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BOSCH REXROTH
R901208854


$2,372.83 USD
  • BOSCH REXROTH
  • Material:R901208854
  • Model:DRE6-1X/100MG24N9K4M

Quantity in stock: 0

***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Bosch Rexroth directly.***
The Bosch Rexroth DRE6-1X/100MG24N9K4M (R901208854) is a high-performance industrial hydraulic valve designed for precise pressure reduction in fluid power applications. This three-way pressure reducing valve operates with an electrical actuation mechanism that requires an external amplifier and is powered by a 24 V DC supply voltage. It features a maximum flow rate and can handle a maximum operating pressure, making it suitable for demanding hydraulic systems. The DRE6-1X/100MG24N9K4M valve is characterized by its ability to reliably reduce system pressure to a preset command value signal. The spool symbol P A indicates the valve's function, with the main control spool held in the initial position by a spring when depressurized, allowing fluid flow from port A to T while blocking P to A. Upon receiving a command signal, the proportional solenoid adjusts the pilot pressure in the control chamber, causing the main control spool to move and regulate the flow of hydraulic fluid from P to A. This model is designed for subplate mounting and conforms to ISO porting patterns. It comes equipped with an NBR seal compatible with various hydraulic fluids such as HL, HLP, HLPD, HVLP, HVLPD, and HFC. The electrical connection utilizes a connector pole PE according to DIN EN standards. The DRE6-1X/100MG24N9K4M valve's technical setup comprises three main assemblies: pilot control valve, proportional solenoid (with external electronics), and main valve with main control spool. Its functionality includes command value-dependent setting of reduced pressure in channel A and features both pressure reduction and limitation capabilities to maintain system stability and protection. In summary, the Bosch Rexroth DRE6-1X/100MG24N9K4M offers precise control over hydraulic system pressures through its sophisticated design and robust construction suitable for various industrial applications requiring reliable pressure regulation.


Size 6, P → A, electrical with external electronics, 24 VDC

Industrial hydraulic valve in a high performance range. Reliable reduction of the pressure to the command value signal.

Unpacked Weight: 1.900 kg

Valves of type DRE are electrically pilot-operated 3-way pressure reducing valves with pressure limitation of the actuator. They are used for reducing a system pressure.

Technical set-up:

The valve consists of three main assemblies:

Pilot control valve (1) Proportional solenoid (2) Main valve (3) with main control spool (4)

Function:

General function:

Command value-dependent setting of the pressure to be reduced in channel A via the proportional solenoid (2). In the depressurized port P, the spring (17) holds the main control spool (4) in the initial position. Thus, opening the connection from A to T and blocking of the connection from P to A. Pressure connection from port P to the ring channel (5). Pilot oil flows from the bore (6) to port T, via the flow controller (7), the nozzle (8) to the pilot control valve (1), the throttle gap (9) to the longitudinal groove (10) and the bores (11, 12).

Pressure reduction:

Build-up of the pilot pressure in the control chamber (16) as function of the command value. Movement of the main control spool (4) to the right, hydraulic fluid flows from P to A. Actuator pressure pending in port A to the spring chamber (15) via channel (13) and nozzle (14). Increase in the pressure in port A to the set pressure of the pilot control valve (1) leads to the movement of the main control spool (4) to the left. Pressure in port A is almost identical with the set pressure at the pilot control valve (1).

Pressure limitation:

If the pressure in port A exceeds the set pressure of the pilot control valve (1), the main control spool (4) is moved further to the left. Thus, opening of the connection from A to T and limitation of the pressure pending in port A to the set command value. technical illustration-R901208854-Size 6, P → A, electrical with external electronics, 24 VDC

Valves of type DREE are electrically pilot-operated 3-way pressure reducing valves with pressure limitation of the actuator. They are used for reducing a system pressure.

