HA 5235
6/2014
1-5/16-12 UN-2A • p
max
350 bar • Q 150 L/min
Flow Divider/Combiner
SFD2F-D4/l
4
2
3
Functional Description
The valve consists of a valve body, two regulating slide
valves mutually connected with a defined stroke and
with a fixed measuring orifice plate and three centring
springs.
The liquid flows from the channel (3) through
the measuring orifice plates to the channels (2) and (4).
At the same time the regulating slide valves are pressed
by the pressure difference one from the other against
the outer centring springs. If the load of the channels (2)
and (4) is the same the regulating slide valves are held
symmetrically to both the channels. At a different load
the slide valve on the side of the lower load shifted by an
increased pressure drop so far against the spring
located behind the slide valve as a new force balance is
created caused by changed cross sections of both
the regulating slide valves. By this regulating course it is
ensured the ratio of division is maintained also at
a different load and it is compensated in essence also at
a variation of load pressures.
If the liquid cannot flow through one of the channels (2)
and (4) the increased dynamic pressure in this channel
causes the displacement of both the slide valves to
the opposite side and it results in the fact that the other
channel is closed. Then, a negligible rate of flow
of the liquid only can flow through the released orifice
of the nozzle enabling for example the balance of end
positions of two consumers.
In the opposite direction of flow both the regulating slide
valves are pressed one to the other. Also in this case
different load pressures or eventually their changes
by changing the position of the regulating slide valves
cause a change of throttling cross sections, therefore,
the combining the flows occurs also in the same ratio
of division.
As for appropriate basic surface finish the external parts
are zinc coated.
Replaces
HA 5235 7/2008
q
Divert flows largely independent to the load
q
Combine flows largely independent to the load
q
May be used for synchronisation controls
q
May be used as differential lock
2
3
4
2
HA 5235
0 20 40 60 80 100 120
33-100
50-150
70
60
50
40
30
20
10
0 5 10 15 20 25 30
1050
900
750
600
450
300
150
0
Pressure p barD []
Flow Q L/min[]
Flow Q US GPM[]
Pressure p PSID []
Ordering Code
SFD2F-D4/l
Flow Divider / Combiner
Technical Data
Cavity 1-5/16-12 UN-2A
Maximum flow L/min 150
Max. pressure bar 350
Division ratio % 50 - 50
Maximum variation of flow % ± 10
Pressure drops see Dp - Q characteristics
Hydraulic fluid Hydraulic oil (HM, HV) according to DIN 51524
Fluid temperature range °C -20 ... +90
Viscosity mm
2
/s 20 ... 400
Maximum degree of fluid contamination According to ISO 4406, Class 21/18/15
Weight kg 0.36
Maximum valve tightening torque
in valve body or in control block
Nm 70
+2
Mounting position Unrestricted
p-Q Characteristics Measured at n = 40 mm
2
/s
Capacity (input)
33 - 100 L/min
100
50 - 150 L/min 150
Seals
no designation NBR
HA 5235
STRUŽIT MIN. DO HL. 104.00
6HR1 1/2”
1-5/16-12 UN-2A
4
2
3
103.0
12.0
Cavity Measurements in millimeters
Dimensions Measurements in millimeters
HEX 38.0
1-5/16-12 UN-2A
104.00 MIN. REAMED
4
HA 5235
ISO A
Caution!
The packing foil is recyclable.
The technical information regarding the product presented in this catalogue is for descriptive purposes only. It should
not be construed in any case as a guaranteed representation of the product properties in the sense of the law.
Valve Bodies Measurements in millimeters
Seal kits on request.
Spare Parts
The use of aluminium bodies is limited to a maximum operating pressure of 210 bar.
Body without valve
Material Ports Port size Type code
Aluminium
2, 3, 4 G1/2 SB-D4-0105AL
2, 3, 4 SAE 10, 7/8-14 SB-D4-0106AL
Steel
2, 3, 4 G1/2 SB-D4-0105ST
2, 3, 4 SAE 10, 7/8-14 SB-D4-0106ST
Subject to alteration without notice!
ARGO-HYTOS s.r.o. CZ - 543 15 Vrchlabí
Tel.: +420-499-403111
E-mail: info.cz@argo-hytos.com
www.argo-hytos.com
