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Overload relief valve (ORV) operation
ΘÚ
O
O
peration during suction
Û
If there is negative pressure at port P (or the tank passage pressure is higher than P pressure),
the socket is applied with press and open force. Then, the opening between body seat and socket
increases to cause the oil to flow into port P from the tank passage, filling up the space.
Tank passage
P
Body seat
Socket
ORV operation (during suction)
R35Z72MCV35
