OPW FC 623V-3203 3" Pressure Vacuum Vent Blow Guns meterThe 901C is a 4-digit

meterThe 901C is a 4-digit mechanical fuel transfer meter

Designed for use as access ports in driveways where limited access or watertight conditions are not required

shoulder bearing diameters and impact absorbing stops

Body and cap: Ductile iron

OPW FC 623V-3203 3" Pressure Vacuum Vent Blow Guns meterThe 901C is a 4-digitPressure Vacuum Vents are installed on the top of vent pipes from underground or aboveground fuel storage tanks. The vent cap and internal wire screen are designed to protect the tank vent lines against intrusion and blockage from water, debris or insects. A normally closed poppet in the valve opens at a predetermined pressure or vacuum setting to allow the tank to vent. Pressure Vacuum Setting 2. 5" to 6" water column pressure settings and 6" to 10"