PressureR eliefV alve DBD2 0
PressureR eliefV alve
direct operated
Nom. size : 20
Nom. flow capacity : 200 l/min
Nom.o peratingp ressure: 315b ar
Description
Direcst pringp ressurere liefv alvet,y peD BD,a res uitable
for inlinem ountinga nd servef or limitationo f operating
pressurien h ydrauliscy stems.
Theo peraiinpgr essuries optionallayd justablbey hexagon
sockegt rubs crew( withp rotectiocna b)o rb y knob.
Ther elievf alvesa fea vailablien d ifferenpt ressurera nges.
Thev alvei s equippewd itha valves eats ealedb y a spring
loadedp oppet.
lf thes ets pringfo rcei s overcombey the linep ressurteh e
poppet lifts up from the seat and gives free flow from
pressurteo drainc hamber.
The valvesa re availablea s cart.idgeo r inlinep ressurc
relievf alves.
General characteristics
Construction
Mounting
Connectiosniz e
Dimensions
Wdght
Fittjngp osition
PermA. mbienTt emper.
cartridgety pe
inlinet ype
page 2
page 2
optional
9 , . " " =+66'6
Hydraulic characteristics
Seip ressurrea nge
Inpupt ressure
Outlept ressure
Fluidt emperature
Viscosity
Pv-Q-curve
Shocka bsorption
Hydraulficlu ids
Filtration
Pv min = 10 bar
pv md = 315 bar
Pe min = 20 bal
Pe m* = 325 bal
Pn na = 2'10 bar
9 ' . i n = - 2 0 " C
9. '", = +80'C
v min = 10 mm2/s
V ma = 600 mm' /s
page 3
PoPPewt ith
damping piston
hydraulic oils to
DtN5 1524I 25
otherfl uidso n request
<20lrm
rz 24u.20.99 1
KRACFGf|Im bH- ceweöestraß2e0 - D-5B791Werdo-h tT et:02392/ 9350 - Fax:02392/9352 09
e.mail;in fo@kracht-hydraulik.de