fsion joining procedure for field joining of. Pipe uac 2000 polyethylene gas pipes are manufactured in accordance with all applicable specifications including astm d25, the standard specification for thermoplastic gas pressure pipe, tubing, and fittings, and by reference. Polyethylene fittings are corrosion resistant and flexible for a range of applications including water supply, irrigation, slurry pipelines, gravity sewer systems, rising mains and trenchless pipelines. A good practice guide for the butt fusion jointing of pe. Generic butt fusion joining procedure for field joining of polyethylene pipe.
Pipe systems are one of the most critical applications for thermoplastics materials with a design lifetime of 50 years and expected lifetime in excess of 100 years. After heating the pipe ends are forced together under pressure and some of the material that was on the original face of the pipe end is rolled out to form the bead. Some also standards for pe pipes as called polyethylene pipe, astm american international standard published by and it has also been adopted compatible with other standards. Density affects many of the physical properties associated with the performance of the finished pipe. To achieve this, there are simple proven techniques for joining pipes during the construction phase. Chapter 5 standard specifications, standad test methods and. Get free 2day shipping on qualified polyethylene pipe products or buy plumbing department products today with buy online pick up in store. This technical specification sets out the requirements for the fabrication and welding of thermoplastics materials that are or are intended to be corporation assets. Hdpe pipes do not support rust and making it indispensable for you. Electron fusion assemblies iso 11414 pipapop003 plastic pipe and fittings butt fusion jointing procedure for polyethylene pe pipe and fittings used in the construction of gas. Hdpe pipe high density polyethylene pipe is hard, light, solid pipe with a smooth inner and outer surface.
Plastics pipe institute handbook of polyethylene pipe. The technique of butt fusion welding polyethylene pipes is extremely forgiving and tolerant. For pipeline welding the following safety fact sheets and the complete 66page ansi z49. Only qualified persons should install, operate, maintain, and. High density polyethylene, or hdpe, pipe is a heavyduty style piping used in physically demanding.
Specifying butt welding of polyethylene pipe systems. Polyethylene pipe pe pipe pe pipe polyethylene pipe has been produced in the world since the mid 1950s. Fusion jointing procedure for polyethylene pe pipe and fittings used in the construction of gas and water distribution systems. Pdf quality assessment of high density polyethylene pipe in. Standard practice for heat fusion joining of polyethylene. The absence of a harmonised welding standard and why this is the case. Pvc liners membranes used to line reinforced concrete pipes shall comply with the requirements of. Specifying butt welding of polyethylene pipe systems plastics. The welding world is growing at an exponential rate. How to fuse large diameter polyethylene pipes with mcelroy fusion machines duration. Pdf developing a procedure for welding thermoplastic seawater. The other half of the pipe and resin samples are tested internally by plants lab personnel. Development of chinese standard on ultrasonic inspection for. Performance pipe to determine if you have the most current edition.
Half of the pipe samples are sent along with the resin to a ntpep designated laboratory for testing. Welder qualification with hdpe electro fusion weld asme. These joints heat the pipe during the joining process, creating a completely homogenous joint so the weld becomes as strong, or stronger than the existing pipe on either side of the weld. List of relevant standards for polyethylene pipe for. They are intended for pe fuel gas pipe per specification d25 and pe potable water, sewer and industrial pipe manufactured per specification f714, specification d3035, and awwa c901 and c906. Welding joining specification thermoplastics ver1 rev5 pdf. Useful links for hdpe pipe installers acutech piping. While all pe piping standards specify minimum material requirements based the on the cell requirements of. I have a question regarding welder qualification performance records procedures for hdpe pipe electrofusion butt weld. For as long as plastic welding has been around many people still do not understand the basics, which is critical to a proper weld. The purpose is to make suggestions which can help in the creation of specifications but is not intended to provide a template for specifications.
Polyethylene is a strong, extremely tough, very durable product which offers long. Pe pipe joining procedures 327 chapter 9 pe pipe joining procedures introduction an integral part of any pipe system is the method used to join the system components. Pdf developing a procedure for welding thermoplastic. Specifying butt welding of polyethylene pipe systems june 2009 this document provides assistance to those involved in preparing specifications for the butt welding of pe pressure pipe systems. Since then, pe use and the number of applications for pe pipe polyethylene pipe has grown enormously, due to its versatility and the advantages it offers over iron, steel and cement systems. Astm f2620 standard practice for heat fusion joining of. After welder test, qualified diameters, thickness range qualified materials i will use hdpe pe 100 sdr 11 which destructive tests should i send to qualify welders.
