High Density Polyethylene lined metallic pipe has existed since 1963. This Revision is to add HDPE as a specified liner material for metallic pipe, and to correct this extended oversight. The new ASME Standard for Thermoplastic pipe includes lined metallic pipe in it, and cites ASTM F1545 as the reference standard. HDPE lined metallic pipe is included in the new ASME Code, and thus must be added to F1545. The other companies who make polymeric lined metallic pipe are in support of this HDPE addition ( Resistoflex, etc...).
Keywordsplastic-lined ferrous metal fittings; plastic-lined ferrous metal flanges; plastic-lined ferrous metal pipe; Corrosive service applications--plastics; Ferrous metal pipe and fittings; Plastic-lined ferrous metal pipe/fittings/flanges--specifications
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