8J5451 Valve is part of a Control Valve.
Pressure setting of relief valve … 2250 ± 25 psi(15 500 ± 170 kPa)
with a flow of … 45 ± 1 U.S. gpm (170 ± 4 litre/min)
(1) Adjustment screw:
One half turn (180°) of screw changes pressure setting … 155 psi(1070 kPa)