Technical set-up:

The valve consists of three main assemblies:

Pilot control valve (1) Proportional solenoid (2) with control electronics (18) Main valve (3) with main control spool (4)

Function:

General function:

Command value-dependent setting of the pressure to be reduced in channel A via the proportional solenoid (2). In the depressurized port P, the spring (17) holds the main control spool (4) in the initial position. Thus, opening the connection from A to T and blocking of the connection from P to A. Pressure connection from port P to the ring channel (5). Pilot oil flows from the bore (6) to port T, via the flow controller (7), the nozzle (8) to the pilot control valve (1), the throttle gap (9) to the longitudinal groove (10) and the bores (11, 12). Supply and command value voltage or command value current are applied to the connector (19). At the factory, the command value pressure characteristic curve is adjusted with little manufacturing tolerance.

Pressure reduction:

Build-up of the pilot pressure in the control chamber (16) as function of the command value. Movement of the main control spool (4) to the right, hydraulic fluid flows from P to A. Actuator pressure pending in port A to the spring chamber (15) via channel (13) and nozzle (14). Increase in the pressure in port A to the set pressure of the pilot control valve (1) leads to the movement of the main control spool (4) to the left. Pressure in port A is almost identical with the set pressure at the pilot control valve (1).

Pressure limitation:

If the pressure in port A exceeds the set pressure of the pilot control valve (1), the main control spool (4) is moved further to the left. Thus, opening of the connection from A to T and limitation of the pressure pending in port A to the set command value. technical illustration-R901208854-Size 6, P → A, electrical with external electronics, 24 VDC
Component series 1X
Size 6
Maximum operating pressure 210 bar
Maximum flow 30 l/min
Spool symbolP → A
Max. pressure315
Electrical connection descriptionConnector 3-pole (2 + PE) according to EN 175301-803
Productgroup ID9,10,11,12,13,14
Number of ports3
Type of actuationElectrical with external electronics
Size6
Electrical connectorConnector 3-pole (2 + PE)
Max. flow30
Type of connectionSubplate mounting
Connection diagram NFPANFPA T3.5.1 R2-2002 D03
Size_CETOPD03
Connection diagramISO 4401-03-02-0-05
Supply voltage24 VDC
Number of switching positions2
Weight1.900
SealsNBR
Hydraulic fluidHL,HLP,HLPD,HVLP,HVLPD,HFC

01

02

03

04

05

06

07

08

09

10

11

12

13

DRE

6

1X

/

M

G24

*

01

Proportional pressure reducing valve

DRE

02

For external analog electronics

no code

With integrated electronics

E

03

Size 6

6

Pressure reduction

04

in channel A (subplate mounting)

no code

In channel P (sandwich plate valve)

VP

05

Component series 10 ... 19 (10 ... 19: unchanged installation and connection dimensions)

1X

Pressure rating

06

50 bar

50

100 bar

100

210

315 bar

315 1)

07

Without check valve

M

Power supply

08

Direct voltage 24 V

G24

09

With manual override

N9

Without manual override

no code

Electrical connection

10

For type DRE:

Without mating connector; connector DIN EN 175301-803

K4

For type DREE:

Without mating connector; connector M12

K24

Electrical interface

11

Command value 0 … 10 V

A1

Command value 4 to 20 mA

F1

For type DRE:

no code

Seal material

12

NBR seals

M

FKM seals

V

13

Further details in the plain text

*

For applications outside these parameters, please consult us!

general

Type

DRE DREE

Size

6

Component series

1X

Installation position

Any

Weight

kg

2 2.1

Storage temperature range

°C

-20 … +80

Ambient temperature range

°C

-20 … +80

hydraulic

Type

DRE DREE

Size

6

Maximum operating pressure

bar

315

Maximum operating pressure

Port P

bar

315

Port P1

bar

210

Port P2

bar

315

Port A

bar

210

Port B

bar

210

Port T

separate and depressurized to the tank

Maximum set pressure in ports P1 and A

Pressure rating 50 bar

bar

50

Pressure rating 100 bar

bar

100

Pressure rating 210 bar

bar

210

Pressure rating 315 bar 1)

bar

315

Minimum set pressure 2)

