Артикул: RX7674
Proportional pressure reducing valve, pilot-operated, with or without integrated digital electronics (OBED) 3DRE(E)(A), Z3DRE(E)(A)
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Description
- Size 6
- Component series 2X
- Maximum operating pressure 350 bar
- Maximum flow 60 l/min
Features
- Pressure-controlled, optional
- Pressure reduction in ports A and P➀ with pressure limitation
- For subplate mounting or sandwich plate design
- With integrated digital electronics (OBED), optional
- CE conformity according to EMC Directive 2014/30/EU
- Linear command value pressure characteristic curve
- With integrated and external pressure sensor, optional
- Pressure sensor adjustable for various applications
- Digital (IO-Link, Bluetooth®) and analog interfaces, optional
- Optional via Bluetooth®, fast and easy analysis and structural adjustment by means of app function
Product description
Valves of type 3DRE and Z3DRE are electrically pilot-operated 3-way pressure reducing valves with pressure limitation of the actuator. They are used for reducing a system pressure.
The valve basically consists of a pilot control valve (1), proportional solenoid (2), main valve (3) with main control spool (4).
General
In rest position, i. e. without pressure in channel P, the spring holds the main control spool in initial position. This opens the connection from A (P①) to T and blocks the connection from P to A (P①).
With pressure connection from port P, pilot oil flows via flow controller (5) and nozzle and throttle gap to the pilot control valve (1) and afterwards flows off to channel T.
The command value-dependent setting of the pressure to be reduced in channel A (P①) is effected using the proportional solenoid.
Type 3DRE
The pilot pressure builds up in the control chamber (6) as function of the command value. This moves the main control spool (4) to the right, hydraulic fluid flows from P to A.
The actuator pressure in channel A is applied to the spring chamber (9) via the channel (7) and the nozzle (8). If the pressure in port A increases to the set pressure of the pilot control valve, this leads to the movement of the main control spool (4) to the left. The pressure in port A is almost identical with the set pressure at the pilot control valve.
If, however, the pressure in port A exceeds the set pressure of the pilot control valve, the main control spool (4) is moved further to the left so that the connection from A to T is opened. In this way, the pending pressure in port A is limited to the set command value.
Type Z3DRE
In principle, the function of this valve version corresponds to the function of type 3DRE.
The pressure reduction is, however, effected in channel P①.
Type 3DRE...

Type Z3DRE...

Type (Z)3DREE – with integrated digital electronics (OBED)
With regard to function and set-up, they correspond to valve type (Z)3DRE.
On the proportional solenoid, there is the digital on-board electronics (OBED) (10). It may be equipped with different electric interfaces:
- Analog interface (XH1)
- Interface "A1" (command value 0 … 10 V)
- Interface "F1" (command value 4 … 20 mA)
- Digital interface (XH5)
- IO-Link "L1"
Type (Z)3DREA – with integrated digital electronics (OBED) and pressure control
With regard to function and set-up, they correspond to valve type (Z)3DREE.
This valve version moreover has a pressure transducer (11). The latter is either directly attached on the carrier (12) or may be externally integrated in the system via the interface (X2N).
The pressure in channel P is captured by means of the pressure transducer (11) and regulated independently of the flow via the integrated electronics (10).
The pressure in channel A (P①) is made available via the connector (XH1, XH5) as analog or digital actual value (0 …10 V or
4 … 20 mA or in the unit [bar]). If the command value is zero, the integrated electronics only applies the minimum control current to the proportional solenoid and the minimum set pressure is applied.
Bluetooth® function
The digital on-board electronics (OBED) provides the user with a digital diagnosis interface via a Bluetooth® dongle (Bluetooth® Low Energy). It may also be ordered as accessory and retrofitted. The Bluetooth® dongle may only be attached when the valve is de-energized. By means of the "easy2connect app", the valve status can be displayed and configurations at the valve can be carried out via the Bluetooth® dongle (13).
Notices:
- The "easy2connect app" can be downloaded in the App Store (iOS) or Google Play Store (Android).
- Further information on the Bluetooth® dongle VT-ZBT-1-1X (R901505294) as well as set-up and installation of the app is available in data sheet 30581 and operating instructions 30581-B.
Type 3DREA...A

