It is difficult for everyone to think about the maintenance work of butterfly valve without electric switch. Although there are many details involved, as long as we remember the contents described in this article, it can help people extend the service time of butterfly valve and improve its working efficiency. 　　

When selecting pneumatic valve products, practical application conditions, product structure, material differences, etc. shall be taken into consideration, and factors such as product failure rate, reputation and after-sales service shall also be fully considered.