493 790 Cartridge pressure relief valve, direct operated type

Cartridge pressure relief valve,
direct operated type UZPD 6.
!"#$ %
up to&'31,5
MPa
()*
WK
493 790
. 3
+'40
,/-"0
up to
dm
/min
'#*
+''',*
05.2011
APPLICATION
Pressure relief valves type UZPD 6 serves to limit pressure
in hydraulic systems.
DESCRIPTION OF OPERATION
The valve UZPD 6 is direct operated pressure relief valve.
Controllable pressure affects surface difference 2 of the
valve spool 1.
The spring 3 holds the spool in its initial position (closed).
Ports P and T reaches the set value of the spring, the valve
opens allowing free oil flow.
TECHNICAL DATA
!-,./01 234/5
6/07,83 -/3
9-:/083 234/5 ;/<=-</>?
%& :: +@< 8> >7:A7,8>4,7 %+B "
C/<=-</>? ,8017
+DB 4A >- %B' :: +@<
EA>/:4: F-,./01 >7:A7,8>4,7 ,8017
%)% 4A >- %+B "
G34/5 >7:A7,8>4,7 ,8017
+#% 4A >- %#% "
H,7<<4,7 <7>>/01
5 6H8J
MPa;)'
106H8J
MPa;
MPa;
I
+'20
6H8J
%' 31,5
6H8 MPa
68K F-,./01 A,7<<4,7
31,5
MPa
%' 6H8
68K 833-F8L37 234/5 23-F
%
3/min
@:/0*
)''dm
5:
40
M7N4/,75 234/5 2/3>,8>/-0
)O :
M7=-::70575 234/5 2/3>,8>/-0
)' :
!7/1P>
Q 'D+ .1
Type UZPD6
()(
WK 493 790
!"05.2011
#$% &$'
1234566 578 917739:;17 8;(37!;17!
A-<*I E(,/01 )B K +DOI
A-<*# E(,/01 )IDO K )DB
A-<*O E(,/01 )I K +
R :8K #D$
V/:70</-0< -2 =8;/>?
W/1P>70/01 >-,N47 -2 ;83;7 =8,>,/517 ( B'9:
6-40>/01 A-</>/-0(40,7<>,/=>75
)34<14(5793 9=423!
8> ν X #) ::+@< 805 >7:A* %+% "
Flow curve
+'
A T 6H8 U
)O
)+
B
#
+'
#'
O'
S T 5:% @ :/0 U
!-,./01 A,7<<4,7 /0 ,738>/-0 >- 23-F
WK #$%
493&$'
790
!"
05.2011
(+(
Type UZPD6
>45)?;956 !@(A16
W?A7 abHV O
?1F :1 14834
E,57,< =-575 /0 >P7 F8? <P-F75 L73-F <P-435 L7 2-,F8,575 >- >P7 :80428=>4,7,
abHV O
'+
+
R
!$J"$K 0L-P$J
'+
T'+ ( '$U
X '+
X /0<>8338>/-0 805 =-007=>/-0 5/:70</-0 40=P80175
Presssure setting
)J$KKLJ$ K$GG"0H
up to 5
MPa
5- I 6H8
up to 10 MPa
5-to
)' 20
6H8 MPa
up
5+'
6H8 MPa
up to 31,5
= 50
X= 100
I'
X
)''
= 200
X= +''
315
!$GG"0H $I$-$0G
`7> <=,7F F/>P /0>7,083 P7K81-0
X+
!$*I"0H
2-, 234/5< -0 :/07,83 -/3 L8<7
2-, 234/5 -0 AP-<AP8>7 7<>7, L8<7
X 0- 57<>/108>/-0
XC
<LJGM$J J$NL"J$-$0GK GO P$ *,,$, "0 G$QG RGO *HJ$$ S"GM GM$ -*0LT*UGLJ$JV
Coding example: UZPD6 / 02 - 100 YEVZ9[
-2
\]^6H_\B
=C)8 % / 'D E D'' E &
Type UZPD6
(%(
WK 493 790
!"
#$% &$'
05.2011
PONAR Wadowice S.A.
ul. Wojska Polskiego 29
34-100 Wadowice
tel. +48 33 488 21 00
fax.+48 33 488 21 03
www.ponar-wadowice.pl
WK
493&$'
790
!" #$%
05.2011
(#(
Type UZPD6