Type 3DREA...
Type code
| 01 | 02 | 02 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | ||
| 3 | DRE | 6 | - | 2X | / | G24 | * |
| 01 | Subplate mounting | no code |
| Sandwich plate design | Z | |
| 02 | 3-way version | 3 |
| 03 | Proportional pressure reducing valve | DRE |
| 04 | For external analog electronics | no code |
| With integrated electronics (OBED) | E | |
| With integrated electronics (OBED), pressure-controlled | A | |
| 05 | Size 6 | 6 |
| 06 | Pressure reduction in channel A (subplate mounting) | no code |
| Pressure reduction in channel P① (sandwich plate design) | VP | |
| Position of the mating connector (only sandwich plate design) | ||
| 07 | | 1 |
| 2 | |
| 3 | |
| 4 | |
| 08 | Component series 20 … 29 (20 … 29: unchanged installation and connection dimensions) | 2X |
| Pressure rating | ||
| 09 | 50 bar | 50 |
| 100 bar | 100 | |
| 200 bar | 200 | |
| 315 bar | 315 | |
| Pressure sensor | ||
| 10 | Internal | no code |
| External (only with integrated electronics "A", pressure-controlled) | A 2) | |
| Power supply | ||
| 11 | Direct voltage 24 V | G24 |
| Coil | ||
| 12 | 1600 mA | no code |
| 800 mA (only with external control electronics) | -8 | |
| Electrical connection | ||
| 13 | Type (Z)3DRE | |
| Without mating connector, connector according to DIN EN 175301-803 | K4 3) | |
| Type (Z)3DREE und (Z)3DREA – Version "A1", "F1" | ||
| Without mating connector, connector according to DIN EN 175201-804 | K31 3) | |
| Type (Z)3DREE und Z()3DREA – Version "L1" | ||
| Without mating connector; connector cable sets M12, 4-pole | K24 3) | |
| Interface electronics | ||
| 14 | External control electronics | no code |
| Command value input and actual value output 0 ... 10 V | A1 4) | |
| Command value input and actual value output 4 ... 20 mA | F1 4) | |
| IO-Link interface (only with integrated electronics "E" and "A"; für class B) | L1 5) | |
| Accessories, service interface | ||
| 15 | Without Bluetooth® interface | no code |
| With Bluetooth® interface (only with integrated electronics "E" and "A") | B | |
| Seal material (observe compatibility of seals with hydraulic fluid used, see "Technical data") | ||
| 16 | NBR seals | M |
| FKM seals | V | |
| 17 | Further details in the plain text | * |
| 1) | Valve contact surface (seal ring recess in the housing) |
| 2) | Pressure sensor adjustment via "easy2connect app" (see "Electrical connection"; pressure sensor, separate order, see "Accessories") |
| 3) | Mating connectors and cable sets, separate order, see accessories. |
| 4) | Command value input switchable via Bluetooth® interface "B" ("A1" ↔ "F1") |
| 5) | Only for use in the industrial area according to IO-Link specification and EN 61131-9. When used in the household / small business area, additional EMC measures are required for the IO-Link system. |
Technical data
general
| Type | (Z)3DRE | (Z)3DRE…-8 | (Z)3DREE | (Z)3DREA | ||
| Weight | kg | 2.6 | 3.1 | 3.5 | ||
| Installation position | any, preferably horizontal | |||||
