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适用范围：<p id="s00002">1.1 This specification covers polyethylene (PE) pipe made in dimensions based on outside diameters of 90 mm (3.500 in.) and larger.</p> <p id="s00003">1.2 Three standard outside diameter sizing systems are detailed: one known as the ISO metric system, one known as the IPS system, and the other known as the DIPS system. See 5.2.5 for guidelines for special sizes. </p> <p id="s00004">1.3 The piping is intended for new construction and insertion renewal of old piping systems used for the transport of water, municipal sewage, domestic sewage, industrial process liquids, effluents, slurries, etc., in both pressure and nonpressure systems.</p> <p class="desc" id="N00001"> <span class="smallcap">Note</span> 18212;The user should consult the manufacturer to ensure that any damage to the polyethylene pipe caused by the material being transported will not affect the service life beyond limits acceptable to the user.</p> <p id="s00005">1.4 All pipes produced under this specification are pressure-rated. See Appendix X5 for information on pressure rating.</p> <p class="desc" id="N00002"> <span class="smallcap">Note</span> 28212;References and material descriptions for PE2406, PE3406, PE3408 and materials having a HDB of 1450 psi have been removed from Specification F714 due to changes in Specification <a href="http://myastm.astm.org/SUBSCRIPTION/NewValidateSubscription.cgi?D3350-HTML">D3350</a> and PPI TR-3. For removed designations, refer to previous editions of Specification F714, Specification <a href="http://myastm.astm.org/SUBSCRIPTION/NewValidateSubscription.cgi?D3350-HTML">D3350</a>, PPI TR-3 and PPI TR-4. The removal of these materials does not affect pipelines that are in service. See Notes 9.</p> <p id="s00006">1.5 This specification includes criteria for choice of raw material, together with performance requirements and test methods for determining conformance with the requirements.</p> <p id="s00007">1.6 Quality-control measures are to be taken by manufacturers. See Appendix X4 for general information on quality control.</p> <p id="s00008">1.7 In referee decisions, the SI units shall be used for metric-sized pipe and inch-pound units for pipe sized in the IPS system (ANSI B36.10) and DIPS system. In all cases, the values given in parentheses are provided for information only. </p> <p id="s00009">1.8 <span class="italic"><span class="med">The following safety hazards caveat pertains only to the test methods portion, Section 6, of this specification: </span><span class="italic">This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.</span></span>