Bellows safety valve
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How to determine whether a safety valve is a corrugated safety valve.
The nameplate of the safety valve indicates its model, which includes the type of safety valve
Both national and American standards are assigned codes, which are indicated on the brand names; you can check them
1. Check the safety valve model. 2. Check the medium.
First, check if there is a data table; if so, you can use it to see if there is backpressure. If not, look inside the valve outlet to see if there are any wave-shaped components