{"id":385534,"date":"2024-10-20T03:31:09","date_gmt":"2024-10-20T03:31:09","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-12516-22014a12021\/"},"modified":"2024-10-26T06:23:29","modified_gmt":"2024-10-26T06:23:29","slug":"bs-en-12516-22014a12021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-12516-22014a12021\/","title":{"rendered":"BS EN 12516-2:2014+A1:2021"},"content":{"rendered":"

This European Standard specifies the method for the strength calculation of the shell with respect to internal pressure of the valve.<\/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\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
11<\/td>\n1 Scope
2 Normative references
3 Symbols and units <\/td>\n<\/tr>\n
17<\/td>\n4 General conditions for strength calculation <\/td>\n<\/tr>\n
18<\/td>\n5 Design pressure
6 Nominal design stresses for pressure parts other than bolts
6.1 General <\/td>\n<\/tr>\n
19<\/td>\n6.2 Steels and cast steels other than defined in 6.3, 6.4 or 6.5 <\/td>\n<\/tr>\n
20<\/td>\n6.3 !Austenitic steel and austenitic cast steel with a minimum rupture elongation > 30 %”
6.4 !Austenitic steel and austenitic cast steel with a minimum rupture elongation > 35 %”
6.5 Ferritic and martensitic cast steel
6.6 Creep conditions
7 Calculation methods for the wall thickness of valve bodies
7.1 General <\/td>\n<\/tr>\n
21<\/td>\n7.2 Wall thickness of bodies and branches outside crotch area
7.2.1 General
7.2.2 Cylindrical bodies or branches <\/td>\n<\/tr>\n
22<\/td>\n7.2.3 Spherical bodies or branches
7.2.4 Conical bodies or branches <\/td>\n<\/tr>\n
24<\/td>\n7.2.5 Bodies or branches with oval or rectangular cross-sections
7.2.5.1 General <\/td>\n<\/tr>\n
25<\/td>\n7.2.5.2 Oval-shaped cross sections <\/td>\n<\/tr>\n
29<\/td>\n7.2.5.3 Rectangular cross sections <\/td>\n<\/tr>\n
31<\/td>\n7.3 Wall thickness in the crotch area <\/td>\n<\/tr>\n
32<\/td>\n7.4 Examples of pressure-loaded areas Ap and metallic cross-sectional areas Af
7.4.1 General <\/td>\n<\/tr>\n
33<\/td>\n7.4.2 Cylindrical valve bodies <\/td>\n<\/tr>\n
35<\/td>\n7.4.3 Spherical valve bodies <\/td>\n<\/tr>\n
36<\/td>\n7.4.4 Oval and rectangular cross-sections <\/td>\n<\/tr>\n
37<\/td>\n7.4.5 Details <\/td>\n<\/tr>\n
40<\/td>\n8 Calculation methods for bonnets and covers
8.1 General
8.2 Covers made of flat plates
8.2.1 General <\/td>\n<\/tr>\n
45<\/td>\n8.2.2 Circular cover without opening, with <\/td>\n<\/tr>\n
46<\/td>\n8.2.3 Circular covers with concentric circular opening, with <\/td>\n<\/tr>\n
47<\/td>\n8.2.4 Non-circular covers (elliptical or rectangular) <\/td>\n<\/tr>\n
48<\/td>\n8.2.5 Special covers made of flat circular plates for specific load and clamping conditions <\/td>\n<\/tr>\n
63<\/td>\n8.3 Covers consisting of a spherically domed end and an adjoining flanged ring
8.3.1 General <\/td>\n<\/tr>\n
64<\/td>\n8.3.2 Wall thickness and strength calculation of the spherical segment <\/td>\n<\/tr>\n
65<\/td>\n8.3.3 Calculation of the flanged ring
8.3.3.1 Strength condition
8.3.3.2 Forces and moments of Formulae (126) and (127) <\/td>\n<\/tr>\n
66<\/td>\n8.3.3.3 Forces in the moment Formulae (129) and (130) <\/td>\n<\/tr>\n
67<\/td>\n8.3.3.4 Other geometrical dimensions in the Formulae (126) and (127)
8.3.3.5 Diameter of centre of gravity
8.3.4 Reinforcement of the stuffing box area
8.4 Dished heads
8.4.1 General remarks <\/td>\n<\/tr>\n
68<\/td>\n8.4.2 Solid dished heads <\/td>\n<\/tr>\n
69<\/td>\n8.4.3 Dished heads with opening <\/td>\n<\/tr>\n
71<\/td>\n8.4.4 Allowances on the wall thickness <\/td>\n<\/tr>\n
72<\/td>\n9 Calculation method for pressure sealed bonnets and covers <\/td>\n<\/tr>\n
74<\/td>\n10 Calculation methods for flanges
10.1 General
10.2 Circular flanges
10.2.1 General <\/td>\n<\/tr>\n
75<\/td>\n10.2.2 Flanges with tapered neck <\/td>\n<\/tr>\n
77<\/td>\n10.2.3 Flanges greater than DN 1 000 <\/td>\n<\/tr>\n
78<\/td>\n10.2.4 Welding neck with tapered neck according to Figure 48 <\/td>\n<\/tr>\n
79<\/td>\n10.2.5 Weld-on flanges
10.2.5.1 Weld-on flanges in accordance with Figure 49, design A and design B, and integral flange in accordance with Figure 50 <\/td>\n<\/tr>\n
80<\/td>\n10.2.5.2 Welded-on collars in accordance with Figure 51 <\/td>\n<\/tr>\n
82<\/td>\n10.2.6 Reverse flanges
10.2.7 Loose flanges <\/td>\n<\/tr>\n
84<\/td>\n10.3 Oval flanges
10.3.1 Oval flanges in accordance with Figure 54 <\/td>\n<\/tr>\n
86<\/td>\n10.3.2 Oval flanges in accordance with Figure 55 <\/td>\n<\/tr>\n
88<\/td>\n10.4 Rectangular or square flanges
10.4.1 Rectangular or square flanges in accordance with Figure 57 <\/td>\n<\/tr>\n
89<\/td>\n10.4.2 Rectangular slip-on flanges in accordance with Figure 58 <\/td>\n<\/tr>\n
90<\/td>\n10.5 Calculation of the bolt diameter
10.5.1 Design temperature
10.5.2 Diameter of the nominal tensile stress
10.5.3 Load cases <\/td>\n<\/tr>\n
91<\/td>\n10.5.4 Safety factors and allowances
11 Calculation methods for glands
11.1 Loads <\/td>\n<\/tr>\n
92<\/td>\n11.2 Gland bolts
11.3 Gland flanges
11.4 Other components
12 Fatigue
13 Marking <\/td>\n<\/tr>\n
93<\/td>\nAnnex A (informative)Characteristic values of gaskets and joints <\/td>\n<\/tr>\n
106<\/td>\nAnnex B (informative)Calculation procedure <\/td>\n<\/tr>\n
108<\/td>\nAnnex ZA (informative)!Relationship between this European Standard and the essential requirements of Directive 2014\/68\/EU aimed to be covered <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Industrial valves. Shell design strength – Calculation method for steel valve shells<\/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>\n110<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":385543,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[358,2641],"product_tag":[],"class_list":{"0":"post-385534","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\/385534","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\/385543"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=385534"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=385534"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=385534"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}