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Solenoid directional valves type DHI and DHU

direct operated, ISO 4401 size 06

Table E010-15/E

DHI and DHU are spool type, three or

four way, two or three position direct

operated solenoid valves designed to

operate in oil hydraulic systems.

They are operated by wet and pressure

sealed solenoid 햴 with manual overri-

de and with coils certified according

the North American standard

CURUS:

• DHI for AC and DC supply;

• DHU for DC supply with improved

performances.

Moving parts are protected, lubricated

and cushioned in oil.

Shell-moulding casting 햲 machined by

transfer lines and then cleaned by ther-

mal deburring.

Optimized flow paths largely cored with

extrawide channels to tank for low

pressure drops.

Interchangeable spools 햳 available in

a wide variety of configurations.

DHU valves can be supplied with

optional devices for control of swit-

ching times.

Standard electric/electronic connectors

햵 able to satisfy the requirements of

modern machines for electric interfa-

ces characteristics.

Coils are fully encapsulated (class H)

and are easily replaceable without aid

of tools.

Rugged execution suitable for outdoor

use.

Surface mounting ISO 4401 size 06.

Max flow up to 60 l/min.

Max pressure: 350 bar.

DHI – 0

Directional control valves size 06

DHI-0 = AC and DC supply

DHU-0 = for DC supply

Valve configuration, see table



61 = single solenoid, center plus external position,

spring centered

63 = single solenoid, 2 external positions, spring offset

67 = single solenoid, center plus external position,

spring offset

70 = double solenoid, 2 external positions, without

springs

71 = double solenoid, 3 positions, spring centered

75 = double solenoid, 2 external positions, with detent

77 = double solenoid, center plus external position,

without springs

Other configurations are available on request.

Spool type, see table



Series number

Synthetic fluids

WG =water glycol

PE= phosphate ester

/A **63 /*

1 MODEL CODE

E010

3 SPOOLS - for intermediate passages, see tab. E001.

See note 3 at section



1/2

Options, see note 1 at section



X 24 DC

Voltage code, see section



00 = valve without coils

X = without connector

See note 2 at section



for available connec-

tors, to be ordered separately

Coils with special connectors, see section

XJ = AMP Junior Timer connector

XK= Deutsch connector

XS= Lead Wire connection

-071*

-0630/2/A

-0631/2/A

-0700/2

-0701/2

-061*/A

-0750/2

-0751/2

-067*/A -077*

-0630/2

-0631/2

-061* -067*

2 CONFIGURATION

Where the symbol doesn't show the hydraulic con-

nection (*), it depends on the central configuration

of the spool; see section .

DHU-0631/2

DHI-0711

connector

햳햲햵햴

1/9

Note: configuration 63 and 70 are available only with spools type 0/2, 1/2 and 2/2.

configuration 75 is available only with spools type 0/2 and 1/2.

4.1 Coils characteristics

5 NOTES

1 Options

A = Solenoid mounted at side of port B (only for single solenoid valves). In standard versions, solenoid is mounted at side of port A.

WP = prolonged manual override protected by rubber cap - see section .

SP-WPD/H = manual override with detent, to be ordered separately, see tab. K150

L1, L2, L3 = device for switching time control, installed in the valve solenoid (only for DHU models).

For spools 4 and 4/8 only device L3 is available.

F * = with proximity switch for monitoring spool position: see tab. E110.

MV, MO = auxiliary hand lever positioned vertically (MV) or horizontally (MO). For available configuration and dimensions see table E138.

2 Type of electric/electronic connector DIN 43650, to be ordered separately

SP-666 = standard connector IP-65, suitable for direct connection to electric supply source.

SP-667 = as SP-666, but with built-in signal led.

SP-669 = with built-in rectifier bridge for supplying DC coils by alternate current (AC 110V and 230V - Imax 1A).

E-SD = electronic connector which eliminates electric disturbances when solenoid valves are de-energized.

3 Spools

- spools type 0/2, 1/2, 2/2 are only used for two position valves: single solenoid, type DH*-063*/2 and double solenoid type

DH*-070*/2 and DH*-075*/2 (only spools.

- spools type 0 and 3 are also available as 0/1 and 3/1 with restricted oil passages in central position, from user ports to tank.

- spools type 1, 4 and 5 are also available as 1/1, 4/8 and 5/1. They are properly shaped to reduce water-hammer shocks during the swiching.

- spools type 1, 3, 8 and 1/2 are available as 1P, 3P, 8P and 1/2P to limit valve internal leakages.

