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    1. 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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