Hdpe fusion welding procedure

• [DOCX File]00000

  https://info.5y1.org/hdpe-fusion-welding-procedure_1_f07921.html

  Socket-fusion, extrusion welding or hot gas welding of HDPE shall not be used for pressure pipe applications. Flanges, unions, grooved-couplers, transition fittings, and some mechanical couplers may be used to mechanically connect HDPE pipe without butt-fusion, if specified in the Contract Documents and approved by the manufacturer.

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• [DOC File]SECTION 15181 - Government of New York

  https://info.5y1.org/hdpe-fusion-welding-procedure_1_1a1cc6.html

  Sep 20, 2018 · 1. Record in detail, and qualify the Welding Procedure Specifications for every welding procedure that is proposed to be used for the Project. 2. Develop procedures for all metals included in the work. 3. Qualify the procedures for making transition welds between different materials, or between plates or pipes of different wall thickness. 4.

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• [DOC File]State of California

  https://info.5y1.org/hdpe-fusion-welding-procedure_1_a6e6ba.html

  Section 6.1 – Removed reference to “HDPE” and hot plate temperature setting to allow fusion welding with other materials. Section 6.3 – Added suggested vented enclosure operating requirements and tolerances. Section 7 – Calibration Procedure

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• HDPE and LDPE Liners - USDA

  The primary method of seaming shall be hot shoe fusion welding. Fillet extrusion welding shall be used for repairs, T-seams, and detail work. ... The vacuum box equipment and test procedure shall conform to ASTM D5641 and this specification and the liner manufacturer's specifications. ... HDPE embed channel and welding rod shall have the same ...

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• Construction Specification 97—HDPE and LLDPE Liner

  Before fusion welding or extrusion welding, all areas that are to become seam interfaces shall be cleaned of dust and dirt. ... The vacuum box equipment and test procedure shall conform to this specification and the liner manufacturer's specifications. ... Embed channel—HDPE embed channel shall meet Material Specification 594 and be installed ...

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• [DOC File]1 - Poly-Flex

  https://info.5y1.org/hdpe-fusion-welding-procedure_1_22b334.html

  Geomembrane panels must have a finished minimum overlap of 4 inches for fusion welding and 6 inches for extrusion welding. Cleaning solvents may not be used unless the product is approved by the liner manufacturer. 3.4.2 Test Seams. Field test seams shall be conducted on the liner to verify that seaming conditions are satisfactory.

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• [DOC File]Rulemaking Informal: 2003-05-08 Draft Evaporative Emission ...

  https://info.5y1.org/hdpe-fusion-welding-procedure_1_965d85.html

  After the fuel temperature has equilibrated to 40º C ± 2º C, seal the tank by fusion welding a HDPE coupon over the fuel fill neck opening to make a seal. Perform a leak check by submerging each tank in a water bath large enough to completely cover the tank plus six inches.

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• [DOC File]Thermacor Process Inc. | Pre-insulated Piping Systems

  https://info.5y1.org/hdpe-fusion-welding-procedure_1_b0a92a.html

  When practical, piping shall be provided in 40-foot double-random lengths. All HDPE piping shall have ends cut square in preparation for butt fusion welding. 3.2 Carrier pipe joining. shall be accomplished using an authorized butt fusion welding machine preheated to the correct pipe temperature for fusion welding.

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