| Storage temperature range | °C | -20 … +80 | ||||
| Ambient temperature range | without "OBED" | °C | -20 … +80 | |||
| with "OBED" | °C | -20 … +60 | ||||
| Maximum storage time 1) | yrs | 1 | ||||
| Sine test according to DIN EN 60068-2-6 | 10 ... 2000 Hz / maximum 10 g / 10 cycles / 3 axes | |||||
| Noise test according to DIN EN 60068-2-64 | 20 ... 2000 Hz / 10 gRMS / 30 g peak / 30 min. / 3 axes | |||||
| Transport shock according to DIN EN 60068-2-27 | 15 g / 11 ms / 3 shocks / 3 axes | |||||
| Maximum relative humidity (no condensation) | % | 97 | ||||
| MTTFD values according to EN ISO 13849 2) | 150 (for further details see data sheet 08012) | |||||
| 1) | If the storage conditions are observed; refer to the operating instructions 07600-B |
| 2) | "OBED" voltage supply switched off. |
hydraulic
| Maximum operating pressure | Port P | bar | 350 |
| Port P① | bar | 315 | |
| Port P② | bar | 350 | |
| Anschluss A | bar | 315 | |
| Port B | bar | 315 | |
| Port T | separate and depressurized to the tank | ||
| Maximum set pressure | Port P①, A | bar | 50 100 200 315 |
| Minimum set pressure with command value 0 | Port P①, A | see "characteristic curves" | |
| Maximum flow | l/min | 60 | |
| Pilot flow | l/min | 0.5 | |
| Hydraulic fluid | see table "Hydraulic fluid" | ||
| Hydraulic fluid temperature range | °C | -20 … +80 | |
| Viscosity range | Recommended | mm²/s | 10 … 100 |
| Maximum admissible | mm²/s | 10 … 380 | |
| Maximum admissible degree of contamination of the hydraulic fluid, cleanliness class according to ISO 4406 (c) 1) | Class 20/18/15 | ||
| 1) | The cleanliness classes specified for the components must be adhered to in hydraulic systems. Effective filtration prevents faults and simultaneously increases the life cycle of the components. |
| Hydraulic fluid | Classification | Suitable sealing materials | Standards | Data sheet | |
| Mineral oils | HL, HLP, HLPD, HVLP, HVLPD | NBR, FKM | DIN 51524 | 90220 | |
| Bio-degradable | Insoluble in water | HETG | FKM | ISO 15380 | 90221 |
| HEES | FKM | ||||
| Soluble in water | HEPG | FKM | ISO 15380 | ||
| Flame-resistant | Water-free | HFDU (glycol base) | FKM | ISO 12922 | 90222 |
| HFDU (ester base) | FKM | ||||
| HFDR | FKM | ||||
| Containing water | HFC (Fuchs: Hydrotherm 46M, Renosafe 500; | NBR | ISO 12922 | 90223 | |
| Important information on hydraulic fluids:
| |||||
static / dynamic
| Type | (Z)3DRE | (Z)3DRE…-8 | (Z)3DREE | (Z)3DREA | |||
| Hysteresis 1) | % | < 6 | < 8 | < 6 | < 2 | ||
| Range of inversion 1) | % | < 0.5 | < 0.25 | ||||
| Response sensitivity 1) | % | < 0.5 | < 0.25 | ||||
| Manufacturing tolerance 1) | % | 6 | 2 | 1 | |||
| Repetition accuracy 1) | % | ± 1 | ± 0.5 | ||||
| Linearity 1) | % | ± 2 | ± 1 | ||||
| Temperature drift | Electronics | %/10 K | - | < 0.3 | |||
| Pressure sensor | Pressure rating "50" | %/10 K | - | < 0.4 | |||
| Pressure rating "100" | %/10 K | - | < 0.2 | ||||
| Pressure rating "200" | %/10 K | - | < 0.1 | ||||
