Description
Lightweight, spring-loaded emergency vents for aboveground storage tanks, required by code to protect against over-pressurization during fire exposure. These pressure-relief-only devices must be used with a normal vent. Available in male thread, female thread, and flanged configurations from 2″” to 10″” sizes, featuring optional insect screens on most models.
Features
- Lightweight spring-loaded pressure relief design
- Pressure relief only — must be used in conjunction with a normal vent or pressure-vacuum vent
- Available configurations: male threaded (245M), female threaded (245), flanged (245F)
- Available sizes: 2″”, 3″”, 4″”, 6″”, 8″”, 10″” (configuration dependent)
- Screen option available on most models
- Flanged kit option available: includes vent, flange adaptor, gasket, and hardware
- Aluminium body and cover
- FKM seat
- Zinc plated steel bolt
- UL Listed
Applications
- Aboveground storage tanks (AST) for petroleum and flammable/combustible liquids
- Tanks built and tested to UL 142, NFPA 30 & 30A, and API 650
- Fuel storage facilities, bulk plants, and service stations
- Applications requiring compliance with IFC, NFPA, PEI, UL, or ULC standards
Certifications & Approvals
- UL Listed: UL-2583
- ULC Listed: CAN/ULC S601, CAN/ULC S602, CAN/ULC S652
- Code Compliance (when properly sized): International Fire Code · National Fire Code of Canada · NFPA 20, 30, 30A, 31, 37, 110 · PEI RP200, PEI RP800 · UL-142, UL-2085, UL-2244
