{"id":313202,"date":"2024-10-19T21:33:22","date_gmt":"2024-10-19T21:33:22","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-4427-22019-tc\/"},"modified":"2024-10-25T19:37:37","modified_gmt":"2024-10-25T19:37:37","slug":"bs-iso-4427-22019-tc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-4427-22019-tc\/","title":{"rendered":"BS ISO 4427-2:2019 &#8211; TC"},"content":{"rendered":"<p><label>1<\/label><\/p>\n<p>This document specifies the pipes made from polyethylene (PE) for buried or above ground applications, intended for the conveyance of:<\/p>\n<ul>\n<li><label>\u2014<\/label>\n<p>water for human consumption;<\/p>\n<\/li>\n<li><label>\u2014<\/label>\n<p>raw water prior to treatment;<\/p>\n<\/li>\n<li><label>\u2014<\/label>\n<p>drainage and sewerage under pressure;<\/p>\n<\/li>\n<li><label>\u2014<\/label>\n<p>vacuum sewer systems;<\/p>\n<\/li>\n<li><label>\u2014<\/label>\n<p>water for other purposes.<\/p>\n<\/li>\n<\/ul>\n<div class=\"non-normative-note\">\n<div class=\"note-label\">\n   NOTE&nbsp;1\n  <\/div>\n<p>The intended uses include sea outfalls, laid in water and pipes suspended below bridges.<\/p>\n<\/p><\/div>\n<p>Pipes complying with this document are not intended for the transport of water intended for human consumption in contaminated soils unless special consideration has been taken.<\/p>\n<div class=\"non-normative-note\">\n<div class=\"note-label\">\n   NOTE&nbsp;2\n  <\/div>\n<p>For example, <span class=\"std\"> <span class=\"std-ref\">ISO&nbsp;21004<\/span> <\/span> provides an alternative solution for use in contaminated soils. See Reference&nbsp;[ <span class=\"xref\">3<\/span>] in the Bibliography.<\/p>\n<\/p><\/div>\n<p>This document specifies three types of pipe:<\/p>\n<ul>\n<li><label>\u2014<\/label>\n<p>PE pipes (outside diameter <i>d<\/i> <sub>n<\/sub>), including any identification stripes;<\/p>\n<\/li>\n<li><label>\u2014<\/label>\n<p>PE pipes with co-extruded layers on either or both the outside and\/or inside of the pipe (total outside diameter&nbsp; <i>d<\/i> <sub>n<\/sub>) where all layers have the same MRS rating;<\/p>\n<\/li>\n<li><label>\u2014<\/label>\n<p>PE pipes (outside diameter <i>d<\/i> <sub>n<\/sub>) having a peelable and contiguous thermoplastics additional layer on the outside of the pipe (\u201ccoated pipe\u201d) .<\/p>\n<\/li>\n<\/ul>\n<p>This document also specifies the test parameters for the test methods referred to in this document.<\/p>\n<p>In conjunction with the other parts of the <span class=\"std\"> <span class=\"std-ref\">ISO&nbsp;4427&nbsp;series<\/span><\/span>, this document is applicable to PE pipes, their joints and to joints with components made of PE and other materials, intended to be used under the following conditions:<\/p>\n<ol type=\"a\">\n<li><label>a)<\/label>\n<p>a maximum allowable operating pressure (PFA) up to and including 25&nbsp;bar <span class=\"xref\"> <sup>1<\/sup> <\/span><\/p>\n<div class=\"fn\" id=\"fn_1\">\n<div class=\"fn-label\">\n     <sup>1<\/sup>\n    <\/div>\n<p>1&nbsp;bar&nbsp;=&nbsp;0,1&nbsp;MPa&nbsp;=&nbsp;10 <sup>5<\/sup>&nbsp;Pa; 1&nbsp;MPa&nbsp;=&nbsp;1&nbsp;N\/mm <sup>2<\/sup>.<\/p>\n<\/p><\/div>\n<p>; <\/li>\n<li><label>b)<\/label>\n<p>an operating temperature of 20&nbsp; <i>\u00b0<\/i>C as the reference temperature.<\/p>\n<\/li>\n<\/ol>\n<div class=\"non-normative-note\">\n<div class=\"note-label\">\n   NOTE&nbsp;3\n  <\/div>\n<p>For other operating temperatures, guidance is given in <span class=\"std\"> <span class=\"std-ref\">ISO&nbsp;4427-1:2019<\/span>, Annex&nbsp;A<\/span>.