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    EN 10253-1: Reducers Form 1

    1. Technical drawings for EN 10253-1 reducers of form 1

    EN 10253-1 Conc. & Ecc. Reducer
    According to EN 10253-1, concentric reducers can be divided into form 1 and form 2. The first figure of above drawing is form 1 and the second one is form 2. The third figure is the technical drawing of eccentric reducer.

    2. Dimensions of EN 10253-1 reducers of form 1

    Side D
    Side D1
    Length
    DN
    D
    T
    DN
    D1
    T1
    L
    25
    33.7 
    2.6 
    20 
    26.9
    2.3
    35
    32
    42.4 
    2.6 
    20
    25
    26.9
    33.7
    2.3
    2.6
    51
    39
    40
    48.3 
    2.6 
    20
    25
    32
    26.9
    33.7
    42.4
    2.3
    2.6
    2.6
    67
    55
    38
    50
    60.3 
    2.9 
    25
    32
    40
    33.7
    42.4
    48.3
    2.6
    2.6
    2.6
    77
    61
    50
    65
    76.1 
    2.9 
    32
    40
    50
    42.4
    48.3
    60.3
    2.6
    2.6
    2.9
    95
    84
    63
    80
    88.9 
    3.2 
    40
    50
    65
    48.3
    60.3
    76.1
    2.6
    2.9
    2.9
    108
    86
    56
    100
    114.3 
    3.6 
    50
    60
    80
    60.3
    76.1
    88.9
    2.9
    2.9
    3.2
    143
    114
    90
    125
    139.7 
    4.0 
    65
    80
    100
    76.1
    88.9
    114.3
    2.9
    3.2
    3.6
    159
    135
    88
    150
    168.3 
    4.5 
    80
    100
    125
    88.9
    114.3
    139.7
    3.2
    3.6
    4.0
    189
    141
    94
    200
    219.1 
    6.3 
    100
    125
    150
    114.3
    139.7
    168.3
    3.6
    4.0
    4.5
    210
    170
    130
    250
    273.0 
    6.3 
    125
    150
    200
    139.7
    168.3
    219.1
    4.0
    4.5
    6.3
    250
    220
    130
    300
    323.9 
    7.1 
    150
    200
    250
    168.3
    219.1
    273.1
    4.5
    6.3
    6.3
    290
    215
    130
    350
    355.6 
    8.0 
    150
    200
    250
    300
    168.3
    219.1
    273.1
    323.9
    4.5
    6.3
    6.3
    7.1
    335
    255
    125
    100
    400
    406.4 
    8.8 
    200
    250
    300
    350
    219.1
    273.1
    323.9
    355.6
    6.3
    6.3
    7.1
    8
    330
    250
    175
    130
     *D: Outside diameter of large end of the reducer. T: Wall thickness of the large end.
     *D1: Outside diameter of small end of the reducer. T1: Wall thickness of the small end.
     *L: Face to face length of reducers.
     *All dimensions are in mm unless otherwise specified.
     *See the tolerances of dimensions and for EN 10253-1 pipe fittings.
     *See the chemical composition & mechanical properties of S235 / S265 material.
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    Views:   Author：hbmetals  Date:15/07/23

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