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Series 51600 Hinged Emergency Pressure Manhole Cover Vent
Brand: Protectoseal CompanyProtectoseal Series 51600 Hinged Emergency Pressure Manhole Cover Vent provides emergency pressure relief for storage tanks that are exposed to an external fire.
They are designed for installation on the manhole openings of tanks and provide a means of relieving large volumes of vapors, beyond the capacity of a normal operating vent.
The Series 51600 design allows for higher pressure relief settings than are available on our Series 53300 Emergency Pressure Manhole Cover Vent.
Series 51600 Manhole Cover Vents do not provide vacuum relief.
Vacuum relief must be supplied by the operating vent with which the tank is equipped. See Protectoseal Series 830, 8540, 6240, 16240 and 18540.
Series 52500 Manway Cover Vents include pressure and vacuum relief.
Features- Vents directly to atmosphere
- Sizes 16" (DN 400) through 24" (DN 600)
- Pressure setting achieved by weight loading
- Hinged/counterweight design allows for higher settings
- 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
Specifications
Brand
Approvals & Certifications
- ATEX
Enclosure, Body Material
- 316 Stainless Steel
- Aluminum
- Carbon Steel
Flange Size - 16” (DN 400)
- 16” (DN 400) - PN 16
- 16” (DN 400) - 150#
Flange Size - 18” (DN 450)
- 12” (DN 300) - 150#
- 12” (DN 300) - PN 16
Flange Size - 20” (DN 500)
- 20” (DN 500) - 150#
- 20” (DN 500) - PN 16
Flange Size - 24” (DN 600)
- 24” (DN 600) - 150#
- 24” (DN 600) - PN 16