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Fine feed / fast approach unit
Fine feed/fast approach valve Fine feed / fast approach valves

DIMENSIONS Fine feed- / fast approach valve
VQDSA06-A., VQDSA06-BV., VQDSA06-P., VQDSA06-T. VQDSA06-AV., VQDSA06-B. Sandwich construction
T
T • Q max = 80 l/min (Fine feed) NG10
A B A B • Q max = 120 l/min (Fast approach) ISO 4401-05
• Q = 70 l/min
80 P N max
P • p = 350 bar
10 MD=50Nm 10 MD=50Nm max
MD=50Nm MD=50Nm A B deSCrIPTION FUNCTION APPLICATION
Fine feed- / fast approach valve in sandwich The fine feed- / fast approach valve serves The fine feed- / fast approach valves are uti-
55.6 max. 120 63.5 63.5 120 55.6 max. construction. 2-way flow control cartridges for the electrically controlled two-stage speed lised in hydraulic systems, which require an
239.1 239.1 (see data sheet 2.5-550) and 2/2-way solenoid control. Fine feed and fast approach. At the fine electrically controlled fine feed- / fast approach
poppet valve cartridges 1.11-2076 are installed.
feed the volume flow is controlled by the flow
changeover, such as positioning controls on

44.5 2 standard nominal volume flow ranges are control valve, to the manually adjusted value machine tools or elevation controls of elevating
available. The sandwich body made of steel independent on the load. In doing so, the poppet platforms, etc. Due to the sandwich construc-
25.5 is phosphatized. valve is closed. At the fast approach the volume tion, these fine feed- / fast approach valves
VQSSA06 VQASA06
19 flow, dependent of the load and of the system can be integrated into stacked systems as an
pressure, flows through the poppet valve. intermediate flange.
TyPe COde
45 51.4 MD=50Nm V Q S A10 - - - / W #
MD=50Nm
48.1 max. 55.9 max. Fine feed- / fast approach valve
Flow control function
Type of adjustment Key S
Control knob D
Sandwich construction
HYDRAULIC CONNECTION PARTS LIST International standard interface ISO, NG10
Position Article Description Type list / Function Meter-out flow control Meter-in flow control in

17.8 in P P in A A in A AV
10 160.2093 O-ring ID 9,25 x 1,78 (NBR)
T 160.8092 O-ring ID 9,25 x 1,78 (FKM) in T T in B B in B BV
Poppet valve Normally closed C
A B Normally open O
31 21 32.5
Nominal volume flow rate Q N 32 l/min 32
Flow control valve 70 l/min 70
P
Nominal voltage U N 12VDC G12 115VAC R115
21.5 24VDC G24 230VAC R230
40.5

Slip-on coil Metal housing round
Connection execution Connector socket EN175301-803 / ISO 4400 D
Connector socket AMP Junior-Timer J (only for U ≤ 75 VDC)
N
Design index (subject to change)

GeNerAL SPeCIFICATIONS HydrAULIC SPeCIFICATIONS
Description Fine feed- / fast approach valve Fluid Mineral oil, other fluid on request
Nominal size NG10 acc. to ISO 4401-05 Contamination efficiency ISO 4406:1999, class 18/16/13
Construction Sandwich construction (Recommended filtration grade ß 6...10≥75)
Mounting 4 holes for socket cap screws refer to data sheet 1.0-50/2
M6 or studs M6 Viscosity range 12 mm /s...320 mm /s
2
2
Connection Threaded connection plates, multi-flange Fluid temperature -20...+70 °C
subplate, stacking system Peak pressure p max = 350 bar
Ambient temperature -20 ... +50 °C Nominal volume flow rates Q = 32 l/min, 70 l/min
N
Mounting any Min. volume flow Q = 0,2 l/min
min
Fastening torque M = 9,5 Nm (Qual. 8.8) for fixing screws Max. volume flow Q = 120 l/min
D
cartridges: see valve data sheets max
Weight m = 4,5 kg For further hydraulic specifications, refer to flow control valve data
sheet 2.5-550.
eLeCTrICAL ACTUATION
Solenoid construction: see data sheet poppet valve (1.11-2076)
Wandfluh AG Postfach CH-3714 Frutigen
Tel. +41 33 672 72 72 Fax +41 33 672 72 12 sales@wandfluh.com
Wandfluh AG Tel. +41 33 672 72 72 E-mail: sales@wandfluh.com Illustrations not obligatory Data sheet no.
www.wandfluh.com Illustrations are not binding Data subject to change 4/4 Edition: 20 34 2.5-940 E Postfach Fax +41 33 672 72 12 Internet: www.wandfluh.com Data subject to change 2.5-960E 1/2
CH-3714 Frutigen Edition 12 33
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