This 1/4-inch straight steam air vent purges air from a one-pipe steam convector so steam can enter, then closes when steam reaches it. The larger 1/4-inch shank and telescopic siphon tube with an angle cut assure drainage back into the convector.
Key Features:
- Automatic Air Venting -- Opens to release air, then closes when steam or heat reaches the valve.
- Telescopic Siphon Tube -- Angle-cut tube assures drainage back into the convector, preventing spitting.
- Non-Adjustable Port -- Single fixed orifice for small steam systems and convectors.
- 1/4 in. NPT Straight Shank -- Larger straight shank threads into a convector heating element.
- Pressure Rating -- Maximum operating pressure 6 psig; maximum pressure 10 psig; non-vacuum.
Where to Use:
- Building maintenance -- Replacing failed, noisy, or spitting air vents on one-pipe steam radiators and convectors
- Steam system balancing -- Sizing vents by distance from the boiler so radiators heat evenly across the building
- Property heating upkeep -- Seasonal vent replacement in apartment buildings and older steam-heated properties