

CHECK VALVE FOR AUTOMATIC AIR VALVE
A compact and reliable air-bleeding valve that automatically releases trapped air from hydronic water systems while preventing backflow via an integrated check valve. Ideal for heating, cooling, and plumbing circuits where maintaining system efficiency and preventing air pockets is essential.
Product Details
Technical Specifications
Specification | Details |
---|---|
Product Type | Automatic Air Vent with Built-in Check Valve |
Body Material | Brass (nickel-plated options available) |
Connection Size & Type | 1/8″, 1/4″, 1/2″ male threaded (NPT or BSP) |
Seal Material | Silicone rubber or EPDM |
Float Mechanism | Free-float polyethylene or stainless steel |
Service Check Valve | Integrated for maintenance without system drain |
Max Operating Pressure | Up to 150 psi (10 bar) |
Max Discharge Pressure | Approx. 90 psi (6 bar) |
Max Operating Temperature | 240–250 °F (≈115–120 °C) |
Vent Discharge Rate | Typically ~1.75 SCFM at 25 psi |
Vacuum Breaker Function | Opens to allow air entry if system pressure drops below atmosphere |
Orientation | Vertical mount |