feature
1. Dual stage composite exhaust structure
The large exhaust port is used to discharge a large amount of free air at high speed during water filling; The small exhaust port is used to automatically and continuously discharge trace amounts of dissolved gases during system operation, ensuring thorough and efficient exhaust.
2. Automatic air replenishment to prevent negative pressure
When the pipeline system stops pumping or generates negative pressure during drainage, the valve automatically opens to suck in air, preventing the pipeline from being sucked in and protecting the structural safety of the system.
3. High sensitivity and reliability
Adopting stainless steel floating ball and precision lever mechanism, it is sensitive to pressure and water level changes, accurate in opening and closing, reliable in sealing performance, and achieves zero leakage.
4. Wide adaptability to working conditions
The valve body can be made of ductile iron (lined with epoxy resin) or stainless steel material, and the sealing components can be selected from NBR, EPDM, etc. It is suitable for various media such as clean water, drinking water, and mild sewage.
5. Easy maintenance, sturdy structure
The valve body structure is compact and reasonable, with modular design of internal components for easy inspection and maintenance; The overall cast shell is pressure resistant and durable, with a long service life