油流反向通过QF型调速阀时，减压阀对节流阀不起压力补偿作用，使调速阀变成节流阀。故当进、出油腔油液压力发生变化时，流经的流量就会发生变化，从而引起流量不稳定。
S T6C 003 1R02 B1
S T6C 003 1R03 B1D41FBE01FC4NS0010
D41FBE01FC4NM0010
D41FBE01FC4NKW010
D41FBE01FC4NJW010
D41FBE01FC4NG0010
D41FBE01FC4NF0010
D41FBE01FC2NS0010
D41FBE01FC2NKW810
D41FBE01FC2NKW010
QXR
QXR
QXR
QXR
QXR
QXR
QXR
QXR
QXR
QXR
QXR
D41FBE01FC2NJW010
D41FBE01FC2NF0810
D41FBE01FC2NF0010
D41FBE01FC1NS0010
D41FBE01FC1NKW010
D41FBE01FC1NJW010
D41FBE01FC1NF0010
D41FBE01CE2NKW010
D41FBE01CC4NJW010
D41FBE01CC4NJE010EE
D41FBE01CC1NKW010
D41FBE01CC1NJW010
D41FBE01BK4NKW010
D41FBE01BC1NJW010
D41FBB32FC5NJW010
D41FBB32FC4VKW010
D41FBB32FC4VF0010
D41FBB32FC4NS0010
D41FBB32FC4NM0010
D41FBB32FC4NKW010
D41FBB32FC4NF0810
S T6C 005 1L03 B1
S T6C 005 1R00 B1
S T6C 005 1R01 B1
S T6C 005 1R02 B1
S T6C 005 1R03 B1
RA10VSO28DFR1/31R-PPA12N00,
RA10VSO71DFR1/32R-VPB22U99-S2183,
RA10VSO71DFR1/32R-VPB22U99-S2184,
RA10VSO100DFR1/32R-VPB12N00-S2184,
RA10VSO140DFRS/32R-VPB12N00,
RA10VSO45DFR1/32R-VPB12N00,
RDB10-1-4X/200W65,
RDB10-1-4X/50UW65,
RDB20-1-4X/100W65,
RDB20-1-4X/200W65,
RDB20-1-4X/50UW65,
RDBDS10K1X/200,
RDBDS10P1X/200,
RDBEM10-5X/100YG24K4M,
RDBEM10-5X/200YG24K4M-1,
RDBEM10-5X/200YG24K4M,
RDBEM 10-5X/315YG24K4M,
RDBET-5X/200G24K4M-1,
RDR20-4-5X/200YM,
RDRV-10-01.X/O,
RDRV-12-01.X/O,
RDZ10DP2-4X/150Y,
RFSAT/12,
RFSA76-1.1/T/12,
RHED80A1X/200K14KW,