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Series 53300 Emergency Pressure Manhole Cover Vent
Brand: Protectoseal CompanyProtectoseal Series 53300 Emergency Pressure Manhole Cover Vents provide emergency pressure relief for storage tanks as well as convenient access for tank cleaning, inspection and repair work.
They are designed for installation on the manhole opening of tank and provide a means of relieving large volumes of vapors, beyond the capacity of a normal operating vent, if an emergency fire involvement of the tank should occur.
Series 53300 Manhole Covers do not provide vacuum relief.
Vacuum relief must be supplied by operating vents such as Protectoseal Series 830, 8540, 6240, 16240 and 18540.
Series 52500 Manway Cover Vents provide pressure and vacuum relief.
Features- Vents directly to atmosphere
- Sizes 16" (DN 400) through 24" (DN 600)
- Pressure setting achieved by weight loading
- Bonding wire prevents loss of cover
- Easy removal of cover allows for tank access
- Patented, FEP film “Air-Cushioned Seating”
- Low-leak pallet design - certified test reports
- Conforms to the latest ATEX Directive
- Easy access manway facilitates inspection & repairs
- Available in Carbon Steel, Aluminum, Stainless Steel and FRP
Specifications
Brand
Approvals & Certifications
- ATEX
Enclosure, Body Material
- 316 Stainless Steel
- Aluminum
- Carbon Steel
- Fiberglass Reinforced Thermoplastic
Flange Size - 16” (DN 400)
- 16” (DN 400) - PN 16
- 16” (DN 400) - 125#
Flange Size - 18” (DN 450)
- 12” (DN 300) - 125#
- 12” (DN 300) - PN 16
Flange Size - 20” (DN 500)
- 20” (DN 500) - 125#
- 20” (DN 500) - PN 16
Flange Size - 24” (DN 600)
- 24” (DN 600) - 125#
- 24” (DN 600) - PN 16