DESCRIPTION
Protectoseal Series No. 7800 Emergency Pressure Vents are designed to provide emergency relief capacity beyond that furnished by the operating vent on tanks. The Series No. 7800 vents do not provide vacuum relief.
• Sizes 2″ (DN 50) through 24″ (DN 600)
• Settings achieved by weight loading
• Reduces costly evaporation losses
• Provides emergency relief in the event of external fire
• Leakage rate of less than 1 SCFH of air at 90% of set point
• Patented, FEP film “Air-Cushioned Seating”
• Low-leak pallet design – certified test reports
• Conforms with European ATEX Directive 94/9/EC
• Factory tested / certified for leakage and correct settings
• Available in Aluminium, Stainless Steel, Carbon Steel, and Alloy C / C276