1
Functional Description
q
3 way pressure compensated flow control valve
with integral reverse check valve
q
Sandwich plate design for use in vertical stacking
assemblies
q
Flow rate setting with adjustment knob
q
Installation dimensions to ISO 4401-03-02-0-94
and DIN 24 340-A6
q
Subplates - see Data Sheet HA 0002
P2
P1
3 way pressure compensated flow control valves are
designed to provide adjustable controlled flow rates
independent of changes in system pressure.
The flow control valve consists basically of housing (1),
throttling spool (2), pressure compensator (3), spring
(4) and hand knob (5) with adjustment mechanism.
Fluid from port P2 is divided into two parts, one part of
flow passes through orifice area (6) of the throttling
spool and onwards through bore P to port P1, the other
part proceeds through orifice area (7) of the
compensator to port T. The flow rate depends on the
orifice area (6) and is determined by rotating the
adjustment knob (5). The knob can be fixed at the set
position via adjustment screw (8). The compensator
compares continuously the pressure difference at the
orifice area (6) with the amount preset by the spring
pretension and modulates accordingly the orifice area
(7) of the compensator which relieves the excessive flow
to tank, thus holding the flow rate constant.
The valve housing is phosphate coated, the surfaces of
the other parts are zinc coated.
HA 5033
7/2012
Replaces
HA 5033 5/2008
Size 06 · p
max
320 bar · Q
max
16 L/min
3 Way Flow Control Valves
VSS1-306
2
HA 5033
Ordering Code
Functional Symbols
VSS1-306-16-11
3 way design
Valve size
Flow Control Valve
Flow rate
Q =16 L/min
Sandwich plate design without cover plate
Seal
no designation
V
NBR
FPM (Viton)
Functional symbol of the valve Typical application of the
valve in stacking assembly*
P1
P2
T2
A1
A2
B2
B1
B2
A2
T1
T2
P2
*Directional valve must be ordered separately
Valve size mm 06
Maximum flow L/min 16
Minimum flow cm
3
/min 60
Maximum operating pressure bar 320
Hydraulic fluid Hydraulic oils of power classes (HL, HLP) to DIN 51524
Fluid temperature range for (NBR) °C -30 ... +100
Fluid temperature range for ( Viton) °C -20 ... +120
Viscosity range mm
2
/s 20 ... 400
Maximum degree of fluid contamination Class 21/18/15 to ISO 4406
Permissible flow rate variation at pressure
change 6 ... 100%
% ± 10
Weight kg 0.8
Mounting position unrestricted
Technical Data
FOR PREFERRED TYPES SEE BOLD TYPING IN ORDERING CODE
AND TABLE OF PREFERRED TYPES ON PAGE 3
3
HA 5033
Characteristics Measured at n = 32 mm
2
/s
Flow rate dependent upon
scale adjustment setting
Flow rate dependent upon pressure
Flow [L/min]
Scale division on valve
Pressure in PSI (bar)
4 1 2
3
Valve Dimensions Dimensions in millimeters
Cover plate DK1-06/32-3 (see HA 0003)
Required surface finish of
interface
1 Name plate
2 O-ring 8 x 2 (4 pcs.), supplied with valve
3 Adjustment mechanism: clockwise rotation=flow decrease
counter-clockwise rotation=flow increase
4 Hole with set screw for fixing the handknob in set position
Scale division on valve
Pressure [bar]
Flow [L/min]
4
HA 5033
Caution!
The packing foil is recyclable.
The transport plate is to be returned to the supplier.
Mounting bolts M5x60 or assembly studs (4 pcs.) must be ordered separately. Tightening torque 8.9 Nm.
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.
Subject to alteration without notice!
ARGO-HYTOS s.r.o. CZ - 543 15 Vrchlabí
Tel.: +420-499-403111, Fax: +420-499-403421
E-mail: sales.cz@argo-hytos.com
www.argo-hytos.com
Spare Parts
Seal kit
Type
Dimensions, quantity
Ordering number
O-ring
Standard NBR
19,6 x 2,3 (1pc.)
20794900
8/4 1078 NBR80 (1 pc.)
16 x 2 (1 pc.)
9,25x1,68 (4 pcs.)
14 x 2 (1 pc.)
Viton
19.3 x 2.4 (1 pc.)
20794800
3 x 2.4 (1 pc.)
16 x 2 (1 pc.)
9.25 x 1.78 (4 pcs.)
14 x 2 (1 pc.)
Type Ordering Number
VSS1-306-16-11 20794000
Preferred Types of Valves
