{"id":440483,"date":"2024-10-20T08:15:13","date_gmt":"2024-10-20T08:15:13","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-23-30471849-dc\/"},"modified":"2024-10-26T15:25:53","modified_gmt":"2024-10-26T15:25:53","slug":"bsi-23-30471849-dc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-23-30471849-dc\/","title":{"rendered":"BSI 23\/30471849 DC"},"content":{"rendered":"<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>30471849_Form 36  <\/td>\n<\/tr>\n<tr>\n<td><b>3<b><\/td>\n<td>BS 8647 Draft for DPC  <\/td>\n<\/tr>\n<tr>\n<td><b>6<b><\/td>\n<td>1 Scope <br \/> 2 Normative references <br \/> 3 Terms and definitions <br \/> 3.1 breathing frequency <br \/> 3.2 buckle <br \/> 3.3 dead space <br \/> 3.4 displaced (tidal) volume <br \/> 3.5 faceblank <br \/> 3.6 face seal <br \/> 3.7 full-face mask <br \/> 3.8 full-face snorkel mask (FFSM) <br \/> 3.9 head harness  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>3.10 non-return valves <br \/> 3.11 pressure volume diagram <br \/> 3.12 reference pressure <br \/> 3.13 respiratory minute volume (RMV) <br \/> 3.14 respiratory pressure <br \/> 3.15 shut-off valve <br \/> 3.16 visor <br \/> 3.17 water dump valve <br \/> 3.18 work of breathing (WOB) <br \/> 4 Requirements <br \/> 4.1 Design <br \/> 4.2 Dimensions  <\/td>\n<\/tr>\n<tr>\n<td><b>8<b><\/td>\n<td>4.3 Resistance to gas flow <br \/> 4.3.1 Respiratory pressures <br \/> 4.3.2 Work of breathing <br \/> 4.4 Shut-off valves <br \/> 4.5 Water dump valve(s) <br \/> 4.6 Non-return valve(s) <br \/> 4.7 Inspired carbon dioxide <br \/> 4.8 Head harness  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>4.9 Visor <br \/> 4.9.1 General <br \/> 4.9.2 Impact resistance <br \/> 4.9.3 Break pattern <br \/> 4.9.4 Water tightness <br \/> 4.9.4.1 Visor seal water tightness <br \/> 4.9.4.2 Face seal water tightness <br \/> 4.9.5 Face seal <br \/> 4.10 Resistance to temperature <br \/> 4.11 Cleaning and disinfection <br \/> 4.12 Seawater resistance  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>4.13 Practical performance <br \/> 5 Test methods <br \/> 5.1 General <br \/> 5.2 Nominal values and tolerances <br \/> 5.3 Visual inspection <br \/> 5.4 Breathing simulator <br \/> 5.5 Test equipment and calibration test procedures  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>5.6 Testing of dimensions <br \/> 5.7 Resistance to air flow <br \/> 5.8 Water dump valve <br \/> 5.9 Test for non-return valve(s) <br \/> 5.10 Volume-weighted average inspired carbon dioxide <br \/> 5.11 Visor <br \/> 5.11.1 Impact resistance  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>5.11.2 Break pattern <br \/> 5.12 Head harness <br \/> 5.12.1 Resistance to slipping  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>5.12.2 Permanent linear deformation <br \/> 5.13 Water tightness test <br \/> 5.14 Resistance to specific storage temperatures <br \/> 5.14.1 Testing after storage at +70  C  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>5.14.2 Testing after storage at -30  C <br \/> 5.15 Seawater resistance <br \/> 5.16 Cleaning and disinfection <br \/> 5.17 Practical performance <br \/> 5.17.1 General <br \/> 5.17.2 Test subjects  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>5.17.3 Basic testing <br \/> 5.17.4 Pass\/fail criteria <br \/> 5.17.5 Report <br \/> 6 Marking  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>7 Information supplied by the manufacturer  <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>Annex A (informative) Artificial seawater  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>BS 8647. Respiratory equipment. Full-face snorkel masks. Specification and test method<\/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>2023<\/td>\n<td>19<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":440491,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-440483","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\/440483","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\/440491"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=440483"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=440483"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=440483"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}