PRODUCT NAME:
One. Functions and Features
1. The main body of this series of gate valves is a wedge-type single gate bidirectional seal, with simple structure, compactness and reliable sealing.
2. Main features and uses: The purge device can clean and flush pipelines, valves, etc., which are easy to coke and granular media, and effectively improve the service life of the system.
Two. Material selection
Part Name Material code | Valve body, bonnet | Valve body, bonnet | Stem | Stem nut | filler | Gasket | proper temperature(℃) | Applicable medium |
C | WCB | 2Cr13 | ZQAL9-4 | Graphite asbestos packing | Rubber asbestos sheet | ≤450 | Water, steam, oil | |
I | Chrome-molybdenum steel | Chromium nickel titanium steel | alloy steel | High temperature resistant asbestos packing | Stainless steel belt and asbestos board | ≤530 | ||
P | Chromium nickel titanium stainless steel | 1Cr18Ni9Ti | Flexible graphite | Acid-resistant asbestos spiral wound gasket | ≤200 | Nitric acid |
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