{"id":410995,"date":"2024-10-20T05:43:05","date_gmt":"2024-10-20T05:43:05","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iso-28921-12022-tc\/"},"modified":"2024-10-26T10:32:41","modified_gmt":"2024-10-26T10:32:41","slug":"bs-en-iso-28921-12022-tc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iso-28921-12022-tc\/","title":{"rendered":"BS EN ISO 28921-1:2022 – TC"},"content":{"rendered":"

This document specifies requirements for design, dimensions, material, fabrication and production testing of gate, globe, ball\/plug and butterfly valve design types used as isolation valves and check valves for low-temperature applications. This document is applicable to isolation valves for use in low and cryogenic temperature service where the design low-temperature service is -50 \u00b0C down to \u2013196 \u00b0C. This document does not apply to valves for cryogenic services, designed in accordance with ISO 21011, used with cryogenic vessels. Where the requirements of this document vary from those given in the valve product standards, the requirements of this document apply. This document is applicable to valves with body, bonnet, bonnet extension or cover made of metallic materials. This document is applicable to: \u2014    valves of nominal sizes DN: 10; 15; 20; 25; 32; 40; 50; 65; 80; 100; 125; 150; 200; 250; 300; 350; 400; 450; 500; 600; 650; 700; 750; 800; 850; 900; 950; 1 000; 1 050; 1 200; 1 350; 1 400; 1 500; 1 600; 1 650; 1 800, \u2014    corresponding to nominal pipe sizes NPS: ?; \u00bd; \u00be; 1; 1 \u00bc; 1 \u00bd; 2; 2 \u00bd; 3; 4; 5; 6; 8; 10; 12; 14; 16; 18; 20; 24; 26; 28; 30; 32; 34; 36; 38; 40; 42; 48; 54; 56; 60; 64; 66; 72, and applies to pressure designations: \u2014    PN 16; 25; 40; 100; 160; 250; 400, \u2014    Class 150; 300; 600; 800; 900; 1 500; 2 500. NOTE       Not all type and size combination are available in all pressure ratings. This document does not apply to safety valves and control valves.<\/p>\n

PDF Catalog<\/h4>\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>\n30459201 <\/td>\n<\/tr>\n
51<\/td>\nA-30402417 <\/td>\n<\/tr>\n
52<\/td>\nundefined <\/td>\n<\/tr>\n
56<\/td>\nForeword <\/td>\n<\/tr>\n
57<\/td>\nIntroduction <\/td>\n<\/tr>\n
59<\/td>\n1 Scope
2 Normative references <\/td>\n<\/tr>\n
60<\/td>\n3 Terms and definitions <\/td>\n<\/tr>\n
63<\/td>\n4 Requirements
4.1 Materials
4.1.1 General
4.1.2 Metallic materials
4.1.3 Internal non-metallic materials
4.2 Design
4.2.1 General <\/td>\n<\/tr>\n
64<\/td>\n4.2.2 Body\/bonnet wall thickness
4.2.3 Valve body extension and extended bonnet <\/td>\n<\/tr>\n
69<\/td>\n4.2.4 Stem
4.2.5 Seats and seating surfaces
4.2.6 Provision for internal pressure relief <\/td>\n<\/tr>\n
70<\/td>\n4.2.7 Operating means
4.2.8 Electric continuity and fire-safe design
5 Testing
5.1 Production testing with low-temperature test
5.2 Type-testing <\/td>\n<\/tr>\n
71<\/td>\n6 Sampling
6.1 Lot requirements
6.2 Sample size
6.3 Lot acceptance
7 Marking, labelling and packaging <\/td>\n<\/tr>\n
73<\/td>\nAnnex A (normative) Test procedure for production testing of valves at low temperature <\/td>\n<\/tr>\n
83<\/td>\nAnnex B (informative) Low-temperature test record <\/td>\n<\/tr>\n
85<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Tracked Changes. Industrial valves. Isolating valves for low-temperature applications – Design, manufacturing and production testing<\/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>\n86<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":411004,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[358,2641],"product_tag":[],"class_list":{"0":"post-410995","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-23-060-01","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\/410995","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\/411004"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=410995"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=410995"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=410995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}