公稱壓力 Nominal Pressure(MPa)

公稱通徑 Nominal Diameter(mm)

適用介質 Applicable Medium

1.0

65～300

淡水、滑油、燃油和 t≤300℃蒸汽 
Fresh water, Lubricanting oil, Fuel oil, t≤300℃ steam.

1.6

100～250

2.5

20～150

4.0

65～100

淡水、滑油、燃油和 t≤400℃蒸汽 
Fresh water, Lubricanting oil, Fuel oil, t≤400℃ steam.

6.4

20～50

零件名稱 Parts Name

材料 Material

名稱 Name

牌號 Marks

閥體、閥蓋 Body/Cover

鑄鋼 Cast Steel

ZG230-450

閥盤 Disc

優質碳素鋼 High-quality Carbon Steel

鋼 25

閥桿 Stem

不銹鋼 Stainless Steel

2Cr13

閥盤密封圈 Disc Seal ring

焊不銹鋼 Weld Stainless Steel

H2Cr13

閥體密封圈 Body Seal ring

PN≤2.5

焊不銹鋼 Weld Stainless Steel

H1Cr18Ni9Ti

PN≥4.0

焊不銹鋼 Weld Stainless Steel

H2Cr13