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SIDE MOUNTED VACUUM VENT |
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| SERIES | HOUSING | PALLETS | PALLET DIAPHRAGM |
| 16240 | Aluminum 356 | Aluminum | FEP Film |
| C16240 | Ductile Iron A536 | 316 S.S. | FEP Film |
| F16240 | 316 S.S. | 316 S.S. | FEP Film |
| RE16240 | Aluminim 356 | 316 S.S. | FEP Film |
| M16240 | Hastelloy A494 | Hastelloy C276 | FEP Film |
| Flange mating: | Aluminum: | Mates with 125# FF ANSI | |
| Other metals: | Mates with 150# RF ANSI |
Protectoseal Series No. 16240 Vacuum Relief Vents are intended for use where only vacuum relief is required. They are designed to be side mounted to the tank structure or piping. A pallet in the vent housing retards air intake as the tank normally breathes in due to atmospheric temperature changes or
emptying of the tank. The pallet opens and closes to permit only that intake relief necessary to avoid tank damage under normal operating conditions.