{"id":262140,"date":"2024-10-19T17:22:36","date_gmt":"2024-10-19T17:22:36","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-7977-12002\/"},"modified":"2024-10-25T13:12:03","modified_gmt":"2024-10-25T13:12:03","slug":"bs-7977-12002","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-7977-12002\/","title":{"rendered":"BS 7977-1:2002"},"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\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\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\nBRITISH STANDARD <\/td>\n<\/tr>\n
2<\/td>\nCommittees responsible for this British Standard <\/td>\n<\/tr>\n
3<\/td>\nContents <\/td>\n<\/tr>\n
7<\/td>\n1 Scope
2 Normative references <\/td>\n<\/tr>\n
8<\/td>\n3 Definitions
3.1 Domestic gas-fired radiant\/convector heating appliances
3.1.1 radiant\/convector
3.1.2 live fuel effect fire (LFE)
3.1.3 inset live fuel effect fire (ILFE)
3.1.4 decorative fuel effect appliance
3.1.5 working surfaces
3.1.6 simulated fuel elements <\/td>\n<\/tr>\n
9<\/td>\n3.2 Gases
3.2.1 reference conditions
3.2.2 calorific value
3.3.3 relative density
3.3.4 net Wobbe index
3.3.5 test pressure
3.3.6 normal pressure <\/td>\n<\/tr>\n
10<\/td>\n3.3.7 limit pressures
3.3 Appliance construction
3.3.1 The gas circuit <\/td>\n<\/tr>\n
11<\/td>\n3.3.2 The burner
3.3.3 The combustion products circuit <\/td>\n<\/tr>\n
12<\/td>\n3.3.4 Auxiliary equipment <\/td>\n<\/tr>\n
13<\/td>\n3.4 Immobilizing an adjuster or a control
3.4.1 sealing an adjuster
3.4.2 setting an adjuster
3.4.3 putting an adjuster or a control out of service
3.5 Appliance performance
3.5.1 Gas rates
3.5.2 Gas combustion <\/td>\n<\/tr>\n
14<\/td>\n3.5.3 thermal equilibrium
3.5.4 hot condition
4 Classification of appliances
4.1 Classification according to the nature of the gases used (categories)
Table 1 – Classification of gases <\/td>\n<\/tr>\n
15<\/td>\n4.2 Conversion to different gases
5 Constructional requirements
5.1 Materials and method of construction <\/td>\n<\/tr>\n
18<\/td>\n5.2 Adjusters, controls and safety devices <\/td>\n<\/tr>\n
20<\/td>\n5.3 Design requirements for wall-mounted appliances and floor-mounted appliances not requiring a …
6 Performance and test methods
6.1 General <\/td>\n<\/tr>\n
21<\/td>\nTable 2 – Characteristics of the test gases (Gas dry at 15 \u00b0C and 1\ufffd013.25\ufffdmbar) <\/td>\n<\/tr>\n
22<\/td>\nTable 3 – Calorific values of the test gases of the third family (in megajoules per kilogram) <\/td>\n<\/tr>\n
23<\/td>\nTable 4 – Test pressures <\/td>\n<\/tr>\n
24<\/td>\n6.2 Soundness of the gas circuit <\/td>\n<\/tr>\n
25<\/td>\n6.3 Heat input <\/td>\n<\/tr>\n
27<\/td>\n6.4 Safety of operation <\/td>\n<\/tr>\n
29<\/td>\nTable 5 <\/td>\n<\/tr>\n
38<\/td>\n6.5 Combustion <\/td>\n<\/tr>\n
40<\/td>\nTable 6 <\/td>\n<\/tr>\n
41<\/td>\n6.6 Spillage monitoring system <\/td>\n<\/tr>\n
42<\/td>\nTable 7 – Shutdown times <\/td>\n<\/tr>\n
43<\/td>\n6.7 Cyclic use <\/td>\n<\/tr>\n
44<\/td>\n6.8 Efficiency <\/td>\n<\/tr>\n
45<\/td>\n7 Marking and instructions
7.1 Marking on the appliance <\/td>\n<\/tr>\n
46<\/td>\n7.2 Marking of the packaging
7.3 Utilization of symbols on the appliance and packaging
Table 8 – Gas categories <\/td>\n<\/tr>\n
47<\/td>\n7.4 Instructions <\/td>\n<\/tr>\n
48<\/td>\n8 Particular requirements for inset live fuel effect gas appliances
8.1 Constructional requirements
8.2 Performance and test methods <\/td>\n<\/tr>\n
55<\/td>\n8.3 Marking and instructions <\/td>\n<\/tr>\n
57<\/td>\nFigure 1 – Illustrations of fuel effect appliances <\/td>\n<\/tr>\n
59<\/td>\nFigure 2 – Standard test box <\/td>\n<\/tr>\n
60<\/td>\nFigure 3 – Apparatus for the assessment of the products outlet design <\/td>\n<\/tr>\n
61<\/td>\nFigure 4 – Test box and flue for appliances that can be installed in a metal flue box and\/or a pre-cast flue <\/td>\n<\/tr>\n
62<\/td>\nFigure 5 – Collecting hood <\/td>\n<\/tr>\n
64<\/td>\nFigure 6 – Apparatus for measuring floor and wall temperatures <\/td>\n<\/tr>\n
65<\/td>\nFigure 7 – Hearth area for measurement of floor temperatures <\/td>\n<\/tr>\n
66<\/td>\nFigure 8 – Probe for dress guard test <\/td>\n<\/tr>\n
67<\/td>\nFigure 9 – Sampling probe for the products of combustion and their temperature measurements <\/td>\n<\/tr>\n
68<\/td>\nFigure 10 – Sealed room <\/td>\n<\/tr>\n
69<\/td>\nFigure 11 – Combustion products safety device \u2014 Test apparatus <\/td>\n<\/tr>\n
70<\/td>\nFigure 12 – Efficiency test rig <\/td>\n<\/tr>\n
71<\/td>\nFigure 13 – Mean specific heat of dry products of combustion <\/td>\n<\/tr>\n
72<\/td>\nFigure 14 – Basic test box for fuel effect gas appliances <\/td>\n<\/tr>\n
73<\/td>\nFigure 15 – Removable inserts for fuel effect gas appliances <\/td>\n<\/tr>\n
75<\/td>\nFigure 16 – Test box assembly for fuel effect gas appliances <\/td>\n<\/tr>\n
76<\/td>\nFigure 17 – Flue for fuel effect appliances <\/td>\n<\/tr>\n
77<\/td>\nFigure 18 – Sampling probe <\/td>\n<\/tr>\n
78<\/td>\nFigure 19 – Collecting hood positioning <\/td>\n<\/tr>\n
79<\/td>\nAnnex A (normative) Equivalence rules <\/td>\n<\/tr>\n
80<\/td>\nAnnex B (informative) Calculation of conversions of
Table B.1 – Conversion of the emission value of
Table B.2 – Conversion of the emission value of
Table B.3 – Conversion of the emission value of NOx for third family gases <\/td>\n<\/tr>\n
81<\/td>\nAnnex C (informative) A guide to the clauses of this British Standard addressing the essential requiremen…
Table C.1 Clauses of this British Standard addressing the essential requirements of the GAD <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Specification for safety and rational use of energy of domestic gas appliances – Radiant\/convectors<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2002<\/td>\n84<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":262143,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1331,2641],"product_tag":[],"class_list":{"0":"post-262140","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-97-100-20","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\/262140","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\/262143"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=262140"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=262140"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=262140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}