{"id":313081,"date":"2024-10-19T21:32:43","date_gmt":"2024-10-19T21:32:43","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-4427-12019\/"},"modified":"2024-10-25T19:36:09","modified_gmt":"2024-10-25T19:36:09","slug":"bs-iso-4427-12019","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-4427-12019\/","title":{"rendered":"BS ISO 4427-1:2019"},"content":{"rendered":"<p><label>1<\/label><\/p>\n<p>This document specifies the general aspects of polyethylene (PE) compounds for the manufacture of pressure pipes and fittings (mains and service pipes) 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<p>This document also specifies the test parameters and requirements for the test methods referred to in this document.<\/p>\n<p>In conjunction with 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 and fittings, 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;\u00b0C as the reference temperature.<\/p>\n<\/li>\n<\/ol>\n<div class=\"non-normative-note\">\n<div class=\"note-label\">\n   NOTE&nbsp;1\n  <\/div>\n<p>For other operating temperatures, guidance is given in <span class=\"xref\">Annex&nbsp;A<\/span>.<\/p>\n<\/p><\/div>\n<p>The <span class=\"std\"> <span class=\"std-ref\">ISO&nbsp;4427&nbsp;series<\/span><\/span> 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;2\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>2<b><\/td>\n<td>National foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>6<b><\/td>\n<td>Foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>Introduction  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>1 Scope <br \/> 2 Normative references  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>3 Terms and definitions <br \/> 3.1 Geometrical terms  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>3.2 Material terms <br \/> 3.3 Terms related to material characteristics  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>3.4 Terms related to service conditions <br \/> 3.5 Terms related to joints  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>4 Symbols and abbreviated terms <br \/> 4.1 Symbols <br \/> 4.2 Abbreviated terms  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>5 Material <br \/> 5.1 Material of the component <br \/> 5.2 Compound <br \/> 5.2.1 Additives and pigments <br \/> 5.2.2 Colour  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>5.3 Physical characteristics of the compound <br \/> 5.3.1 Characteristics of the compound in the form of granules  <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>5.3.2 Characteristics of the compound in the form of pipe  <\/td>\n<\/tr>\n<tr>\n<td><b>20<b><\/td>\n<td>5.4 Fusion compatibility  <\/td>\n<\/tr>\n<tr>\n<td><b>21<b><\/td>\n<td>5.5 Classification and designation <br \/> 6 Effects on water quality  <\/td>\n<\/tr>\n<tr>\n<td><b>22<b><\/td>\n<td>Annex\u00a0A (informative)  Pressure reduction coefficient  <\/td>\n<\/tr>\n<tr>\n<td><b>23<b><\/td>\n<td>Annex\u00a0B (informative)  Resistance to rapid crack propagation  <\/td>\n<\/tr>\n<tr>\n<td><b>25<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Plastics piping systems for water supply and for drainage and sewerage under pressure. Polyethylene (PE) &#8211; General<\/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>2019<\/td>\n<td>26<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":313089,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1277,2641],"product_tag":[],"class_list":{"0":"post-313081","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\/313081","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\/313089"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=313081"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=313081"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=313081"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}