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  • Wear-resistant knife gate valve

    PRODUCTS > Wear-resisting valve series > Wear-resistant knife gate valve

    Wear-resistant knife gate valve

    NMDZB-10C(P.R.RL) NMDZB-16C(P.R.RL)
    Product characteristics and uses:
    Full-diameter design, large circulation capacity, small flow resistance, reduce wear and tear, prolong the service life of the valve.
    Seat seal pair adopts concealed design to avoid direct erosion damage of medium.

    Product adoption criteria:

    Product Standard Reference JB/T 8691

    Flange connection according to GB/T9113.1 HG 20596

    Pressure test according to GB/T 13927 JB/T 9092


    Main performance specification: nominal size DN50 ~ DN600 nominal pressure PN10 ~ PN16


    Nominal pressure

    PN10

    PN16

    Test pressure (MPa)

    Shell strength (liquid)

    1.5

    2.4

    High pressure seal (liquid)

    1.1

    1.8

    Low pressure seal (liquid)

    0.6

    0.6

    Applicable medium

    der,ash,serum,cement and mediaetc.

    Applicable temperature

    ≤300℃



    Main parts and materials:


     Material code

    valve body

    valve seat

    Flashboard

    Stem

    filler

    C

    WCB

    SS 304 Surfacing Stellite Alloy

    Surface Spraying of Tungsten Carbide on 2Cr13

    2Cr13

    Flexible graphite

    P

    CF8

    SS 304 Surfacing Stellite Alloy

    Surface Spraying of Tungsten Carbide on SS 304

    17-4PH

    Flexible graphite

    R

    CF8M

    SS 316 Surfacing Stellite Alloy

    Surface Spraying of Tungsten Carbide on SS 316

    17-4PH

    Flexible graphite

    RL

    CF3M

    SS 316 Surfacing Stellite Alloy

    Surface Spraying of Tungsten Carbide on SS 316L

    17-4PH

    Flexible graphite



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