Toggle navigation
Home
Product Categories
Additive Systems
Agricultural Equipment
Air Line Filters, Regulators & Lubricators
Aircraft Fueling Equipment
Bitumen Equipment
Couplings - Hose & Tank
Drum Equipment
Farm Fueling Equipment
Filtration & Filter Vessels
Fire Equipment
Flame & Detonation Arresters
Flow Meter Displays & Controllers
Flow Meters
Food Handling Equipment
Fuel & Oil Management Systems
Fuel Testing & Calibration
Hose & Accessories
Hosereels
Loading Arms
LPG Equipment
Lubrication Equipment
Marina & Bunkering Equipment
Mining Equipment
Nozzles
Overfill Protection & Static Grounding
Pipe Fittings
Pumps
Railcar Equipment
Service Station Equipment
Swivels & Swivel Joints
Tank Equipment
Tank Level Monitoring
Tank Truck Equipment
Terminal Equipment
Underground Storage Tank Equipment
Valves
Vents
Product Brands
Acodex
Apollo
Atkinson
Ebsray
EBW
Elaflex
Eton Carter
Fillrite
GoldenRod
GPI
Husky
Liquip
OCV
Piusi sPa
Protectoseal
Samoa
SAMPI
Searle
Silea
Todo
Velcon
WAM
Contact
Series 52500 Emergency Pressure/Vacuum Manhole Cover Vent
Provides emergency pressure relief and normal vacuum relief when installed on the manhole flange of a storage tank. The pressure cover lifts only far enough to flow at its rated capacity should high tank pressure be encountered. It then reseals automatically when the tank pressure is reduced.
Vents directly to atmosphere.
Pressure setting achieved by weight loading.
Vacuum setting achieved by spring loading.
Reseats automatically.
Patented, FEP film "Air-Cushioned Seating".
Easy access manway facilitates inspection and repairs.
Sizes:
16" (DN400) through 24" (DN600)
Flange Pattern:
ANSI or API Standard, DIN Optional
Material/Construction:
* Carbon Steel * Aluminium * Stainless Steel * AlloyC276 * Special Coating
PRODUCT ID:
52500 Series
Resources
Associated Equipment
Spare Parts
Video
Product Sheet