Dixon Bayco 2000L 2 inch NPT(M) pressure/vacuum relief cap for fuel tanks

Dixon Bayco 2000L 2 inch NPT(M) pressure/vacuum relief cap for fuel tanks
These caps are threaded into the top of fuel storage tanks
Applications:
- they can be used as a thread in and lockable fuel filter cap
- they protect the tank from expansion or implosion, the internal relief valve is normally closed, but opens to relieve internal pressure or vacuum
Construction:
Die cast zinc body, brass screen
Features
Pad-lockable to prevent fuel theft and tampering
Safety notes:
To ensure that the cap can properly vent, the vent cap must be kept free of any debris i.e. dirt, snow, ice, rags etc
Specifications:
Manufactured to thread into both NPS and NPT tank openings
Use:
Normally closed vent stops fuel evaporation and airborne contaminants
Protects tank from pressure or vacuum build-up
Relieve pressure at 2 psi and vacuum at 0.7 HG at a rate of 20 SCFM
Can be used as a fuel filler cap