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Float Style Air Vents, Eliminators

Automatic air vents

Air Vent Trap

Automatic air vent allow air to escape during the priming of piping systems, filling of closed tanks, receivers and air entrainment separators.  This mechanical style float air vent trap is designed to remove high volumes of air from liquids under pressure up to 250 PSIG.

Air, steam and other gases can pass from the inlet at the bottom through the open valve at the top until the body fills with liquid, causing the stainless steel float to rise and close the valve.  All of the internal components are made of non-magnetic 18-8 stainless steel and connected to the trap cover for easy inspection.  The trap bodies are cast from iron, steel or stainless steel depending upon the compatibility requirements.

Applications for high capacity venting applications include venting air from dry cleaning solvent filters, air separation tanks and air trapped in high points of supply lines and receiving tanks.

 

Air Vent Capacity Chart

PRESSURE APPROXIMATE CAPACITY [SCFM] BY ORIFICE SIZE
5/32" 3/32" 5/64"
5 5 2 2
10 7 3 3
15 9 4 4
20 10 5 5
25 12 6 5
50 17 8 7
75 19 9 9
100 22 12 10
125 25 15 11
150 27 17 12
200 32 22 13
250 35 25 16