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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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