Operating temperature classification

2023-12-06


1. Ultra-low temperature valve: for medium operating temperature t<-100℃ valve.
2. Low temperature valve: for medium operating temperature -100℃≤t≤-40℃ valve.
3. Normal temperature valve: for medium operating temperature -40℃≤t≤120℃ valve.
4. Medium temperature valve: used for medium operating temperature of 120℃
5. High temperature valve: for medium operating temperature t>450℃ valve.