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Fine feed / fast approach unit
Fine feed/fast approach valve Fine feed / fast approach unit
TYPE CODE PERFORMANCE SPECIFICATIONS
2
V Q S A06 - - - / W - # Oil viscosity u = 30 mm /s
Fine feed / fast approach unit Q = f (p) Volume flow pressure characteristic Q = f(p) Volume flow pressure characteristic
Fine feed Fine feed
Flow control function
Q [l/min] Q [l/min]
Type of adjustment Key S 8 K0821_2 50 K0821_3
Control knob D
6 40 Q N = 40 l/min
Sandwich construction Q N = 6,3 l/min 30
4 Q N = 25 l/min
International standard interface ISO, NG6 Q N = 2,5 l/min 20
2 10 Q N = 16 l/min
Type list / Function 0 0
in P P in T T 0 50 100 150 200 250 300 350 p [bar] 0 50 100 150 200 250 300 350 p [bar]
Return flow control in A A in B B
Forward flow control in A AV in B BV
Δp = f (Q) Pressure drop volume flow characteristics Normally Normally
Poppet valve normally closed C via non-return valve function in the poppet valve closed open
normally open O
p [bar] de-energised 1 → 2 1 2
Nominal volume flow rate Q 2,5 l/min 2,5 25 l/min 25 16 K0770_1 de-energised 2 → 1 - 3
N
Flow control valve 6,3 l/min 6,3 40 l/min 40
16 l/min 16 12 energised 1 → 2 2 4
3 energised 2 → 1 3 -
Nominal voltage U 12 VDC G12 115 VAC R115 8 4
N
24 VDC G24 230 VAC R230 1
4
Slip-on coil Metal housing round 0 2
0 10 20 30 40 50 60 70 80 Q [l/min]
Connection execution Connector socket EN 175301-803 / ISO 4400 D
Connector socket AMP Junior-Timer J (only for U ≤ 75 VDC)
N
Stecker Deutsch DT04-2P G (only for U ≤ 75 VDC)
N
Sealing material NBR ACTUATION SURFACE TREATMENT
FKM (Viton) D1 The sandwich bodies are zinc coated or zinc-nickel coated
Note! See data sheet of the solenoid operated poppet valve ◆
Design index (subject to change)
2.5-940
GENERAL SPECIFICATIONS HYDRAULIC SPECIFICATIONS
Designation Fine feed / fast approach unit Working pressure p = 350 bar ACCESSORIES SEALING MATERIAL
max
Mounting Sandwich construction Maximum volume flow Q = 80 l/min Types of adjustment for screw-in Data sheet 2.0-50 NBR or FKM (Viton) as standard, choice in the type code
max
Nominal size NG6 according to ISO 4401-03 Minimum volume flow Q = 0,1 l/min cartridges
min
Ambient temperature -25…+70 °C Nominal volume flow Q = 2,5; 6,3; 16; 25; 40 l/min Threaded subplates Data sheet 2.9-30
N
Weight 2,2 kg range Multi-station subplates Data sheet 2.9-60
MTTFd 150 years Fluid Mineral oil, other fluid on request Module type manifold blocks Data sheet 2.9-100
Viscosity range 12 mm /s…320 mm /s Technical explanations Data sheet 1.0-100
2
2
Temperature range -25…+70 °C (NBR)
fluid -20…+70 °C (FKM) Filtration Data sheet 1.0-50
Contamination Class 18 / 16 / 13
efficiency VALVES INSTALLED
Filtration Required filtration grade ß 6…10 ≥ 75, The following screw-in cartridges are used in the sandwich body.
see data sheet 1.0-50
Article Description Data sheet no.
Note! Other specifications, see data sheet of the screw-in
cartridges QZ.PM22 2-way flow control cartridge 2.5-535
SVSPM22 Solenoid operated poppet valve cartridge 1.11-2082
www.wandfluh.com Illustrations are not binding Data subject to change 2/4 Edition: 20 34 2.5-940 E www.wandfluh.com Illustrations are not binding Data subject to change 3/4 Edition: 20 34 2.5-940 E
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