- spool type 1/9 has closed center in rest position but it avoids the pressurization of A and B ports due to the internal leakages.

- Other types of spools can be supplied on request.

(1) Coil can be supplied also with 60

Hz of voltage frequency: in this

case the performances are redu-

ced by 10 ÷15% and the power

consumption is 55 VA.

(2) Average values based on tests

preformed at nominal hydraulic

condition and ambient/coil tempe-

rature of 20°C.

(3) When solenoid is energized, the

inrush current is approx 3 times the

holding current. Inrush current

values correspond to a power con-

sumption of about 150 VA.

Insulation class H (180°C) Due to the occuring surface temperatures of the solenoid coils, the European standards

EN563 and EN982 must be taken into account

Connector protection degree DIN 43650 IP 65

Relative duty factor 100%

Supply voltage and frequency See electric feature 

Supply voltage tolerance ± 10%

Certification

CURUS

Assembly position / location

Subplate surface finishing Roughness index flatness ratio 0,01/100 (ISO 1101)

Ambient temperature from -20°C to +70°C

Fluid Hydraulic oil as per DIN 51524 .... 535; for other fluids see section 

Recommended viscosity 15 ÷ 100 mm

/s at 40°C (ISO VG 15 ÷ 100)

Fluid contamination class ISO 19/16, achieved with in line filters at 25 μm value to β

≥75 (recommended)

Fluid temperature -20°C +60°C (standard and /WG seals) -20°C +80°C (/PE seals)

Flow direction As shown in the symbols of tables  and 

Operating pressure

Rated flow See diagrams Q/Δp at section 

Maximum flow 60 l/min see operating limits at section 

Any position for all valves except for type - 070* (without springs) that must be installed with horizontal

axis if operated by impulses

4 MAIN CHARACTERISTICS OF DHI, DHU AND DHO DIRECTIONAL VALVES

DHI

DHU

Ports P,A,B: 350 bar;

Port T: 120 bar

Ports P,A,B: 350 bar;

Port T 210 bar

For versions with proximity swit-

ches (/FI/NC and /FI/NO versions)

maximum counter pressure

allowed on T port is 5 bar

6 DC

9 DC

12 DC

14 DC

18 DC

24 DC

28 DC

48 DC

110 DC

125 DC

220 DC

24/50 AC

24/60 AC

48/50 AC

48/60 AC

110/50 AC

120/60 AC

230/50 AC

230/60 AC

SP-666

SP-667

SP-669

33 W

60 VA

(3)

SP-COU-6DC/ 80

SP-COU-9DC /80

SP-COU-12DC /80

SP-COU-14DC /80

SP-COU-18DC /80

SP-COU-24DC /80

SP-COU-28DC /80

SP-COU-48DC /80

SP-COU-110DC /80

SP-COU-125DC /80

SP-COU-220DC /80

SP-COI-24/50/60AC /80 (1)

SP-COI-48/50/60AC /80 (1)

SP-COI-110/50/60AC /80 (1)

SP-COI-120/60AC /80

SP-COI-230/50/60AC /80 (1)

SP-COI-230/60AC /80

SP-COU-6DC/ 80

SP-COU-9DC /80

SP-COUR-12DC /10

SP-COUR-14DC /10

SP-COU-18DC /80

SP-COUR-24DC /10

SP-COUR-28DC /10

SP-COU-48DC /80

SP-COUR-110DC /10

SP-COU-125DC /80

SP-COUR-220DC /10

brown

light blue

green

brown

blue

red

silver

black

silver

black

pink

white

yellow

white

light blue

silver

gold

blue

40 VA

35 VA

40 VA

35 VA

ELECTRIC FEATURES

Valve

External supply

nominal voltage

± 10%

Type of

connector

Power

consumption

(2)

Code of spare coil

DHI DHU

Colour of

coil label

DHI

DHU

110/50 AC

120/60 AC

230/50 AC

230/60 AC

SP-COU-110RC /80

SP-COU-230RC /80

SP-COUR-110RC /10

SP-COUR-230RC /10

Voltage

code

6 DC

9 DC

12 DC

14 DC

18 DC

24 DC

28 DC

48 DC

110 DC

125 DC

220 DC

24/50/60 AC

48/50/60 AC

110/50/60 AC

120/60 AC

230/50/60 AC

230/60 AC

110RC

230RC

DHI + 304520

DHI + SP-669 45 –– 80

DHI + E-SD 30 45 50

DHI - DHU

E010

Q/ΔP DIAGRAMS based on mineral oil ISO VG 46 at 50°C

Flow rate [l/min]

8 OPERATING LIMITS based on mineral oil ISO VG 46 at 50°C

The diagrams have been obtained with warm solenoids and power supply at lowest value (V

nom - 10%). The curves refer to application with symmetrical

flow through the valve (i.e. P

→A and B→T). In case of asymmetric flow and if the valves have the devices for controlling the switching times the operating

limits must be reduced.

