3-23
D1FT.PMD CM
Direct-Operated Proportional DC Valve
Series D1FT
Catalogue HY11-2500/UK
3
Parker Hannifin GmbH & Co. KG
Hydraulic Controls Division
Kaarst, Germany
Characteristics
The D1FT directional control valve of the nominal size
NG6 (CETOP 3) is a proportional valve providing vari-
able flow rates.
This valve is used with integrated control electronics. Typi-
cal applications are soft switching via adjustable ramps
for the reduction of hydraulic and mechanical shocks, and
electrically adjustable flow rates / speeds for automating
machine functions.
Technical features
• Integrated control electronics with ramp adjustment
• Progressive flow characteristics
for sensitive adjustment of flow rate
• Spring centred spool
• Manual override
D1FT
3-24
D1FT.PMD CM
Direct-Operated Proportional DC Valve
Series D1FT
Catalogue HY11-2500/UK
3
Parker Hannifin GmbH & Co. KG
Hydraulic Controls Division
Kaarst, Germany
Ordering Code
D
FT
DC
valve
DC valve
(with integr.
electronics)
Nominal
size
NG06 /
CETOP 3
Spool
type
0
Design
series
Style
Seal
NBR
(different seal
compound
on request)
Electronic
design
Valve
accessories
0
Electronic
accessories
Code
F
G
Voltage
Voltage input 0...±10V
with reference output
+10V / -10V
Current input 0...±20mA
Flow
control
StyleCode
C
E
K
Code
E01C
E01F
E01H
Spool type
Please order plugs separately.
See chapter 3 accessories.
Flow [l/min]
at ∆p 5bar
per metering edge
7.5
15
20
N
1
E02C
E02F
E02H
15 / 7.5
7.5
15
20
B31F
15 / 7.5
B32F
Q
B
= Q
A
/2
Q
B
= Q
A
/2
3-25
D1FT.PMD CM
Direct-Operated Proportional DC Valve
Series D1FT
Catalogue HY11-2500/UK
3
Parker Hannifin GmbH & Co. KG
Hydraulic Controls Division
Kaarst, Germany
Technical Data
1)
Flow rate for different ∆p per control edge: Q
x
= Q
Nom.
·
√
∆p
x
∆p
Nom.
2)
Inverse polarity on request
General
Design Direct-operated DC Valve with onboard electronics
Actuation Proportional solenoid
Size NG6 (CETOP 3)
Mounting interface DIN 24340 / ISO 4401 / CETOP RP121 / NFPA
Mounting position Any
Ambient temperature [°C] -20...+60
Weight [kg] 1.9
Hydraulic
Max. operating pressure [bar] Ports P, A, B, T, X max. 350; Port Y max. 50
Fluid Hydraulic oil as per DIN 51524...535, other on request
Fluid temperature [°C] -20...+60
Viscosity permitted [mm2/s] 20...380
Viscosity recommended [mm2/s] 30...80
Filtration ISO 4406 (1999) 18/16/13 (acc. NAS 1683: 7)
Flow nominal
1)
[l/min] 20
Leakage at 100 bar [ml/min] <200
Static / Dynamic
Step response at 100% step [ms] 90
Hysteresis [%] <8
Electrical characteristics
Duty ratio [%] 100
Protection class IP54
Supply voltage/ripple [V] 14.5 ... 30, ripple <5% eff.
Current consumption max. [A] 2.8
Input signal
2)
Voltage [V] 10...0...-10, ripple <0.01% eff., surge free, 0...+10V P->A
Impedance [kOhm] 100
Current [mA] 20...0...-20, ripple <0.01% eff., surge free, 0...+20mA P->A
Impedance [Ohm] 500
Differential input max. [V] 30 for terminal D and E against PE
Ramp [s] 0...3
Pre-fusing [A] 6.3 medium lag
EMC EN 50081-1 / EN50082-2
Coil insulation class F (155 °C)
Electrical connection 6+PE acc. DIN 43563
Wiring min. [mm²] 7x1.0 (AWG 18) overall braid shield
Wiring lenght max. [m] 50
3-26
D1FT.PMD CM
Direct-Operated Proportional DC Valve
Series D1FT
Catalogue HY11-2500/UK
3
Parker Hannifin GmbH & Co. KG
Hydraulic Controls Division
Kaarst, Germany
Electronics
Block diagram
Arrangement of the potentiometers
Central connector 6 + PE
A = supply (14.5...30 VDC)
B = GND (0V)
C = ref. +10 VDC
D = input
E = input
F = ref. -10 VDC
G= PE
(-10...+10 VDC)
(-20...+20 mA)
3-27
D1FT.PMD CM
Direct-Operated Proportional DC Valve
Series D1FT
Catalogue HY11-2500/UK
3
Parker Hannifin GmbH & Co. KG
Hydraulic Controls Division
Kaarst, Germany
Characteristic Curves
Flow characteristics
Spool code E*
at ∆p 5bar per metering edge
Flow limit
100% command signal
Spool code B*
3-28
D1FT.PMD CM
Direct-Operated Proportional DC Valve
Series D1FT
Catalogue HY11-2500/UK
3
Parker Hannifin GmbH & Co. KG
Hydraulic Controls Division
Kaarst, Germany
Dimensions
NBR
BK375 4x M5x30 8.1 Nm SK-D1FT-N30
DIN 912 12.9
Surface finish
