<strike id="esyis"><delect id="esyis"></delect></strike>

  • <dd id="esyis"><noscript id="esyis"></noscript></dd>

    <span id="esyis"><output id="esyis"></output></span>

    Yangquan valve Limited by Share Ltd

    Consultative:400-003-1469

    Electricity: (0353) 2591440 (0353) 2591441

    (0353) 2590751 (0353) 2590307

    Address: No. 366 new road, Yangquan City, Shanxi Province

    True: (0353) 25914692591781

    Mail code:045000

    E-mail:yqfm@sina.com



    Your current location :Home>Quality>Product testing
    Quality

    Inspection of finished product

    1. Scope

    This procedure applies to the final inspection of the valve products, including finished product testing and delivery inspection

    1. Quoted standard

    QB/YF.Z.02.13-1998 Inspection & Test Control Procedures

    QB/YF.Z.02.15-1998 Inspection & Test  Status Identification procedures

    QB/YF.Z.02.16-1998 Nonconforming Product Control Procedure

    1. Obligation

    Fitter inspector of Quality inspection department is responsible for the finished product inspection

    Factory inspector of quality inspection department is responsible for delivery inspection

    1. Inspection regulations

    Finished product inspection

    Inspection standard

    4.1.1.1 Inspect according to the product assembly drawing specified " performance standards" and pressure test standard, see table 1 of each series of pressure test standards

    Table 1 Each series of pressure test standards


    Series variety name

    Specification range

    Pressure test standards

    All kinds of butterfly valve

    Various spec

    GB/T13927 water pressure test D level 0.06×DN (cm3/min)

    Cast steel gate valve

    Various spec

    Z42 series iron mouth valve

    Various spec

    Cast iron gate valve (copper mouth, iron mouth)

    ≤350

    City gas valve

    Various spec

    GB/T13927 gas pressure test (0.18×DNcm3/min)

    Cast iron gate valve ()

    ≥400

    GB/T13927-2008

    Check valve

    Various spec

    Flap valve

    ≤24

    API598

    Nuclear power valve


    According to contract requirement

    4.1.1.2 The maximum allowable leakage of various specifications of the valve pressure test standards: see table2

    Table 2 The maximum allowable leakage of various specifications of the valve pressure test standards (Rigid metal seal valve)



    GB13927
    (4981)
    water pressure test D level
    cm3/min

    GB13927
    (4981)
    gas pressure test C level
    cm3/min

    API
    gas pressure test
    cm3/min

    Nuclear power valve standard
    water pressure test
    cm3/min

    100

    0.6

    18

    0.75

    0.33

    125

    0.75

    22.5

    0.75

    /

    150

    0.9

    27

    0.75

    /

    200

    1.2

    36

    1.25

    0.67

    250

    1.5

    45

    1.25

    /

    300

    1.8

    54

    1.25

    /

    350

    2.1

    63

    1.75

    /

    400

    2.4

    72

    1.75

    2.6

    450

    2.7

    81

    1.75

    /

    500

    3.0

    90

    1.75

    /

    600

    3.6

    108

    1.75

    /

    700

    4.2

    126

    /

    /

    800

    4.8

    144

    /

    5.30

    900

    5.4

    162

    /

    /

    1000

    6

    180

    /

    6.66

    1200

    7.2

    216

    /

    /

    1400

    8.4

    252

    /

    /

    1600

    9.6

    288

    /

    /

    1800

    10.8

    324

    /

    /

    2000

    12.0

    360

    /

    /

    版權所有:陽泉閥門股份有限公司 備案號:晉ICP備*******號
    技術支持:龍采科技(陽泉)有限公司---百度陽泉地區營銷服務中心(陽泉百度推廣、陽泉網站建設)
    Content:
    Name:
    QQ:
    Tel:
    Code:
    看不清楚,換一張
    热久久免费频精品99热