GB/T590-93Marine Cast Iron Flanged Globe ValvesGB/T591-93Marine Cast Iron Flanged Stop Check Valves
Technical Data
Nominal Pressure(MPa)
Nominal Diameter(mm)
Applicable Medium
0.6
50~300
Sea water, Fresh water, Lubricanting oil, Fuel oil, t≤220℃ steam.
1.0
65~250
1 6
20~50
Materials of Main Parts
Parts Name
Material
Name
Marks
Body/Cover
Gray Cast Iron
HT200
Disc
Cast Tin Bronze
ZCuSn10Zn2
Seat
Cast Aluminum Bronze
ZcuA19Mn2
Stem
Aluminum Bronze
CuA19Mn2
PN1.0、1.6MPa A、B Dimensions
PN0.6、1.0、1.6MPa AS、BS Dimensions
PN (MPa)
DN (mm)
Structure Dimension
Thickness
Flange
Bolt
Hand wheel
Lift Range m
Weight(kg)