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Over-view
Proportional throttle valve
Proportional throttle valves and flow control valves Proportional throttle valves

Proportional throttle valve
Screw-in cartridge
NG3-Mini NG4-Mini NG6 ISO NG10 ISO • Direct operated, not pressure compensated M18x1,5
• Throttle in one flow direction ISO 7789
• Q max = 12 l/min, p max = 250 bar
Types • Q N max = 6,3 l/min

DESCRIPTION FUNCTION APPLICATION
QNPSA04-P QNPSA06-P QNPSA10-P Direct operated proportional throttle valve. The force controlled wet pin proportional Proportional throttel valves are suitable for
Thread M18x1,5 and cavity in accordance with solenoid acts directly on the control spool precise feed control systems. Very sensitive
2.6-820 2.6-840 2.6-860 ISO 7789. Spool options „normally closed“ and which opens or closes the trottle segments of opening and closing characteristics allow
A P T B „normally open“. Two flow ranges are available. the radial holes in the valve body. The throttle smooth control of movements in stationary or
The volume flow is adjusted by a Wandfluh- opening and therefore the flow volume changes mobile installations, e.g. machine tools, public
proportional solenoid (VDE standard 0580). proportionally to the current input to the pro- vehicles. Installation of the screw-in cartridge
QNPSA04-T QNPSA06-T QNPSA10-T Progressive increase and decrease of volume portional solenoid. With deenergised solenoid in control blocks as well as in the Wanfluh
flow and reduced hysteresis are characteri- the control spool is held in closed respectivly sandwich plates (vertical stacked systems)
2.6-820 2.6-840 2.6-860 stics of this valve. The cartridge body is made open position by a spring. To control the valve and flange valves of the NG3-Mini types. (Ple-
A P T B
of steel. Its special surface coating protects proportional amplifiers are available from ase note the separate data sheets in register
the outside against corrosion and reduces Wandfluh (see register 1.13). 2.6). Cavity tools are available for machining
QNPSA04-AV QNPSA06-AV QNPSA10-AV friction of the control spool. The solenoid is the cavities in steel and aluminium (hire or
purchase). Please refer to the data sheets in
zinc coated.
2.6-820 2.6-840 2.6-860 register 2.13.
A P T B
QNPSA04-BV QNPSA06-BV QNPSA10-BV TYPE CODE
D P PM18 - - #
2.6-820 2.6-840 2.6-860
A P T B Throttle valve
Normally closed N
QNPSA04-ABV QNPSA06-ABV QNPSA10-ABV Normally open O

2.6-820 2.6-840 2.6-860 Proportional
A P T B Screw-in cartridge M18x1,5
Nominal volume flow rate Q N 4 l/min 4
QDPFA06-A/B QDPFA10-A/B 6,3 l/min 6,3
2.6-842 2.6-862 Nominal voltage U 12 VDC G12
N
A P T B 24 VDC G24
Design-Index (Subject to change)
QDPSA06-P QDPSA10-P
2.6-842 2.6-862 GENERAL SPECIFICATIONS HYDRAULIC SPECIFICATIONS
A P T B Description Direct operated proportional throttle valve Fluid Mineral oil, other fluid on request
Construction Screw-in cavity acc. to ISO 7789 Contamination efficiency ISO 4406:1999, class 18/16/13
Operations Proportional solenoid (Required filtration grade ß 6...10 ≥ 75)
AMRP62 Befestigungsart Screw-in thread M18x1,5 Viscosity range see data sheet 1.0-50/2
12 mm /s…320 mm /s
-20…50 °C
Ambient temperature
2
2
A P T B Mounting position any Fluid temperature -20...+70 °C
Fastening torque M = 30 Nm for screw-in cartridge Peak pressure p max = 250 bar
D
M = 1,2 Nm (Qual. 8.8) for solenoid screws Nominal volume flow rates Q = 4 l/min, Q = 6,3 l/min
D
N
N
Weight m = 0,25 kg at 10 bar pressure drop
AMRG62 AMRG102 Volume flow direction 1 → 2 Max. Volume flow Q max = 12 l/min
Leakage volume flow see characteristics
Resolution 1 mA
A P T B
ELECTRICAL SPECIFICATIONS Repeatability ≤ 1 % ∗
Construction Proportional solenoid, wet pin push type, Hysteresis ≤ 2 % ∗
pressure tight. ∗ at optimal dithersignal
Standard-Nominal voltage U = 12 VDC U = 24 VDC
N
N
Limiting current I = 1080 mA I = 540 mA
G G
Relative duty factor 100 % DF (see data sheet 1.1-430)
Protection class IP 65 to EN 60 529
Connection/Power Over device plug connection to
supply ISO 4400 / DIN 43 650 (2P+E)
Other electrical specifications see data sheet 1.1-90 (PI29V)
Wandfluh AG Tel. +41 33 672 72 72 E-mail: sales@wandfluh.com Illustrations not obligatory Data sheet no. 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 2.6-502E 2/2 Postfach Fax +41 33 672 72 12 Internet: www.wandfluh.com Data subject to change 2.6-510E 1/2
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