技术数据和性能参数Technical data and performance parameter： 　　 公称压力：Nominal pressure: 1.0 Mpa, 1.6 Mpa, 2.5 Mpa(ANSI Class 125, 150lb) 　　 规格：Nominal size: DN50~DN600 (2”-24”) 　　 适用温度Suitable temperature: -40℃~180℃ 　　 适用介质Suitable medium: This butterfly valve can be applied in various concentrations of Acid, Alkali, Aqua regia and strong chloridizing etc (except the high-temperature melting alkali metals, element fluorine & chlorine trifluoride). 　　 操作方式operation style: Handle, worm gear, electric, pneumatic, hydraulic. 　　 用途Application: This butterfly valve is mainly used in petroleum, chemical, pharmaceutics, and metallurgy, coker etc corrosive pipeline circulation systems. 　　 口径size 　　 最高使用温度Max. working temperature 　　 最高使用压力 Max. working pressure 　　 试验压力Test pressure 　　 液体Liquid 　　 气体Gas 　　 阀体（水压）Shell(Hydrostatic) 　　 密封（气体）Seal(air)

口径 size 最高使用温度 Max. working temperature 最高使用压力 Max. working pressure 试验压力 Test pressure 全开放CV值 液体 Liquid 气体 Gas 阀体(水压) Shell(Hydrostatic) 密封(气体) Seal(air) 50 180 7 2.5 10.5 3 120 65 120 80 290 100 450 125 800 150 1200 200 2300 250 3800 300 5700 350 6600 400 9000 450 11900 500 14400 600 21000

序号 Sr. No. 名称 Part name 材质 Material 1 阀体 Body Ductile iron 1a 阀体连接螺钉 connection screw Alloy steel 2 阀体衬里 Body liner FEP F46 3 蝶板衬 Disc liner FEP F46 蝶板 Disc Cast steel 上轴1 Upper shaft 1 Alloy steel 上轴2 Upper shaft 2 Alloy steel 下轴1 Lower shaft 1 Alloy steel 3a 下轴2 Lower shaft 2 Alloy steel 3b 下轴3 Lower shaft 3 Stainless steel 4 上衬套 Upper bushing Stainless steel 5 下衬套 Lower bushing Stainless steel 6 密封环 Sealing ring PTFE 7 压圈 Press ring Stainless steel 8 后衬垫 Back bushing EPDM/Viton 9 弹簧垫Spring washer Alloy spring steel 10 内六角螺钉Socket head cap screw Alloy steel