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Mikhnevo Repair and Engineering Works
8-800-550-07-58
E-mail: zavod@mrmz.ru
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    Valves




    Back pressure, rotary, single-disk, cast-iron flangeless valves are designed to be installed on either horizontal or vertical pipelines for automatic blocking of the medium's reverse flow. The operating position of the valves on the horizontal pipeline is cover upwards; that of the vertical pipeline - as shown by the case's upward arrow. The medium flow's direction must be under the clack valve disk (as shown by the arrow on the case).
    These valves are available in two variants:
    - 20L steel;
    - 12H18N9TL steel.
    Valve sealing - corrosion-resistant steel.
    The 20L-steel valves are available in climatic embodiment U1; those made of 12H18N9TL steel - in climatic embodiment UHL1, according to GOST 15150-69.


    Model
    Specifications
    Ru
    Temp, 0C
    Du, mm
    16ch42r
    cast-iron, back-pressure,
    rotary, water
    25
    50
    50; 80;100;
    150; 200; 250; 300; 400
    19ch21br
    cast-iron, back-pressure,
    rotary, water
    16
    225
    50; 80;100;
    150; 200; 250
    25ch940nj
    liquid and gaseous mediums
    16
    220
    25; 40; 50; 80
             
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