See characteristic curves

Pilot flow

l/min

0.65

Maximum flow

l/min

30

Hydraulic fluid

see table

Hydraulic fluid temperature range

°C

-20 … +80

Viscosity range

mm²/s

15 … 380

Maximum admissible degree of contamination of the hydraulic fluid, cleanliness class according to ISO 4406 (c) 3)

Class 20/18/15 according to ISO 4406 (c)

Hysteresis 4)

%

± 2.5

Repetition accuracy 4)

%

< ± 2

Linearity 4)

%

± 3.5

Manufacturing tolerance of the command value pressure characteristic curve 5)

%

± 2 ± 3

Step response 6)

10 ... 90%

ms

≈ 150

90 ... 10%

ms

≈ 150
1) Only available for "Z" version
2) with command value 0 in channels P1 and A
3) 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. For the selection of the filters, see www.boschrexroth.com/filter.
4) Of the maximum set pressure
5) of the maximum set pressure, related to the hysteresis characteristic curve, pressure increasing
6) measured with 1 liter standing hydraulic fluid column

Hydraulic fluid

Classification

Suitable sealing materials

Standards

Mineral oils and related hydrocarbons

HL, HLP

NBR / FKM

DIN 51524

Bio-degradable   - insoluble in water

HETG

NBR / FKM

VDMA 24568

HEES

FKM

Bio-degradable   - soluble in water

HEPG

FKM

VDMA 24568

Flame-resistant   - water-free

HFDU, HFDR

FKM

ISO 12922

Flame-resistant   - containing water

HFC (Fuchs HYDROTHERM 46M, Petrofer Ultra Safe 620)

NBR

ISO 12922

Important information on hydraulic fluids:

For more information and data on the use of other hydraulic fluids please contact us.

The flash point of the process and operating medium used must be 40 K over the maximum solenoid surface temperature.

There may be limitations regarding the technical valve data (temperature, pressure range, life cycle, maintenance intervals, etc.).

Flame-resistant   - containing water

Maximum operating pressure of 210 bar

Maximum hydraulic fluid temperature 60 °C

Expected life cycle as compared to HLP hydraulic oil 30% to 100%

electrical

Type

DRE DREE

Voltage type

Direct voltage

Power supply

Nominal voltage

24 V 24 VDC

Lower limit value

VDC

18

Upper limit value

VDC

35

Minimum control current

mA

100

Maximum control current

mA

1600

Solenoid coil resistance

Cold value at 20 °C

Ω

5

Solenoid coil resistance

Maximum hot value

Ω

7.5

Duty cycle

%

100

Current consumption

A

1.5

Required fuse protection

2 A, time-lag

Inputs

Voltage

V

0 … 10

Current

mA

4 … 10

Outlet

Actual current value

1 mV ≙ 1 mA

Protection class according to DIN EN 60529

IP65 (with mating connector mounted and locked)

Conformity

EN 61000-6-2: 2011-06, EN 61000-6-3: 2011-09

(measured with HLP46, ϑOil = 40 ±5 °C)

Pressure in port A dependent on the command value (manufacturing tolerance); without flow

(Z)DRE

technical illustration-R901208854-Size 6, P → A, electrical with external electronics, 24 VDC
1) With type (Z)DRE, the manufacturing tolerance at the external amplifier can be adjusted using the command value attenuator potentiometer "Gw". With the digital amplifier, the setting is made using the "Limit" parameter. In this connection, the control current according to the technical data must not be exceeded! In order to match several valves to the same characteristic curve, at a command value of 100%, the pressure must not exceed the maximum set pressure of the relevant pressure rating at no valve.

