{"id":693944,"date":"2024-11-06T05:34:50","date_gmt":"2024-11-06T05:34:50","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/ul-3122018\/"},"modified":"2024-11-06T05:34:50","modified_gmt":"2024-11-06T05:34:50","slug":"ul-3122018","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/ul\/ul-3122018\/","title":{"rendered":"UL 312:2018"},"content":{"rendered":"<p><b>1 Scope<\/b><\/p>\n<p>1.1 These requirements cover check valves of 1 NPS and larger, used in piping systems supplying water for fire protection service.<\/p>\n<p>1.2 The check valves covered by these requirements are intended for installation and use in accordance with the Standards for:<\/p>\n<blockquote>\n<p>a)\u00a0\u00a0\u00a0\u00a0Low-, Medium-, and High-Expansion Foam, NFPA 11;<\/p>\n<p>b)\u00a0\u00a0\u00a0\u00a0Installation of Sprinkler Systems, NFPA 13;<\/p>\n<p>c)\u00a0\u00a0\u00a0\u00a0Installation of Standpipe and Hose Systems, NFPA 14;<\/p>\n<p>d)\u00a0\u00a0\u00a0\u00a0Water Spray Fixed Systems for Fire Protection, NFPA 15;<\/p>\n<p>e)\u00a0\u00a0\u00a0\u00a0      Installation of Foam-Water Sprinkler and Foam-Water Spray Systems, NFPA 16;<\/p>\n<p>f)\u00a0\u00a0\u00a0\u00a0Installation of Stationary Pumps For Fire Protection, NFPA 20;<\/p>\n<p>g)\u00a0\u00a0\u00a0\u00a0Water Tanks for Private Fire Protection, NFPA 22; <\/p>\n<p>h)\u00a0\u00a0\u00a0\u00a0Installation of Private Fire Service Mains and Their Appurtenances, NFPA 24;<\/p>\n<p>i)\u00a0\u00a0\u00a0\u00a0Water Mist Fire Protection Systems, NFPA 750; and<\/p>\n<p>j)\u00a0\u00a0\u00a0\u00a0    Installation of Sprinkler Systems in Residential Occupancies Up to and Including Four Stories in Height, NFPA 13R.<\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p><b>Standard for Check Valves for Fire-Protection Service<\/b><\/p>\n<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\/ul\/\"><b>UL<\/b><\/a><\/td>\n<td>2018-03-15<\/td>\n<td>31<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":693955,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2680],"product_tag":[],"class_list":{"0":"post-693944","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ul","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\/693944","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\/693955"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=693944"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=693944"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=693944"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}