ALVN Petroleum Manhole Cover
The ALVN Petroleum Manhole Cover Offers the Security, Access and Safety for Real-World Use
The Civacon ALVN Pressure-Activated Fill Cover (PAF) is made from high-strength aluminum, providing protection against rust as well as weight reduction. Civacon’s ALVN Manhole Cover weighs up to 30% less than competitive DOT406 Manhole Covers on the market today.
The 10" PAF is factory set to open at 3.63 psig, and features easy set pressure adjustability without the worry of compromising emergency venting capacity.