{"id":244567,"date":"2024-10-19T16:04:11","date_gmt":"2024-10-19T16:04:11","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-60534-2-32016\/"},"modified":"2024-10-25T11:03:30","modified_gmt":"2024-10-25T11:03:30","slug":"bs-en-60534-2-32016","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-60534-2-32016\/","title":{"rendered":"BS EN 60534-2-3:2016"},"content":{"rendered":"

This part of IEC 60534<\/span> <\/span> is applicable to industrial-process control valves and provides the flow capacity test procedures for determining the following variables used in the equations given in IEC 60534\u20112\u20111<\/span> <\/span>:<\/p>\n

    \n
  1. \n

    flow coefficient C<\/i>;<\/p>\n<\/li>\n

  2. \n

    liquid pressure recovery factor without attached fittings F<\/i> L<\/sub>;<\/p>\n<\/li>\n

  3. \n

    combined liquid pressure recovery factor and piping geometry factor of a control valve with attached fittings F<\/i> LP<\/sub>;<\/p>\n<\/li>\n

  4. \n

    piping geometry factor F<\/i> P<\/sub>;<\/p>\n<\/li>\n

  5. \n

    pressure differential ratio factors x<\/i> T<\/sub> and x<\/i> TP<\/sub>;<\/p>\n<\/li>\n