| Pressure rating "315" | %/10 K | - | < 0.1 | ||||
| Step response Tu + Tg 2) | 10 ... 90% | ms | 150 | 250 | 85 3) | ||
| 90 ... 10% | ms | 150 | 250 | 85 3) | |||
| 1) | Of the maximum set pressure |
| 2) | Line volume < 20 cm3; qV = 0.8 l/min; depending on the system |
| 3) | Adjustment possible up to 70 ms |
electrical
| Type | (Z)3DRE | (Z)3DRE…-8 | (Z)3DREE | (Z)3DREA | |||
| Power supply | Nominal voltage | VDC | 24 | ||||
| Minimum control current | mA | < 100 | |||||
| Maximum control current | Coil 1600 mA 1) | mA | 1600 | - | 1600 | ||
| Coil 800 mA | mA | - | 800 2) | - | |||
| Solenoid coil resistance | Cold value at 20 °C | Coil 1600 mA | Ω | 5.5 | - | 5.5 | |
| Coil 800 mA | Ω | - | 20.6 | - | |||
| Maximum hot value | Coil 1600 mA | Ω | 8.05 | - | 8.05 | ||
| Coil 800 mA | Ω | - | 33 | - | |||
| Relative duty cycle 3) | % | 100 | |||||
| Conformity | RoHS directive | 2011/65/EU | |||||
| 1) | ±10 % |
| 2) | ±5 % |
| 3) | Continuous operation |
electrical, integrated electronics (OBE) – Interface "A1" and "F1"
| Power supply | Nominal voltage | VDC | 24 |
| Lower limit value | VDC | 18 | |
| Upper limit value | VDC | 30 | |
| Protection class according to EN 60529 | IP65 (If a suitable and a correctly mounted mating connector are used.) | ||
| Maximum current consumption 1) | A | 1.6 | |
| Fuse protection, external | 2.5 time-lag | ||
| Input (pressure command value) | Version "A1" | VDC | 0 … 10 |
| Version "F1" | mA | 4 … 20 | |
| Output (actual pressure value) 2) | Version "A1" | VDC | 0 … 10 |
| Version "F1" | mA | 4 … 20 | |
| Conformity | CE according to EMC directive 2014/30/EU tested according | EN 61000-6-2 and EN 61000-6-3 | |
| RoHS directive | 2011/65/EU | ||
| 1) | Impulse current 3 A |
| 2) | 0 … 100% nominal pressure |
electrical, integrated electronics (OBE) – Interface "L1"
| Power supply | Valve amplifiers | VDC | 24 |
| Pin 2 | VDC | min. 18 / max. 30 | |
| Pin 5 | VDC | 0 | |
| IO-Link interface | VDC | 24 | |
| Pin 1 | VDC | min. 18 / max. 30 | |
| Pin 3 | VDC | 0 | |
| Relative duty cycle | % | 100 | |
| Protection class according to EN 60529 | IP65 (If a suitable and a correctly mounted mating connector are used.) | ||
| Maximum current consumption | Valve amplifiers 1) | A | 1.6 |
| IO-Link interface | mA | 50 | |
| Maximum admissible residual ripple | Vpp | 1.3 | |
| Bit rate COM3 | kBit/s | 230.4 | |
| Required master port class | IO-Link Class B | ||
| Resolution | A/D transformer | Bit | 12 |
| Functional ground | provide via valve block | ||
| Directive | IO-Link Interface and System Specification Version 1.1.2 | ||
| Conformity | CE according to EMC directive 2014/30/EU tested according | EN 61000-6-2 and EN 61000-6-3 | |
| RoHS directive | 2011/65/EU | ||
| 1) | Impulse current 3 A |
(For applications outside these values, please consult us!)
Diagrams/characteristic curves
(measured with HLP46, ϑOil = 40 ±5 °C)
Reduced pressure in port A or P① of the command value (manufacturing tolerance)