Pipe welding for product information, owners manual translations, and more, visit. The hdpe pipe fittings can be performed in several ways as described below it should be noted that based. Field welding procedures sunset beach, nc cleveland, nc steel section field welding. It is a method of jointing pipe ends by way of heating and cooling under pressure, resulting in pipe joints as strong as the pipe itself. This polyethylene pipe butt welding machine is available in industry competitive price range. Pop003 references the iso 27 standard plastics pipes and fittings butt fusion. Through its members, awwa develops industry standards for products and processes that advance public health and safety.
Canadian regulations when used to join uponor infra polyethylene gas pipe and fittings, uponor infra fusion joining procedures are qualified in accordance with canadian standards association regulations. Defects are likely to occur in electrofusion joints, which lead to significant casualties and economic losses if pe pipes failed during service. It has the lowest repair frequency per kilometer of pipe per year compared with all other pressure pipe materials used for urban gas distribution. Hynds offer a complete range of polyethylene pipe systems for both pressure and drainage applications. Butt fusion welding is the name given to hot plate welding of thermoplastic pipes. Highly suitable for welding easy installation using buttwelding and.
Transportation of hdpe pipe requires minimum equipment and is easily applied in all field conditions, on ice or in wet floor, marshy areas. These materials are listed with plastics pipe institute ppi as pe340836084710. Useful links for hdpe pipe installers acutech piping systems. Standards for pipes and fittings, joining procedures, testing and equipment are included. The heating phase, sometimes referred to as bead up, is where the pipe ends are. Guidelines for welding thermoplastic materials hot gas hand. This procedure may be used only for single wall pipe materials with maximum pi pe diameter of 48.
In fact, polyethylene pipe has a long and distinguished history of service in the gas, oil, mining and other industries. Physical property data for hdpe polyethylene pipe table 2 for data, sizes, or classes not re. Manual butt fusion, using machines where each step requires a manual. The plastics pipes industry revolves around specifications and standards for the products and test methods to verify performance. Pe fittings complete our polypackage, using electrofusion and butt welding technology for jointing. Polyethylene piping systems plastics pipe institute. I couldnt find any reference in asme standards for. High density polyethylene, or hdpe, pipe is a heavyduty style piping used in physically demanding environments to transport things from water to natural gas on landfills. Astmf2620standard practice for heat fusion joining of polyethylene pipe and fittings 1. Highdensity polyethylene black gas 5 physical properties table 2 lists general physical properties of jm eagle highdensity polyethylene pipe.
Hdpe pipe is extremely durable, and relatively expensive compared to. Hdpe pipe can be joined by butt welding, electrofusion welding, socket welding, or extrusion welding. A listing of the more frequently referenced standards, reports and recommendations is presented in the appendix to this chapter. Safety in welding, cutting, and allied processes ansi z49. List of relevant standards for polyethylene pipe for nuclear piping for safety and nonsafety related applications 1. With each new individual who discovers a passion for the arc, there is a pressing need to develop synchronicity within the industry through the use of standards. Hdpe pipe hdpe 100 pipes and polyethylene piping systems. Jointing procedures for polyethylene pe pipes and fittings. A guide primarily for men and women working with hdpe pipe, whether in landfill gas systems, domestic water supply or otherwise. Polyethylene fitting catalogue hdpe fitting cataloge. When you weld pe, you perform a fusion weld, meaning that you melt the welding rod and base material together polyvances polyethylene welding rod is clear or natural in color. Wsa 012001 polyethylene pipeline code 2001 sai global.
When welding thermoplastics, one of the key components is the material itself. Tips for welding thermoplastics king plastic corporation. There are four general system standards for renovation using plastics piping systems. Awwa also provides quality improvement programs for water and wastewater utilities. Schedule 80 pipe will provide greater factor of safety allowing it to handle much higher design pressures. Developing a procedure for welding thermoplastic seawater piping. Add a teacher note to share how you incorporated it into your lesson.
