主要零件材料 零件名稱 材料牌名 
閥 體 WCB ZGCr5Mo ZG1Cr18Ni9Ti ZG1Cr18Ni12Mo2Ti 
閥 蓋 WCB ZGCr5Mo ZG1Cr18Ni9Ti ZG1Cr18Ni12Mo2Ti 
閥 瓣 WCB ZGCr5Mo ZG1Cr18Ni9Ti ZG1Cr18Ni12Mo2Ti 
銷 軸 2Crl3 2Crl3 1Cr18Ni9Ti 1Cr18Ni12MO2Ti 
墊 片 石墨纏繞墊片 石墨纏繞墊片 聚四氟乙稀纏繞墊片 聚四氟乙稀纏繞墊片 
型號性能規(guī)范 公稱壓力 PN（MPa） 殼 體 材 料　  試驗壓力(Mpa) 
WCB ZGCr5Mo(C5) ZG1Cr18Ni9Ti ZG1Cr18Ni12Mo2Ti 強度試驗 液體密封 氣體密封 
1.6 H44H-16C H44Y-16I H44W-16P H44W-16R 2.4 1.8 　  
2.5 H44H-25 H44Y-25I H44W-25P H44W-25R 3.8 2.8 　  
4.0 H44H-40 H44Y-40I H44W-40P H44W-40R 6.0 4.4 　  
6.4 H44H-64 H44Y-64I H44W-64P H44W-64R 9.6 7.1 　  
10.0 H44H-100 H44Y-100I H44W-100P H44W-100R 15.0 11.0 　  
適用溫度 -29-425℃  ≤550℃  　 -40-200℃  -40-200℃  超出溫度范圍，請訂貨時注明　  
適用介質 水蒸氣、油品等 水蒸氣、油品等 硝酸等 醋酸等