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        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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