|
部件 PART |
规格说明 SPECIFICATION |
1. |
阀杆 Stem |
不锈钢ASTM 582类型416 Stainless Steel ASTM 582 Type 416 |
2. |
轴环衬套 Collar Bushing |
黄铜ASTM B 124 Brass ASTM B 124 |
3. |
上部衬套 Upper Bushing |
铜合金CDA 122 Copper Alloy CDA 122 |
4. |
阀杆密封 Stem Seal |
三元乙丙橡胶 EPDM |
5. |
阀体密封 Body Seal |
三元乙丙橡胶 EPDM |
6. |
阀瓣 Disc |
球墨铸铁ASTM 395(镀镍) Ductile Iron ASTM 395 (Nickel Plated) |
7. |
衬垫 Liner |
三元乙丙橡胶 EPDM |
8. |
下部衬垫 Lower Bushing |
铜合金CDA 122 Copper Alloy CDA 122 |
9. |
铭牌 Nameplate |
铝 Aluminum |
10. |
阀体 Body |
球墨铸铁ASTM A 536 Ductile Iron ASTM A 536 |
11. |
齿轮操作机构 Gear Operator |
铸铁和钢 Cast Iron and Steel |
12. |
报警(动作)指示器 Indicator Flag |
铸铁 Cast Iron |
13. |
手轮 Handwheel |
铸铁 Cast Iron |
14. |
开关盒 Switch Box |
铝 (仅限于DN250和DN300) (没有图示) Aluminum (10" and 12" only) (not shown) |