Keywords：Exhaust valve, spiral collection valve, spiral microbubble automatic exhaust valve, spiral microbubble exhaust valve, spiral exhaust valve, exhaust valve manufacturer, all copper automatic exhaust valve, drain valve, magnetic rod

Description：The ACOL Excoll spiral collection valve AS30/M series releases air or other gases from the system into the surrounding atmosphere. The core component is a wire mesh core that adopts a unique design and has been verified through years of practice. This core can effectively separate particle dirt in water and minimize pressure loss.