Page 133 - Webster Service Manual

128
Relief Valve Installation
To
Tank
Pressure
Pressure
To
Tank
RV-2000
The RV-2000 series regulating valve can also be used
as a relief valve. Designed to provide system pressure
relief for #1 through #6 fuel oil grades and for rated
pressure ranges of 0 to 500 psi. @150 gph or less. The
following adjustment ranges are available 100-330 psi
use RV-2002, 10-25 psi use R V-2003, 40-110 psi use
RV-2004. Pipe as configured.