EN Catalog 2021-22 - Catalog - Page 174
PRESSURE
VACUUM VENTS
EBW ® pressure vacuum vents are used on storage tank vent
pipes to discharge vapours 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
aluminium. 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.
HIGHLIGHTS
5.56"
•
Two model types available: NPT/BSPT threads or O-ring
with locking screw.
•
NFPA 30°
4.66"
SPECIFICATIONS
Materials
• Body: aluminium
•
•
•
•
•
2.94"
800-303
Poppet: acetal
5.56"
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)
5.03"
4.00"
800-304
ORDERING INFORMATION
174
Size
Weight
Model
Description
mm
In.
Kg
Lbs.
80230301
PV Valve Aluminium Upward Discharge 2" NPT
51
2
0.85
1.88
80230321
PV Valve Aluminium Upward Discharge 2" BSPT
51
2
0.85
1.88
80230302
PV Valve Aluminium Upward Discharge 2" Screw Fixing
51
2
0.83
1.84
