Carb adopted rule 461 in 1976 and amended it in 1995.
Tank truck vapor recovery system.
A supplemental vent designed for installation in tank vehicle vapor recovery system to provide venting protection in the event the vapor recovery system should be closed or blocked while discharging product from the tank.
An onboard refueling vapor recovery system orvr is a vehicle fuel vapor emission control system that captures volatile organic compounds voc potentially harmful vapors during refueling.
The petrogas system reduces costs by only operating a single pump when the truck rack is active and becoming dormant when the truck rack is inactive.
Temperature vapor pressure etc.
Rule 461 applies to the transfer of gasoline from any tank truck or mobile fueler into any motor vehicle fuel tank.
Page needed there are two types of vehicle emission control systems.
Reliability two years with a mean time between repairs of three months and zero truck rack down time due to vapor recovery system malfunction.
Vapors recovered as liquids have yielded 0 1 1 0 of the volume of gasoline loaded depending on many variables i e.
Petrogas systems are fire safe.
The orvr and the stage ii vapor recovery system without either of these two systems fuel vapors trapped inside gas tanks would be.
Vapors are recovered as liquids returned to the storage tank and turned into profits.
A third method of voc removal from tank truck loading operations is to direct the displaced vapors to a combustion device such as elevated flares enclosed flares or natural draft thermal oxidizers.