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    GB/T593-93'??Dy?阀

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    2???3?
    GB/T593-93'??Dy?阀
    2?稤韔?
    GB/T593-93
    1?3?悫??
    DN20-80
    ?1醸??
    0.6MPa
    阀?2??
    ?y禚???囗-


    GB/T593-93'??Dy?阀??Dy???3?'??o

    1?3?
    ?1醸
    MPa

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    悫??
    DN

    1?3?悫??

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    H1

    D

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    0.6

    20

    145

    95

    41

    95

    68

    48

    13

    12

    4

    M12

    125

    3.0

    3.5

    3.4

    25

    155

    100

    42

    105

    73

    56

    13

    13

    140

    3.7

    4.2

    4.1

    32

    165

    120

    48

    115

    83

    64

    15

     

     

    160

    4.6

    5.3

    5.2

    40

    190

    135

    61

    125

    93

    74

    15

     

    180

    6.9

    8.6

    8.5

    50

    205

    165

    71

    135

    103

    84

    15

    230

    9.7

    11.4

    11.3

    65

    225

    187

    88

    155

    123

    104

    15

    250

    12.4

    15.6

    15.4

    80

    245

    215

    102

    170

    138

    118

    15

    320

    18.8

    21.6

    21.3

     

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