公称压力 Nominal Pressure(MPa)

公称通径 Nominal Diameter(mm)

适用介质 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

零件名称 Parts Name

材料 Material

名称 Name

牌号 Marks

阀体、阀盖 Body/Cover

铸钢 Cast Steel

ZG230-450

阀盘 Disc

优质碳素钢 High-quality Carbon Steel

钢 25

阀杆 Stem

不锈钢 Stainless Steel

2Cr13

阀盘密封圈 Disc Seal ring

焊不锈钢 Weld Stainless Steel

H2Cr13

阀体密封圈 Body Seal ring

PN≤2.5

焊不锈钢 Weld Stainless Steel

H1Cr18Ni9Ti

PN≥4.0

焊不锈钢 Weld Stainless Steel

H2Cr13