Inlet pressure [bar]

M = Spools 0, 1, 1/2, 8

S = Spools 0/2, 3, 6, 7

V = Spools 2, 2/2, *9, 9*

T = Spools 4, 5

Inlet pressure [bar]

Flow rate [l/min]

DHUDHI

M = Spools 0, 1, 1/2, 8

S = Spools 0/2, 3, 6, 7

V = Spools, 2, 2/2, *9, 9*

T = Spools 4, 5

Valve pressure drop Δp [bar]

Flow rate [l/min]

0 CCCC

0/2, 1, 1/2 A A A A

2, 3 A A C C

2/2, 4, 5, 9* DDDDA

6AACA

7AAAC

8CCBB

Flow direction

Spool type

P→AP→BA→TB→TP→T

9 SWITCHING TIMES (average values in msec)

Valve Switch-on Switch-on Switch-off

AC DC

Test conditions:

- 36 l/min; 150 bar

- nominal voltage

- 2 bar of counter pressure on port T

- mineral oil: ISO VG 46 at 50°C.

The elasticity of the hydraulic circuit and the variations of the hydraulic characteristics and temperature affect the response time.

DHI

Note: The above coils are available only for voltage supply 12, 14, 24 and 28 V

DC. For the characteristics refer to standard coils features - see sect. 

10 COILS TYPE COU* and COUR* WITH SPECIAL CONNECTORS

Options -XJ

Coil type SP-COUJ, SP-COURJ

AMP Junior Timer connector

Protection degree IP67

Options -XK

Coil type SP-COURK

(not available for COU)

Deutsch connector

DT-04-2P male

Protection degree IP67

Options -XS

Coil type SP-COUS, SP-COURS

Lead Wire connection

Cable lenght = 180 mm

DHU + –– 45 20

DHU + SP-669 45 –– 80

DHU + E-SD –– 45 50

DHU-*/L1 –– 60 60

DHU-*/L2 –– 80 80

DHU-*/L3 –– 110 150

DHU

SP-666

SP-667

Valve Switch-on Switch-on Switch-off

AC DC

SP-666

SP-667

11 DIMENSIONS [mm]

11/11

ISO 4401: 2005

Mounting surface:

4401-03-02-0-05

Fastening bolts:

4 socket head screws M5x50 class 12.9

Tightening torque = 8 Nm

Seals: 4 OR 108

Ports P,A,B,T: Ø = 7.5 mm (max).

P = PRESSURE PORT

A, B = USE PORT

T = TANK PORT

For the max pressures on ports, see section



Mass: 1,5 kg Mass: 1,8 kg

Mass: 1,5 kg

Mass: 1,8 kg

DHI-06

DHU-06

DHI-07

DHU-07

14 MOUNTING SUBPLATES

Model Ports location

GAS Ports

A-B-P-T

Ø Counterbore

[mm]

A-B-P-T

Mass

[kg]

BA-202

BA-204

BA-302

Ports A, B, P, T underneath;

Ports P, T underneath; ports A, B on lateral side

Ports A, B, P, T underneath

3/8"

1/2"

–

25,5

1,2

1,8

The subplates are supplied with 4 fastening bolts M5x50. Also available are multi-station subplates and modular subplates. For further details see table K280.

Overall dimensions refer to valves with connectors type SP-666

ELECTRIC CONNECTORS ACCORDING TO DIN 43650

The connectors must be ordered separately

12 OPTION /WP

SP-666, SP-667 (for AC or DC supply) SP-669 (for AC supply)

SP-666, SP-667

1 = Positive

2 = Negative

= Coil ground

SP-666 SP-667 110/50 AC

All 24 AC or DC 110/60 AC

voltages 110 AC or DC 230/50 AC

220 AC or DC 230/60 AC

SP-669

1,2 = Supply voltage V

3 = Coil ground

CONNECTOR WIRING

SUPPLY VOLTAGES

Note: for electronic connectors type E-SD, see tab. K500

DHI

DHU