TECHNICAL MANUAL - Sharq.biz

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welder qualification and welding processSALDATUREUNIPLASTClassification and qualification of welders for plastic materialsWelders by the heated tool procedure, with mechanical equipment andby electrofusion for pipes and fittings ofpolyethylene for the supply of gaseous fuels, water and others fluidsunder pressureUNI 9737UNIPLASTPlastics welding personnel - Qualification testing of welders -Thermoplastics welder assembliesUNI EN 13067SALDATUREUNIPLASTWelding of plastic materials - Heated tool butt welding. Welding ofpolyethylene pipes and/or fittings for gas, water and others pressurefluids pipelinesUNI 10520SALDATUREUNIPLASTWelding of plastics materials - Electrofusion welding. Welding ofpolyethylene pipes and/or fittings for gas, water and others pressurefluids pipelinesUNI 10521SALDATUREUNIPLASTCoordination of welding, pipe laying and test activities for polyethylenetransmission lines of gaseous fuels, water and other fluids underpressure.Tasks and responsabilities, requirements for training, qualification andcertification of personnelUNI 10761pipeline layingMinisterodello SviluppoEconomicoTechnical rules for design, construction, testing, operating andsurveillance of the works and distribution systemsand direct lines of natural gas with density not higher than 0,8.D.M.16 aprile 2008CIGGas distribution pipelines with maximum operating pressure notexceeding 0,5 Mpa (5 bar)Materials and jointing systemsUNI 9034CIGGas distribution networks. Pipeworks with maximum working operatingpressure up to 5 barDesign, construction, testing, operation, maintenance and rehabilitationUNI 916514
CIGTransport and supply of gas – Pipeworks with maximum workingoperating pressure not exceeding 16 bar – General functionalrecommendationsUNI EN12007-1CIGTransport and supply of gas - Pipeworks with maximum workingoperating pressure not exceeding 16 bar – Specific functionalrecommendations for polyethylene pipelines (maximum operatingpressure MOP not exceeeding 10 bar)UNI EN12007-2CIGGas service pipelines. Design, construction, testing, operation,maintenance and rehabilitationUNI 9860Ministerodello SviluppoEconomicoDirection of article 11-quaterdecies, comma 13 letter a) Law n. 248 dd2nd December 2005 relative to the plant installation activities inside thebuildings.D.M. n. 3722 gennaio 2008CIGGas plants for domestics and similar use fed by network distribution.Design and installationUNI 7129Ministerodei LavoriPubbliciTechnical standards regarding pipelinesRegulation of design, construction and testingD.M.12 dicembre 1985UNIPLASTLaying and general test and inspection of polyethylene piping systemsfor the transport of pressure liquidsUNI 11149CENWater supply - Requirements for systems and components outsidebuildingsUNI EN 805UNIPLASTPlastic pipeline systems. Water distribution and sewarage pipelinesoutside buildingsPractices for installation above and below ground.UNI ENV1046PolitecnicoMilanoPolyehtylene pipelines for water supplyEd. Marzo2005UNIFire fighting equipment - Hydrant systems. Design, installation andoperationUNI 1077915
Page 4 and 5: The content of this manual is updat
Page 7 and 8: tablesrelationship between SDR, ser
Page 9: pipe/fitting dimensionsUNI EN 12201
Page 12: training courseswelders classificat
Page 15: standard referencesThe references g
Page 19 and 20: jointing systemsThe most important
Page 21 and 22: transition systemsThe metal/PE fitt
Page 23 and 24: uttfusion jointing“Welding with h
Page 25 and 26: external nominal diameter[d n ]cont
Page 27 and 28: welding cycle at single pressureY(P
Page 30: phase 3removal of the heating plate
Page 33 and 34: synoptic tablephases and parameters
Page 35 and 36: phase 1hauling and pre-heatingPosit
Page 37 and 38: synoptic tablephases and parameters
Page 39: automatic buttfusion machinesThe st
Page 42 and 43: Visually check that the pipes are f
Page 44 and 45: cleaningJust before the jointing wi
Page 46 and 47: weldingConnect the plugs of the con
Page 48 and 49: scrapingClean the pipe from dust, d
Page 50 and 51: coolingThe cooling time of the join
Page 52 and 53: automatic reading systemsof the wel
Page 54 and 55: polyvalent ef unitThe electrofusion
Page 56 and 57: ancillary equipmentaligning clamp
Page 59 and 60: inspection of weldedjointingsEither
Page 61 and 62: electrofusion welding UNI 10521visu
Page 63 and 64: uncorrect pipe cutuncorrect pipe cu
Page 65 and 66: transport and storageThe guidelines
Page 67:
uttfusion fittingsThese items are g
Page 70 and 71:
The laying of polyethylene pipes ou
Page 72 and 73:
water pipelinesThe reference standa
Page 74 and 75:
gas and water pipeline layingThe in
Page 76 and 77:
signalsIt is necessary to lay over
Page 78 and 79:
gas installation for domestic usesu
Page 80 and 81:
testing procedureThe testing proced
Page 82:
Edition September 2010
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