KSEV TYPE EMERGENCY VENT COVER

According to API 2000,NFPA 30,ISO 28300 Code.
The series KSEV is designed to provide emergency pressure vacuum relief for storage tanks when exposed to overpressures and overvacuum that are not handled by standard tank vents.
These vents provide the capacity to meet API standard 2000 for emergency venting due to fire exposure when properly sized.
These covers also provide quick easy access for tank inspection and maintenance.

Vent Operation
The KSEV emergency pressure relief vent provides pressure vacuum relief.
When excessive pressure builds within the storage tank the KSEV series emergency pressure relief vent begin to open at a predetermined set pressure relieving excessive pressure.
When the overpressure has dissipated the cover reseat onto the base.

Construction
The series KSEV is available in several materials that are corrosion resistant to most petroleum product applications.
See Standard material of construction table for available material.
Predetermined pressure / vacuum setting range is from a minimum of 25/-25mmW.C to a maximum of 700/-700mmW.C
Sizes are 400, 450, 500 and 600mm with flange drilling according to ANSI 150lb or API650.