  6. \n

    valve style modifier F<\/i> d<\/sub>;<\/p>\n<\/li>\n

  7. \n

    Reynolds number factor F<\/i> R<\/sub>.<\/p>\n<\/li>\n<\/ol>\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
    PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
    6<\/td>\nCONTENTS <\/td>\n<\/tr>\n
    8<\/td>\nFOREWORD <\/td>\n<\/tr>\n
    10<\/td>\n1 Scope
    2 Normative references
    3 Terms and definitions <\/td>\n<\/tr>\n
    11<\/td>\n4 Symbols <\/td>\n<\/tr>\n
    12<\/td>\n5 Test system
    5.1 Test specimen
    5.2 Test section
    Figures
    Figure 1 \u2013 Basic flow test system <\/td>\n<\/tr>\n
    13<\/td>\n5.3 Throttling valves
    Figure 2 \u2013 Test section piping requirements <\/td>\n<\/tr>\n
    14<\/td>\n5.4 Flow measurement
    5.5 Pressure taps
    5.6 Pressure measurement
    5.7 Temperature measurement <\/td>\n<\/tr>\n
    15<\/td>\n5.8 Valve travel
    5.9 Installation of test specimen
    Figure 3 \u2013 Recommended pressure tap connection
    Tables
    Table 1 \u2013 Test specimen alignment <\/td>\n<\/tr>\n
    16<\/td>\n6 Accuracy of tests
    7 Test fluids
    7.1 Incompressible fluids
    7.2 Compressible fluids
    8 Test procedure for incompressible fluids
    8.1 Test procedure for flow coefficient C <\/td>\n<\/tr>\n
    17<\/td>\nTable 2 \u2013 Minimum inlet absolute test pressure in kPa (bar) as related to FL and \u0394p <\/td>\n<\/tr>\n
    18<\/td>\n8.2 Test procedure for liquid pressure recovery factor FL and combined liquid pressure recovery factor and piping geometry factor FLP <\/td>\n<\/tr>\n
    19<\/td>\n8.3 Test procedure for piping geometry factor Fp
    8.4 Test procedure for liquid critical pressure ratio factor FF
    8.5 Test procedure for Reynolds number factor FR for incompressible flow
    8.6 Test procedure for valve style modifier Fd <\/td>\n<\/tr>\n
    20<\/td>\n9 Data evaluation procedure for incompressible fluids
    9.1 Non-choked flow
    9.2 Choked flow
    9.2.1 For choked flow, two conditions shall be considered:
    9.2.2 Without attached fittings
    9.2.3 With attached fittings <\/td>\n<\/tr>\n
    21<\/td>\n9.3 Calculation of flow coefficient C
    9.4 Calculation of liquid pressure recovery factor FL and the combined liquid pressure recovery factor and piping geometry factor FLP
    9.4.2 Without attached fittings
    9.4.3 With attached fittings <\/td>\n<\/tr>\n
    22<\/td>\n9.5 Calculation of piping geometry factor FP
    9.6 Calculation of liquid critical pressure ratio factor FF
    9.7 Calculation of Reynolds number factor FR
    9.8 Calculation of valve style modifier Fd <\/td>\n<\/tr>\n
    23<\/td>\n10 Test procedure for compressible fluids
    10.1 Test procedure for flow coefficient C <\/td>\n<\/tr>\n
    24<\/td>\n10.2 Test procedure for pressure differential ratio factors xT and xTP <\/td>\n<\/tr>\n
    25<\/td>\n10.3 Test procedure for piping geometry factor Fp <\/td>\n<\/tr>\n
    26<\/td>\n10.4 Test procedure for Reynolds number factor FR
    10.5 Test procedure for valve style modifier Fd
    10.6 Test procedure for small flow trim <\/td>\n<\/tr>\n
    27<\/td>\n11 Data evaluation procedure for compressible fluids
    11.1 Flow equation
    11.2 Calculation of flow coefficient C
    11.3 Calculation of pressure differential ratio factor xT <\/td>\n<\/tr>\n
    28<\/td>\n11.4 Calculation of pressure differential ratio factor xTP
    11.5 Calculation of piping geometry factor Fp
    11.6 Calculation of Reynolds number factor FR for compressible fluids
    11.7 Calculation of valve style modifier Fd
    11.8 Calculation of flow coefficient C for small flow trim <\/td>\n<\/tr>\n
    29<\/td>\nTable 3 \u2013 Numerical constants N <\/td>\n<\/tr>\n
    30<\/td>\nAnnex A (normative) Typical examples of test specimens showing appropriate pressure tap locations <\/td>\n<\/tr>\n
    31<\/td>\nFigure A.1\u2013 Typical examples of test specimens showing appropriate pressure tap locations <\/td>\n<\/tr>\n
    32<\/td>\nAnnex B (informative) Engineering data
    Figure B.1 \u2013 Dynamic viscosity of water
    Table B.1 \u2013 Properties for water <\/td>\n<\/tr>\n
    33<\/td>\nTable B.2 \u2013 Properties of air <\/td>\n<\/tr>\n
    34<\/td>\nTable B.3 \u2013 Test section piping <\/td>\n<\/tr>\n
    35<\/td>\nAnnex C (informative) Derivation of the valve style modifier, Fd <\/td>\n<\/tr>\n
    38<\/td>\nFigure C.1 \u2013 Single seated, parabolic plug(flow tending to open)
    Figure C.2 \u2013 Swing-through butterfly valve
    Table C.1 \u2013 Numerical constant, N <\/td>\n<\/tr>\n
    39<\/td>\nAnnex D (informative) Laminar flow test discussion <\/td>\n<\/tr>\n
    40<\/td>\nAnnex E (informative) Long form FL test procedure
    E.1 General
    E.2 Test procedure
    E.3 Graphical data reduction <\/td>\n<\/tr>\n
    41<\/td>\nFigure E.1 \u2013 Typical flow results <\/td>\n<\/tr>\n
    43<\/td>\nAnnex F (informative) Calculation of FP to help determine if pipe\/valve port diameters are adequately matched <\/td>\n<\/tr>\n
    44<\/td>\nTable F.1 \u2013 Tabulated values of FP if upstream and downstream pipe the same size
    Table F.2 \u2013 Tabulated values of FP if downstream pipe larger than valve <\/td>\n<\/tr>\n
    45<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

    Industrial-process control valves – Flow capacity. Test procedures<\/b><\/p>\n\n\n\n\n
    Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
    BSI<\/b><\/a><\/td>\n2016<\/td>\n48<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":244570,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[385,2641],"product_tag":[],"class_list":{"0":"post-244567","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-25-040-40","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\/244567","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\/244570"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=244567"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=244567"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=244567"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}