Properties such as stress crack resistance, tensile strength, and stiffness are all affected by the base resin density of the polymer as shown in table 11. Sspc standards appendix c welding symbols appendix d references, credits and steel section contact information d1. Butt fusion is the most important and widely used method of connection for hdpe pipes larger than 110 mm. Bhatia 5 schedule 80 steel pipes will be heavier and stronger than schedule 40 pipe. Several well established procedures are used for butt fusion welding. Plastics pipe institute handbook of polyethylene pipe the plastics pipe institute handbook of polyethylene pipe is a comprehensive guide to the use of smoothwall hdpe pipe and its applications. Polyethylene the perfect material for welding connections. Process piping fundamentals, codes and standards module 1 a. Summarises the major national, international and uk industry standards which are used for butt fusion, electrofusion and socket fusion welding of polyethylene pipe. Section 2 pressure pipelinesa general guide to water reticulation and sewage pressure mains focussing on polyethylene pipeline selection, design, installation, testing, commissioning and maintenance, as well as advice on electrical safety. Hdpe hdpe pipe hdpe pipe sizes hdpe pipes hdpe welding high density polyethylene horizontal directional drilling hsb hydrostatic stress board mechanical assembly no dig pe pipe pipe bursting. We fabricate this precise engineered polyethylene pipe butt welding machine in tandem with the global quality standards set by the industry. Hdpe fitting cataloge polyethylene fitting catalogue.
Structural welding code steel specification for welding procedure and performance qualification steel water pipe 6 in. Astm f2620 standard practice for heat fusion joining. Astm d303503, standard specification for polyethylene pe plastic pipe drpr based on controlled outside diameter 2. Pipe jm eagles highdensity polyethylene gas pipes are manu. I common thermoplastics and welding techniques ii hot gas air welding 1 the process in general 2 the hot gas air generating equipment 3 material preparation 4 tack welding 5 high speed welding 6 free hand or fan welding 7 weld design. Astms plastic pipe standards are instrumental in specifying, testing, and evaluating the physical, mechanical, design, and installation requirements for plastic, polymeric, or elastomeric pipes, tubing, and fittings, including the seals, threads, and couplings that join them together.
Schedule 80 pipe will use more material and therefore costlier to make and. Polyethylene pipelines require various pe fittings according to type of application. The handbook is available in pdf format at for convenience, we have secured permission. Polyethylene is a thermoplastic, meaning that it can be melted and reshaped with heat.
From onsite fusion services to customized fabricated pipe systems, our highly trained associates are dedicated to helping you finish your projects safely and efficiently. One of the benefits of welding hdpe plastics in smaller applications such as you might find in home plumbing systems is that no weld filler rod is necessary. Standard practice for ultrasonic testing of polyethylene butt. Please contact our company for further information. Standards association csa as well as technical reports trs and technical notes tns published by the plastics pipe institute ppi. Guidelines for welding thermoplastic materials hot gas. All rehabilitation works for water mains using polyethylene liner pipes should now be carried out in accordance with the relevant iso standards. This chapter covers topics relating to pe pipe of solid wall or of. Polyethylene piping for underground fire main systems. Guidelines for welding thermoplastic materials hot gas hand and hot gas extrusion welding. Guidelines for welding thermoplastic materials hot gas hand and hot gas extrusion welding table of contents. They are intended for pe fuel gas pipe in accordance with specification d25 and pe potable water, sewer and industrial pipe manufactured in accordance with specification f714, specification d3035, and.
European welding standards john dyson 15th march 2004. Tests for hdpe pipes it published identified with bar codes and methods and are certified according to the project. Polyethylene pe pipe has been widely used in the transportation natural gas, and electrofusion ef welding is a welding method commonly used in the welding of polyethylene pipes. Jul 17, 2017 welding hdpe, or highdensity polyethylene, is a normal procedure for joining lengths of pipe together, whether it be for industrial or home use. With over 40 years of experience in polyethylene pipe fusion, ferguson is an industry leader in comprehensive fusion solutions for hdpe and ppr pipe. Pipe pile welding procedurewps 3 31 thru 34 concrete girder sole plate welding procedure wps 4 41 thru 43. Plastics pipe institute ppi as pe 24062708 mediumdensity polyethylene.
Wps data sheets will be added for each type of plastic pipe, i. Polyethylene, including pressure pipe and flexible liner materials. An additional stick of pipe is set aside from this lot for the. Plastics piping systems for renovation of underground nonpressure drainage and sewerage networks.
Although high density polyethylene hdpe and medium density polyethylene mdpe materials are most commonly used, the procedures described may apply to other types of polyethylene. Section 3 nonpressure sewerage pipelinesa general guide to gravity sewers focussing on polyethylene pipeline. International standards that apply to hdpe pipe installation. Of these, butt fusion welding has been shown to consistently deliver quality pipe joints under a broad range of construction situations.
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