| 1) | In order to be able to adjust several valves to the same characteristic curve, the manufacturing tolerance can - with version "(Z)3DRE" - be changed at the external amplifier (see "Accessories") using the command value attenuator "G". In this connection, do not set the pressure higher than the maximum set pressure of the pressure rating with command value 100%. |
Pressure in port A or P① dependent on the command value(flow 0 l/min)
Pressure rating 100 bar (exemplary of all pressure ratings)
Type (Z)3DRE

Type (Z)3DREE

Type (Z)3DREA

Notices:
- The characteristic curves apply to an output pressure pT =0 bar in the entire flow range.
- System pressure = nominal pressure + 50 bar (minor dead volume).
Type Z3DRE and Z3DREE
Δp-qV characteristic curves
Pressure rating 50 bar

Δp-qV characteristic curves
Pressure rating 100 bar
Δp-qV characteristic curves
Pressure rating 200 bar

Δp-qV characteristic curves
Pressure rating 315 bar

p-qV characteristic curves

Notices:
- The characteristic curves apply to an output pressure pT =0 bar in the entire flow range.
- System pressure = nominal pressure + 50 bar (minor dead volume).
Type 3DRE and 3DREE
Δp-qV characteristic curves
Pressure rating 50 bar

Δp-qV characteristic curves
Pressure rating 100 bar

Δp-qV characteristic curves
Pressure rating 200 bar

Δp-qV characteristic curves
Pressure rating 315 bar

p-qV characteristic curves

Notices:
- The characteristic curves apply to an output pressure pT =0 bar in the entire flow range.
- System pressure = nominal pressure + 50 bar (minor dead volume).
Type Z3DREA
p-qV characteristic curves
Pressure rating 50 bar

p-qV characteristic curves
Pressure rating 100 bar

p-qV characteristic curves
Pressure rating 200 bar

p-qV characteristic curves
Pressure rating 315 bar

Notices:
- The characteristic curves apply to an output pressure pT =0 bar in the entire flow range.
- System pressure = nominal pressure + 50 bar (minor dead volume).
Type 3DREA
p-qV characteristic curves
Pressure rating 50 bar

p-qV characteristic curves
Pressure rating 100 bar

p-qV characteristic curves
Pressure rating 200 bar

p-qV characteristic curves
Pressure rating 315 bar

Notices:
- The characteristic curves apply to an output pressure pT =0 bar in the entire flow range.
- System pressure = nominal pressure + 50 bar (minor dead volume).
Symbols/Circuit diagrams
| Type 3DRE | Type 3DREE; 3DREA ...A | Type 3DREA |
| | |
| Type Z3DRE | Type Z3DREE; Z3DREA ...A |
| |
|
| |
| Type Z3DREA | |
| |
| ① | component side |
| ② | plate side |
Electrical connection
Connector pin assignment "A1" and "F1"
| Contact | Interface assignment | |
| "A1" (6+PE) | "F1" (6+PE) | |
| A | 24 VDC supply voltage (u(t) = 18 … 30 V); Imax ≤2 A | |
| B | 0 V (ground) | |
| C | Reference potential actual value (pin F) (connect to ground on the control side) | |
| D | Command value 0 … 10 V (Re > 100 kΩ) | Command value 4 … 20 mA (Re = 100 Ω + 2 V diode distance) |
| E | Reference potential command value (pin D) (connect to ground on the control side) | |
| F | Actual value 0 … 10 V Imax = 5 mA | Actual value 4 … 20 mA (Load max. 475 Ω) |
| PE | Functional ground (directly connected to the valve housing) | |
Connection cable :
- Up to 20 m cable length type 7 x 0,75 mm2
- Up to 40 m cable length type LiYCY 7 x 1,0 mm2
- EMC-compliant installation :
- Apply screening to both line ends
- Use metal mating connector (see "Accessories")

Notices:
- Configurable via Bluetooth® interface.
- Mating connectors, separate order, see "Accessories" and datasheet 08006.
Gerätestecker-Belegung „L1“
(M12-5, A-codiert, Class B)
| Pin | Signal | Assignment interface "L1" |
| 1 | L+ | Voltage supply IO-Link |
| 2 | P24 | 24 V voltage supply for valve electronics, pressure sensor, Bluetooth® dongle (incl. LEDs etc.) and power section of max. 1.6 A continuous current and up to 2 A as making current. Potential is galvanically separated from supply L+ and L-. |
| 3 | L- | Reference potential pin 1 |
| 4 | C/Q | Data line IO-Link (SDCI) |
| 5 | N24 | Reference potential pin (galvanically separated from supply L+ and L-) |