<\/p>\n<\/p><\/div>\n<p>This document covers a range of maximum allowable operating pressures and gives requirements concerning colours.<\/p>\n<div class=\"non-normative-note\">\n<div class=\"note-label\">\n   NOTE&nbsp;4\n  <\/div>\n<p>It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and installation practices or codes.<\/p>\n<\/p><\/div>\n<h4>PDF Catalog<\/h4>\n<table border=\"1px\" class=\"des-table\">\n<tr>\n<th>PDF Pages<\/th>\n<th>PDF Title<\/th>\n<\/tr>\n<tr>\n<td><b>1<b><\/td>\n<td>compares BS ISO 4427-2:2019  <\/td>\n<\/tr>\n<tr>\n<td><b>2<b><\/td>\n<td>TRACKED CHANGES <br \/> Text example 1 \u2014 indicates added text (in green)  <\/td>\n<\/tr>\n<tr>\n<td><b>40<b><\/td>\n<td>undefined  <\/td>\n<\/tr>\n<tr>\n<td><b>44<b><\/td>\n<td>Foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>45<b><\/td>\n<td>Introduction  <\/td>\n<\/tr>\n<tr>\n<td><b>47<b><\/td>\n<td>1 Scope  <\/td>\n<\/tr>\n<tr>\n<td><b>48<b><\/td>\n<td>2 Normative references <br \/> 3 Terms and definitions  <\/td>\n<\/tr>\n<tr>\n<td><b>49<b><\/td>\n<td>4 Symbols and abbreviated terms <br \/> 5 Material <br \/> 5.1 Compound <br \/> 5.2 Identification compound <br \/> 5.3 Reprocessed and recycled material <br \/> 6 General characteristics <br \/> 6.1 Appearance <br \/> 6.2 Colour  <\/td>\n<\/tr>\n<tr>\n<td><b>50<b><\/td>\n<td>6.3 Effect on water quality <br \/> 7 Geometrical characteristics <br \/> 7.1 Measurements <br \/> 7.2 Mean outside diameter and out-of-roundness (ovality)  <\/td>\n<\/tr>\n<tr>\n<td><b>52<b><\/td>\n<td>7.3 Wall thicknesses and their tolerances  <\/td>\n<\/tr>\n<tr>\n<td><b>56<b><\/td>\n<td>7.4 Coiled pipe <br \/> 7.5 Lengths <br \/> 8 Mechanical characteristics <br \/> 8.1 Conditioning <br \/> 8.2 Requirements  <\/td>\n<\/tr>\n<tr>\n<td><b>58<b><\/td>\n<td>8.3 Retest in case of failure at 80 \u00b0C <br \/> 9 Physical characteristics <br \/> 9.1 Conditioning <br \/> 9.2 Requirements  <\/td>\n<\/tr>\n<tr>\n<td><b>59<b><\/td>\n<td>10 Chemical characteristics of pipes in contact with chemicals <br \/> 11 Performance requirements  <\/td>\n<\/tr>\n<tr>\n<td><b>60<b><\/td>\n<td>12 Marking <br \/> 12.1 General <br \/> 12.2 Minimum required marking of pipes  <\/td>\n<\/tr>\n<tr>\n<td><b>61<b><\/td>\n<td>Annex A (normative)  Pipes with co-extruded layers  <\/td>\n<\/tr>\n<tr>\n<td><b>63<b><\/td>\n<td>Annex B (normative)  Pipes with peelable layer  <\/td>\n<\/tr>\n<tr>\n<td><b>65<b><\/td>\n<td>Annex C (informative)  Relationship between PN, MRS, S and SDR  <\/td>\n<\/tr>\n<tr>\n<td><b>66<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Tracked Changes. Plastics piping systems for water supply, and for drainage and sewerage under pressure. Polyethylene (PE) &#8211; Pipes<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2020<\/td>\n<td>68<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":313207,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1277,2641],"product_tag":[],"class_list":{"0":"post-313202","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-91-140-60","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/313202","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/313207"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=313202"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=313202"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=313202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}