Description
The FIG 749 / 749BSP vent installs atop underground and low volume aboveground storage tank vent pipes, allowing controlled breathing during filling and discharging. Poppets seal vapors when pressure is equalized. The 749T variant is designed for Diesel Exhaust Fluid (DEF) and products requiring PTFE and stainless steel construction.
Features
- Vents vapors outward and upward in compliance with NFPA 30
- Pressure and vacuum poppets seal vapors when pressure is equalized
- Integrated internal drain hole sheds water away from the tank interior
- Stainless steel screen (40 mesh) protects against debris and insects
- Conserves fuel vapors
- Certified CFH ratings
- BSP thread variant (749BSP) available for international installations
Options
- Thread types: NPT threaded (749), BSP threaded (749BSP), Slip-on (749T)
- 3″” connection: Available via 2″” body with 3″” reducer installed (FIG 749 suffixes 1100/1200)
- DEF / chemical service: 749T with PTFE-coated hood, HDPE body, stainless poppet, and PTFE pipe seal
- Pressure settings: 8 oz/sq.in. or 12 oz/sq.in. (settings are approximate)
Applications
- Underground petroleum storage tanks
- Low volume aboveground storage tanks
- Retail motor fueling installations
- DEF and chemically sensitive fluid storage (749T)
Certifications
- CARB 95-14 (model 749CRB0500) / CARB 95-15 (model 749CRB0600)
- CARB 96-20 (model 749CRBS0500) / CARB 96-19 (model 749CRBS0600)
- Designed for use on tanks built to UL 142, NFPA 30 & 30A, and API 650
