Hydraulic cartridge relief valve
100 l/min, 350 bar | CRQ
Duplomatic Oleodinamica
cartridge type that can be used in blocks or panels with D-
10C type seat.
— It is normally used to control the hydraulic circuit pressure
and allows use of the entire flow of the pump even at
pressure values near the set value.
— It is available in four different pressure control ranges up
to 350 bar.
— It consists of a main balanced type spool and a pilot
stage. The main spool, normally closed, opens when the
circuit pressure exceeds the set value generated by the
pilot stage, discharging the excess flow in port T, directly
connected to the tank.
— The pressure is adjustable with a screw, usually supplied
as the countersunk hex type, equipped with locking nut
and with maximum adjustment limiter.
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