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Persona de contacto Mr. hongtao
steel, Kunming, Yunnan
The major parts material:
Parts name
body
Butterfly plate
Sealing ring
stem
packing
materials
Grey cast iron
Carbon steel
Grey cast iron, cast steel, nodular cast iron
Acrylonitrile-butadiene rubber, oil resistance
neoprene
Stainless steel
ptfe
Three, main technical parameters:
model
Nominal pressure
The PN (MPa)
Test pressure Ps (MPa)
Work pressure
P (MPa)
Medium temperature
(℃)
Applicable medium
shell
seal
H*7X, H*7H, H*7X,
H*7H, H*7Xf, HD*7X
1.0
1.5
1.1
1.0
***0 ℃
Water, oil
Sea water, sewage
1.6
2.4
1.*5
1.6
2.5
3.*5
2.*5
2.5
Four, the labor chau brand micro resistance slowly-closing check valve is mainly shape dimension (flange size: PNl0, *6, *5 made according to standard JB/T*9 *4 standard)
Nominal diameter
DN (mm)
Feet inch (mm)
L
H
B1
B2
**0
**0
**0
**0
**0
**0
**0
**0
**0
**0
**0
**0
**0
**0
**0
**0
**0
**0
**0
**0
**0
**0
**0
**0
**0
**0
**0
**0
**0
**0
**0
**0
**0
**0
***0
Nominal diameter
DN (mm)
Feet inch (mm)
L
H
B1
B2
**0
**0
***0
***0
***0
**0
**0
***0
***0
***0
**0
**0
***0
***0
***0
**0
**0
***0
***0
***0
***0
**0
***0
***0
***0
***0
**0
***0
***0
***0
***0
**0
***0
***0
***5
