406 AND 306 PRESSURE/VACUUM NORMAL VENT (FKM TYPE A (VITON®), DOT406 NORMAL VENT (PPV), ALUM.)

Dual Purpose Vent Roll Over Protection Compact Design Interior Mount The Betts’ Normal Vent is the proven standard of the fuel transport industry. Normal Vents (breather vents) are utilized to normalize internal tank vacuum and pressure, which is critical to keep the cargo tank pressure within safe design limits.

See the main product page for full details and other available configurations.

Specifications

• Part Number: 6496ALV
• Seal Material: FKM Type A (Viton®)
• Description: DOT406 Normal Vent (PPV)
• Mounting Threads: 1 5/8-12UN
• Body Material: Alum.
• Set Pressure (Out Breathing): 1.0 to 1.75 psig
• Pressure Flow Capacity (Out Breathing): 1,200 CFH @ 3 psi
• Vacuum Set (In Breathing): 0.25 to 0.375 psig
• Vacuum Flow Capacity (In Breathing): 3,350 CFH @ 1 psi
• Weight: 1 lbs