CNC 104 Series Rim Vent provides low pressure only relief for storage tanks and originally designed for floating roof tanks.
Our Floating Roof vents come in the following configuration
The Floating roof rim Vent has a cast body which can be flanged or threaded for connection to the storage tank, the weatherhood protects the exhaust port of the rim vent from atmospheric conditions. The rim vents are fitted with a hinged pallet lift set to lift when the set pressure in the tank exceeds the set-pressure allaowing the air/gas to flow
Foot operated Lockable gauge hatches to allow easy access to liquid storage tanks for manual level measurement, Gauge hatches are available in aluminium or steel from 2" to 12"
Gauge Hatches combined with Pressure and Vacuum Relief CNC 103 Combination Gauge Hatches are a combined unit allowing access for manual level gauging or sampling and providing pressure & vacuum relief