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
X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
H1Cr18Ni9Ti
PN≥4.0