EBW pressure vacuum vents are used on storage tank vent pipes to discharge vapors upward into the atmosphere. The top casting is dome-shaped to quickly drain off moisture including rain, snow and ice. Body and cover are cast aluminum. 2″ and 3″ models have vent rates of 8000 cubic feet per hour, and produce 8.0 ounces of pressure and 0.5 ounces of vacuum.

• Two model types available, NPT/BSPT threads or O-ring with locking screw.
• NFPA 30.

Materials

• Body: aluminum.
• Poppet: acetal.
• Spring: stainless steel.
• Screws: zinc plated steel.
• Screen: brass.
• These vents should not be used on UST with a throughput of 100,000 gallons or more per month (per 40 CFR 63 subpart CCCCCC).