&"50/7JDLFST4DSFX*O$BSUSJEHF7BMWFT77-07.$&4FQUFNCFS&
137
Pressure reducing valve
Pilot operated
Reduced Pressure
Characteristics
Cartridge only
3"5*/(4"/%41&$*'*$"5*0/4
1FSGPSNBODFEBUBJTUZQJDBMXJUIGMVJEBUD4U464BOE¡$¡'
5ZQJDBMBQQMJDBUJPOQSFTTVSF CBSQTJ1PSUUP!-NJO64HQN
CBSQTJ1PSUUP!-NJO64HQN
$BSUSJEHFGBUJHVFQSFTTVSFJOGJOJUFMJGF CBSQTJ
3BUFEGMPX -NJO64HQN
*OUFSOBMMFBLBHF N-NJOJO
$BWJUZ $
4UBOEBSEIPVTJOHNBUFSJBMT "MVNJOVNPSTUFFM
5FNQFSBUVSFSBOHF ¡UP¡$¡UP¡'
'MVJET "MMHFOFSBMQVSQPTFIZESBVMJDGMVJETTVDIBT
.*-o)o4"&4"&FUD
'JMUSBUJPO $MFBOMJOFTTDPEF
8FJHIUDBSUSJEHFPOMZ LHMCT
4FBMLJUT o#VOBo/
o7JUPO
¥
7JUPOJTBSFHJTUFSFEUSBEFNBSLPG&*%V1POU
3
2
1
1
2
3
210
140
6000
5000
4000
3000
2000
1000
0
0 5 10 15 20 25 30
70
280
350
415
100806020 40
Pressure - psi
Pressure - bar
0
Flow - L/min (21,8 cSt oil @ 49ºC)
Flow - USgpm (105 SUS oil @ 120ºF)
Description
The PRV11-12 is a screw-in
cartridge type,
p
ilot operat-
ed
,
sliding spool, adjustable
pressure
reducing valve.
Operation
The PRV11-12 is normally
open, allowing flow from
port 2 to port 1 (port 3
must be vented). Once the
pressure setting is reached
at port 1, the spool shifts to
restrict the inlet flow at port
2, which regulates the pres-
sure at port 1.
Functional Symbol
Sectional View