Notices:
- M12 sensor/actuator connection line, 5-pole; M12 connector/bush, A-coded, without shield, maximum cable length 20 m. Observe the voltage drop over the cable. Wire cross-section at least 0.34 mm2.
- Mating connectors, separate order, see "Accessories" and datasheet 08006.
- Communication and parameter description see data sheet 29283-FK
Connector pin assignment "Analogously configurable pressure sensor interface"
(M12-5, A-coded, bush)
| Pin | Signal | Interface |
| 1 | US | Voltage supply for pressure sensor from the valve supply +UB or P24, max. 50 mA (short-circuit-proof). Observe the voltage range of the pressure sensor. |
| 2 | IMeas | Current input 4 … 20 mA, connected to GND via 100 Ω load resistance +2 V diode connector. Measuring input configurable via Bluetooth® or IO-Link. |
| 3 | GND | Reference potential; do not connect with two-wire system (current input). |
| 4 | UMeas | Voltage input 0 ... 10 V (Re min = 50 kΩ) |
| 5 | n.c. | No connection; insulated bore in the socket. |
| Thread | Shield (Functional ground) | Connected to the housing via the thread. |

Notices:
- In the condition as supplied, the actual value input PIN 4 0.1 … 10 V of the pressure sensor interface is configured.
- At the factory, the interface is set for a 400 bar pressure sensor (0.1 … 10 V).
- Connection cable up to 10 m/s cable length with screening connected to both line ends.
- The pressure sensor signal interface is always configured to voltage signal.
- The pressure sensor signal can be independently changed via IO-Link or via the Bluetooth® interface by means of "easy2connect app".
External control electronics
| Connection at connector | Connection at mating connector |
| |
Connection cable
Recommendation:
– 2-wire, 0,75 mm2 or 1 mm2 plus protective grounding conductor and screening
– Only connect the screening to PE on the supply side.
– Maximum length 100 m
– The minimum supply voltage at the power supply unit depends on the length of the supply line (see diagram).
Dimensions
Type 3DRE
Dimensions in mm

| The dimensions are nominal dimensions which are subject to tolerances. |
|
| Required surface quality of the valve contact surface |
| 1 | Proportional solenoid |
| 2 | Name plate |
| 3 | Valve housing |
| 4 | Identical seal rings for ports A, B, P, T |
| 5.1 | Mating connector without circuitry for connector "K4", separate order, see "Accessories" |
| 6 | Space required to remove the mating connector |
| 7 | Porting pattern according to ISO 4401-03-02-0-05 |
Type 3DREE
Dimensions in mm

| The dimensions are nominal dimensions which are subject to tolerances. |
|
| Required surface quality of the valve contact surface |
| 1 | Proportional solenoid |
| 2 | Name plate |
| 3 | Valve housing |
| 4 | Identical seal rings for ports A, B, P, T |
| 5.2 | Mating connectors with version "A1" and "F1", separate order, see "Accessories" and data sheet 08006 |
| 6 | Space required to remove the mating connector |
| 7 | Porting pattern according to ISO 4401-03-02-0-05 |
| 8 | Digital on-board electronics (OBED) |
| 9 | Bluetooth® dongle (separate order, see "Accessories") |
Type 3DREA
Dimensions in mm

| The dimensions are nominal dimensions which are subject to tolerances. |
|
| Required surface quality of the valve contact surface |
| 1 | Proportional solenoid |
| 2 | Name plate |
| 3 | Valve housing |
| 4 | Identical seal rings for ports A, B, P, T |
| 5.3 | Mating connectors with version "L1", separate order, see "Accessories" and data sheet 08006 |
| 6 | Space required to remove the mating connector |
| 7 | Porting pattern according to ISO 4401-03-02-0-05 |
| 8 | Digital on-board electronics (OBED) |
| 9 | Bluetooth® dongle (separate order, see "Accessories") |
Type 3DREA...A
Dimensions in mm

| The dimensions are nominal dimensions which are subject to tolerances. |
|
| Required surface quality of the valve contact surface |
| 1 | Proportional solenoid |
| 2 | Name plate |
| 3 | Valve housing |
| 4 | Identical seal rings for ports A, B, P, T |
| 5.2 | Mating connectors with version "A1" and "F1", separate order, see "Accessories" and data sheet 08006 |
| 6 | Space required to remove the mating connector |
| 7 | Porting pattern according to ISO 4401-03-02-0-05 |
| 8 | Digital on-board electronics (OBED) |
| 9 | Bluetooth® dongle (separate order, see "Accessories") |
| 10 | External connection for pressure sensor (pressure sensor, separate order, see "Accessories") |
Type Z3DRE
Dimensions in mm

