{"id":371631,"date":"2024-10-20T02:25:36","date_gmt":"2024-10-20T02:25:36","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-17420-72021\/"},"modified":"2024-10-26T04:13:03","modified_gmt":"2024-10-26T04:13:03","slug":"bs-iso-17420-72021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-17420-72021\/","title":{"rendered":"BS ISO 17420-7:2021"},"content":{"rendered":"

This document specifies the requirements for supplied breathable gas respiratory protective device (RPD) and filtering RPD to be used for special application marine, mining, welding and abrasive blasting for use in the workplace to protect the wearer.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\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
2<\/td>\nundefined <\/td>\n<\/tr>\n
7<\/td>\nForeword <\/td>\n<\/tr>\n
8<\/td>\nIntroduction <\/td>\n<\/tr>\n
9<\/td>\n1 Scope
2 Normative references <\/td>\n<\/tr>\n
10<\/td>\n3 Terms and definitions <\/td>\n<\/tr>\n
11<\/td>\n4 Classification overview
4.1 General
4.2 Supplied breathable gas RPD <\/td>\n<\/tr>\n
12<\/td>\n4.3 Filtering RPD
5 General requirements for RPD
6 Basic requirements for supplied breathable gas RPD or filtering RPD
7 Special application for supplied breathable gas RPD for marine, mining, welding, abrasive blasting and filtering RPD formining, welding, abrasive blasting
7.1 Special application \u2013 Requirement matrices
7.1.1 General <\/td>\n<\/tr>\n
13<\/td>\n7.1.2 Supplied breathable gas RPD <\/td>\n<\/tr>\n
17<\/td>\n7.1.3 Filtering RPD <\/td>\n<\/tr>\n
20<\/td>\n7.2 Requirements for special application RPD for marine, mining, welding and abrasive blasting
7.2.1 Thermal requirements <\/td>\n<\/tr>\n
21<\/td>\n7.2.2 Resistance to flame of fabric materials \u2013 Supplied breathable gas RPD <\/td>\n<\/tr>\n
22<\/td>\n7.2.3 Radiant heat
7.2.4 Resistance to hot particles (embers\/sparks\/ash) \u2013 Supplied breathable gas RPD and filtering RPD <\/td>\n<\/tr>\n
23<\/td>\n7.2.5 Chemical resistance of materials \u2013 Supplied breathable gas RPD <\/td>\n<\/tr>\n
24<\/td>\n7.2.6 Chemical resistance of visor only \u2013 Supplied breathable gas RPD and filtering RPD <\/td>\n<\/tr>\n
25<\/td>\n7.2.7 Contact with hot and cold surfaces generated by the RPD
7.2.8 Avoidance of frictional sparks \u2013 Supplied breathable gas RPD and filtering RPD
7.2.9 Mechanical Requirement <\/td>\n<\/tr>\n
26<\/td>\n7.2.10 Requirements for audible warning devices \u2013 Supplied breathable gas RPD <\/td>\n<\/tr>\n
27<\/td>\n7.2.11 Practical performance requirements \u2013 Supplied breathable gas RPD and filtering RPD <\/td>\n<\/tr>\n
29<\/td>\n7.2.12 Requirements for RPD used in explosive atmospheres \u2013 Supplied breathable gas RPD and filtering RPD
7.2.13 Antistatic properties \u2013 Supplied breathable gas RPD and filtering RPD <\/td>\n<\/tr>\n
30<\/td>\n7.3 Pre-conditioning of supplied breathable gas RPD and filtering RPD
7.3.1 General
7.3.2 Exposure to vibration and shock \u2013 Marine \u2013 Supplied breathable gas RPD <\/td>\n<\/tr>\n
31<\/td>\n7.3.3 Exposure to vibration and shock \u2013 Mining \u2013 Supplied breathable gas RPD and filtering RPD
7.3.4 Resistance to changes in atmospheric pressure \u2013 Supplied breathable gas RPD and filtering RPD <\/td>\n<\/tr>\n
32<\/td>\n7.3.5 Enhanced resistance to corrosion \u2013 Intermittent exposure \u2013 Supplied breathable gas RPD and filtering RPD
7.3.6 Exposure to impact from drop <\/td>\n<\/tr>\n
33<\/td>\n7.3.7 Exposure to abrasive blasting \u2013 Supplied breathable gas RPD and filtering RPD <\/td>\n<\/tr>\n
34<\/td>\n8 Testing
8.1 General
8.2 Inspection
8.3 Hose permeation
8.3.1 Hose material
8.3.2 Sampling air <\/td>\n<\/tr>\n
35<\/td>\n8.3.3 Test equipment <\/td>\n<\/tr>\n
37<\/td>\n8.4 Testing of leak tightness using positive pressure
9 Marking <\/td>\n<\/tr>\n
38<\/td>\n10 Information supplied by the RPD manufacturer <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Respiratory protective devices. Performance requirements – Special application marine, mining, welding, and abrasive blasting. Filtering RPD and supplied breathable gas RPD<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2021<\/td>\n40<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":371637,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-371631","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\/371631","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\/371637"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=371631"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=371631"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=371631"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}