{"id":416753,"date":"2024-10-20T06:12:26","date_gmt":"2024-10-20T06:12:26","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-4437-42022-tc\/"},"modified":"2024-10-26T11:32:10","modified_gmt":"2024-10-26T11:32:10","slug":"bs-iso-4437-42022-tc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-4437-42022-tc\/","title":{"rendered":"BS ISO 4437-4:2022 – TC"},"content":{"rendered":"

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\n30466577 <\/td>\n<\/tr>\n
41<\/td>\nA-30431934 <\/td>\n<\/tr>\n
42<\/td>\nNational foreword <\/td>\n<\/tr>\n
47<\/td>\nForeword <\/td>\n<\/tr>\n
48<\/td>\nIntroduction <\/td>\n<\/tr>\n
49<\/td>\n1 Scope
2 Normative references <\/td>\n<\/tr>\n
50<\/td>\n3 Terms and definitions
3.1 General <\/td>\n<\/tr>\n
51<\/td>\n3.2 Terms relating to design
4 Symbols and abbreviations
5 Material
5.1 Material for polyethylene parts <\/td>\n<\/tr>\n
52<\/td>\n5.2 Material for non-polyethylene parts
5.2.1 General
5.2.2 Metal parts
5.2.3 Sealing materials
5.2.4 Greases and lubricants
5.2.5 Assembly <\/td>\n<\/tr>\n
53<\/td>\n6 General characteristics
6.1 Appearance of the valve
6.2 Colour
6.3 Design
6.3.1 General
6.3.2 Valve body
6.3.3 Valve ends
6.3.4 Operating device
6.3.5 Seals
7 Geometrical characteristics
7.1 General <\/td>\n<\/tr>\n
54<\/td>\n7.2 Measurement of dimensions
7.3 Dimensions of spigot ends for valves
7.4 Dimensions of valves with electrofusion sockets
7.5 Dimensions of the operating device
8 Mechanical characteristics of assembled valves
8.1 General
8.2 Requirements
8.2.1 General <\/td>\n<\/tr>\n
61<\/td>\n8.2.2 Air flow rate
9 Physical characteristics
9.1 Conditioning <\/td>\n<\/tr>\n
62<\/td>\n9.2 Requirements
10 Performance requirements
11 Technical file <\/td>\n<\/tr>\n
63<\/td>\n12 Marking
12.1 General
12.2 Minimum required marking
12.3 Additional marking <\/td>\n<\/tr>\n
64<\/td>\n13 Delivery conditions <\/td>\n<\/tr>\n
65<\/td>\nAnnex A (normative) Determination of the leaktightness of seat(s) and packing <\/td>\n<\/tr>\n
67<\/td>\nAnnex B (normative) Test method for leaktightness and ease of operation after tensile loading <\/td>\n<\/tr>\n
69<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Tracked Changes. Plastics piping systems for the supply of gaseous fuels. Polyethylene (PE) – Valves<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2022<\/td>\n70<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":416763,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-416753","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/416753","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\/416763"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=416753"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=416753"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=416753"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}