| The dimensions are nominal dimensions which are subject to tolerances. |
|
| Required surface quality of the valve contact surface |
| 1 | Proportional solenoid |
| 2 | Name plate |
| 3 | Valve housing |
| 4 | Identical seal rings for ports A, B, P, T |
| 5.1 | Mating connector without circuitry for connector "K4", separate order, see "Accessories" |
| 6 | Space required to remove the mating connector |
| 7 | Porting pattern according to ISO 4401-03-02-0-05 |
Type Z3DREE
Dimensions in mm

| The dimensions are nominal dimensions which are subject to tolerances. |
|
| Required surface quality of the valve contact surface |
| 1 | Proportional solenoid |
| 2 | Name plate |
| 3 | Valve housing |
| 4 | Identical seal rings for ports A, B, P, T |
| 5.2 | Mating connectors with version "A1" and "F1", separate order, see "Accessories" and data sheet 08006 |
| 6 | Space required to remove the mating connector |
| 7 | Porting pattern according to ISO 4401-03-02-0-05 |
| 8 | Digital on-board electronics (OBED) |
| 9 | Bluetooth® dongle (separate order, see "Accessories") |
Type Z3DREA
Dimensions in mm

| The dimensions are nominal dimensions which are subject to tolerances. |
|
| Required surface quality of the valve contact surface |
| 1 | Proportional solenoid |
| 2 | Name plate |
| 3 | Valve housing |
| 4 | Identical seal rings for ports A, B, P, T |
| 5.3 | Mating connectors with version "L1", separate order, see "Accessories" and data sheet 08006 |
| 6 | Space required to remove the mating connector |
| 7 | Porting pattern according to ISO 4401-03-02-0-05 |
| 8 | Digital on-board electronics (OBED) |
| 9 | Bluetooth® dongle (separate order, see "Accessories") |
Type Z3DREA ...A
Dimensions in mm

| The dimensions are nominal dimensions which are subject to tolerances. |
|
| Required surface quality of the valve contact surface |
| 1 | Proportional solenoid |
| 2 | Name plate |
| 3 | Valve housing |
| 4 | Identical seal rings for ports A, B, P, T |
| 5.2 | Mating connectors with version "A1" and "F1", separate order, see "Accessories" and data sheet 08006 |
| 6 | Space required to remove the mating connector |
| 7 | Porting pattern according to ISO 4401-03-02-0-05 |
| 8 | Digital on-board electronics (OBED) |
| 9 | Bluetooth® dongle (separate order, see "Accessories") |
| 10 | External connection for pressure sensor (pressure sensor, separate order, see "Accessories") |
Valve mounting screws (separate order)
| Type | Quantity | Hexagon socket head cap screws | Material number |
| 3DRE… | 4 | ISO 4762 - M5 x 50 - 10.9-CM-Fe-ZnNi-5-Cn-T0-H-B (Friction coefficient μtotal = 0.09 … 0.14) Tightening torque MA = 7 Nm ±10 % | R913043758 |
| Z3DRE… | 4 | ISO 4762 - M5 - 10.9-CM-Fe-ZnNi-5-Cn-T0-H-B (Friction coefficient μtotal = 0.09 … 0.14) Tightening torque MA = 7 Nm ±10 % | – |
Notice:
The tightening torque of the hexagon socket head cap screws refers to the maximum operating pressure.
Subplates (separate order) with porting pattern according to ISO 4401-03-02-0-05, see data sheet 45100.
Certification
load errorSafety Instructions
load errorDownloads
| Proportional pressure reducing valve, pilot-operated, with or without integrated digital electronics (OBED) Data Sheet | RE29283 | 2021-04-01 | English, United States | PDF | 1.6MB Product Groups: Proportional pressure reducing valves Type 3DRE(E)(A) and Z3DRE(E)(A) |























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