Page 1184 - Softbound_Edition_19_en

Flow control valves

3-way flow control valve
Flange- and sandwich construction NG6
• Q max = 42 l/min ISO 4401-03
• Q N max = 40 l/min
• p max = 350 bar

DESCRIPTION FUNCTION APPLICATION
Direct operated, pressure compensated flow The 3-way flow control valve is designed to 3-way flow control valves are used where the
control valve in flange- and sandwich construc- keep the oil flow to any actuator constant irre- supply volume flow has to be kept constant
tion. Flow control screw-in cartridges M22x1,5 spectiv of the load. even when the load fluctuates. Depending on
acc. to ISO 7789 are installed. The flange body the application, a distinction is made between
is painted, the sandwich plates and the outside restricting the forward flow or the return flow.
parts are phosphatised. The solenoid is zinc
coated.

TYPE CODE
Q D A06 - - #
Flow control valve
3-way
Type of adjustment Key S
Control knob D
Cover A
Flange construction F
Sandwich construction S
nternational standard interface ISO, NG6
Type list/Function Flange construction Sandwich construction
A → B A/B in P P
12 l/min 12
Nominal volume flow rate Q N
25 l/min 25
40 l/min 40
Design index (subject to change)

GENERAL SPECIFICATIONS HYDRAULIC SPECIFICATIONS
Description 3-way flow control valve Fluid Mineral oil, other fluid on request
Nominal size NG6 acc. to ISO 4401-03 Contamination ISO 4406:1999, class 18/16/13
Construction Flange- and sandwich construction efficiency (Required filtration grade ß 6...10≥75)
Mounting 4 holes for socket cap screws M5 see data sheet 1.0-50/2
or studs screws M5 Viscosity range 12 mm 2 /s…320 mm /s
2
Connection Threaded connection plates Fluid temperature -20…+70°C
Multi-flange subplate Peak pressure p max = 350 bar
Longitudinal stacking system Min. volume flow Q = 0,1 l/min (at ν = 30 mm /s)
2
min
Ambient temperature -20…50 °C Max. volume flow Q max = 42 l/min
Mounting position any Control accurancy ≤ 1%
Fastening torque M D = 5,5 Nm (Qual. 8.8) for fastening screws
M = 50 Nm for screw-in cartridge
D
Weight: • Flange type m = 1,10 kg
(without screw-in cartridge) • Sandwich type m = 1,30 kg

Wandfluh AG Tel. +41 33 672 72 72 E-mail: sales@wandfluh.com Illustrations not obligatory Data sheet no.
Postfach Fax +41 33 672 72 12 Internet: www.wandfluh.com Data subject to change 2.5-742E 1/2
CH-3714 Frutigen Edition 08 31