Description
The Armstrong International C3510-12 is a Series 1AV Cast Iron Free Floating Lever Air and Gas Vent engineered for reliable automatic venting of air and non-corrosive gases from steam and hot water systems. Built to handle demanding industrial and commercial HVAC and hydronic applications, this vent features a rugged cast iron body that delivers long-lasting durability in high-pressure environments.
Key Features
- Series 1AV free floating lever design for automatic, continuous air and gas venting
- Cast iron body construction for strength and long service life
- 3/4″ NPT inlet connection for straightforward in-line installation
- 1/4″ NPT outlet connection for convenient discharge piping
- Rated to 300 PSI maximum working pressure
- 5/64″ precision orifice for controlled, efficient venting
Specifications
- SKU: C3510-12
- Brand: Armstrong International
- Series: 1AV
- Body Material: Cast Iron
- Inlet Connection: 3/4″ NPT
- Outlet Connection: 1/4″ NPT
- Maximum Working Pressure: 300 PSI
- Orifice Size: 5/64″
- Vent Type: Free Floating Lever Air and Gas Vent
Applications
- Steam distribution and condensate return systems
- Hot water and hydronic heating systems
- Industrial process piping requiring automatic air/gas elimination
- Commercial HVAC boiler and piping systems
The free floating lever mechanism allows the vent to respond automatically to the presence of air or gas, opening to release trapped gases and closing tightly when liquid is present — helping to maintain system efficiency and prevent water hammer, noise, and reduced heat transfer caused by air binding.
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