pn/mpa
nominal
pressure
shell strength
back seal test
seat test
product type
applicable medium
applicable temperature
nkz44h
nkz944h-c型
nkz941h
water,steam,air
nkz44h(y)-i型
nkz944h(y)-i型
nkz941h(y)
water,steam,air
part name
body bonnet
stem
wedge gate
sealing face
yokenut
parking
fastener
nkz41h-c型
nkz944h-c型
nkz941h
h:alloy steel
albronze
expanding
comdound
graphite
high-grade
carbon steel
nkz41y-i型
nkz944-i型
nkz941
cr.mo steel
38crmoala
cr.mo steel
y:carbide alloy
cr.mo steel
dn/mm
nominal
diameter
pn/mpa
nominal
pressure
main extemal&connecting dimensions
重量
/kg
valve
weight
additional flanges
dimensions