主阀调压失灵和卸荷时的冲击噪声等。后者可通过调节加置的缓冲器来减少或消除。如不带缓冲器，则可在主阀溢流口加一背压阀。(压力一般调至5kgf/cm2左右，即0.5MPa)。
AGMZO-AY 20
AGMZO-Anbsp;
AGMZO-Anbsp;
AGMZO-AE
AGMZO-AY
AGMZO-Anbsp;
AGMZO-AE 20 DC /G35JOAA5VSX2HA
DC /G35JOAA5VSX2HA
DC
Dnbsp;
DCS T6DCR01 B1
S T6DCR00 B1
S T6DCR00 B1
S T6DCR01 B1
S T6DCR12 B1
S T6DCR15 B1
S T6DCR16 B1
S T6DCR01 B1
S T6DCR01 B1
S T6DCR02 B1
S T6DCR01 B1
S T6DCR00 B1
SMT6DCL03 B1M0
S T6DCR00 B1
SMT6DCR03 B1M0
S T6DCR00 B5
S T6DCR00 B1
DC
D
DP80FAA-04NEM2-0
DE
DC
DC
DC
DC/G60JOAA6VSX2HA
D
DAG75HOA06VSP2HA
D
D
D
DP60HAAF6VSX2B
D661—4627A G75HOAO6VSP2H.A
DC
DP30HAAD6VSX2-B
DCG45JOAB6VSX2HA
DC
DA
DE
D
D
DC/G75JOAA6VSX2HA
DD-5
D
D
D
D662-P01JAMF6VSX2-A
AGMZO-AY
AGMZO-Anbsp;
AGMZO-Anbsp;
AGMZO-AY
AGMZO-Anbsp;
AGMZO-AEnbsp;
AGMZO-AEnbsp;
AGMZO-AEY 10
AGMZO-AEnbsp;
AGMZO-TERnbsp;
AGMZO-TERnbsp;
AGMZO-TERnbsp;
AGMZO-TERY 40
AGMZO-TERnbsp;
AGMZO-TERY 40
先导式减压阀
AGRCZO-AP 10
AGRCZO-Anbsp;
AGRCZO-AP 10
AGRCZO-Anbsp;
AGRCZO-AP 10
AGRCZO-AR 10
AGRCZO-AEnbsp;
AGRCZO-AEnbsp;
AGRCZO-AEP