900 Api Cast Steel Flange Gate Valve
900 API Cast Steel Flange Gate Valve
[Application range of national standard flange gate valve]
National standard flange gate valve is suitable for various types of pipelines with nominal pressure PN1.0~16.0MPa and working temperature -29~425℃ (carbon steel) and -40~200℃ (stainless steel). It is used to cut off or connect pipelines. medium. By choosing different materials, it can be applied to various media such as water, steam, oil, nitric acid, acetic acid, strong oxidizing media and urea. The driving modes include manual, bevel gear transmission and electric.
| host want zero pieces material material |
Valve body, valve cover, gate | WCB | ZG1Cr18Ni9Ti | CF8 (304) |
CF3 (304L) |
ZG1Cr18Ni12Mo2Ti | CF8M (316) |
|
| Sealing surface | Cr13 or Hard alloy |
Body (W) or carbide (Y) | ||||||
| Valve stem and internal parts | 2Cr13 | 1Cr18Ni9Ti | 0Cr19Ni9 (304) |
00Cr19Ni11 (304L) |
1Cr18Ni12Mo2Ti | 0Cr17Ni12Mo2 (316) |
||
| filler | flexible graphite | |||||||
| Gasket | Stainless steel spiral wound gasket | |||||||
| Applicable working conditions | Applicable media |
water air |
Corrosive media such as nitric acid | Strong oxidizing medium | Corrosive media such as acetic acid | |||
| proper temperature | -29～425℃ | -40～500℃ | ||||||
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