Type (Z)DRE: Pressure in port P1 or A dependent on the command value

Pressure rating 50 bar

(Z)DRE

technical illustration-R901208854-Size 6, P → A, electrical with external electronics, 24 VDC

Pressure rating 100 bar

(Z)DRE

technical illustration-R901208854-Size 6, P → A, electrical with external electronics, 24 VDC

Pressure rating 210 bar

(Z)DRE

technical illustration-R901208854-Size 6, P → A, electrical with external electronics, 24 VDC

Pressure rating 50 bar

(Z)DREE

technical illustration-R901208854-Size 6, P → A, electrical with external electronics, 24 VDC

Pressure rating 100 bar

(Z)DREE

technical illustration-R901208854-Size 6, P → A, electrical with external electronics, 24 VDC

Pressure rating 210 bar

(Z)DREE

technical illustration-R901208854-Size 6, P → A, electrical with external electronics, 24 VDC

Minimum set pressure in port P1 or A with command value 0 V

(without counter pressure in channel T)

Pressure rating 50 bar

(Z)DRE

technical illustration-R901208854-Size 6, P → A, electrical with external electronics, 24 VDC

Pressure rating 100 bar / 210 bar

(Z)DRE

technical illustration-R901208854-Size 6, P → A, electrical with external electronics, 24 VDC

Pressure in channel P1 or A – flow

Pressure rating 50 bar

(Z)DRE

technical illustration-R901208854-Size 6, P → A, electrical with external electronics, 24 VDC

Pressure rating 100 bar

(Z)DRE

technical illustration-R901208854-Size 6, P → A, electrical with external electronics, 24 VDC

Pressure rating 210 bar

(Z)DRE

technical illustration-R901208854-Size 6, P → A, electrical with external electronics, 24 VDC

Δp-qV characteristic curves

(Z)DRE

technical illustration-R901208854-Size 6, P → A, electrical with external electronics, 24 VDC

Δp-qV characteristic curves

(Z)DRE

technical illustration-R901208854-Size 6, P → A, electrical with external electronics, 24 VDC

Notice:

The indicated Δp value corresponds to the minimum pressure available in port P (P2) minus the maximum pressure to be controlled in port A (P1).

Type DRE 6...

technical illustration-R901208854-Size 6, P → A, electrical with external electronics, 24 VDC

Type DREE 6...

technical illustration-R901208854-Size 6, P → A, electrical with external electronics, 24 VDC

(Z)DREE 6...1X

Pin assignment

Contact

Assignment interface "A1"

Assignment interface "F1"

Power supply

1

24VDC(u(t)= 21 ...35V);Imax ≤ 1,5 A

Command value input

2

0 ... 10 V; Re = 20 kΩ

4 ... 20 mA; Re = 100 kΩ

Reference potential actual value

3

0 V

Differential amplifier input (command value)

4

Reference potential command value

M12 plug-in connector port

Connector on amplifier

technical illustration-R901208854-Size 6, P → A, electrical with external electronics, 24 VDC

Mating connector and wire colors with pre-assembled cable set

technical illustration-R901208854-Size 6, P → A, electrical with external electronics, 24 VDC

Connection at the connector

technical illustration-R901208854-Size 6, P → A, electrical with external electronics, 24 VDC

Connection at mating connector

technical illustration-R901208854-Size 6, P → A, electrical with external electronics, 24 VDC

Connection cable

technical illustration-R901208854-Size 6, P → A, electrical with external electronics, 24 VDC
1) Connection cable:- Recommendation 6-wire, 0.75 or 1mm2 plus protective earthing conductor and screening- Connect screening to PE on supply side only- Maximum admissible length 100 m The minimum supply voltage at the power supply unit depends on the length of the supply line (see diagram)

Type DRE 6...

Dimensions in mm

technical illustration-R901208854-Size 6, P → A, electrical with external electronics, 24 VDC

1

Proportional solenoid without manual override

2

Name plate

3

Valve housing

4

Identical seal rings for ports A, B, P, and T

5

mating connector according to DIN EN 175301-803

6

Space required to remove the mating connector

7

Machined valve contact surface; Porting pattern according to ISO 4401-03-02-0-05

8

Proportional solenoid with manual override

Type DREE 6...

Dimensions in mm

technical illustration-R901208854-Size 6, P → A, electrical with external electronics, 24 VDC

1

Proportional solenoid without manual override

2

Name plate

3

Valve housing

4

Identical seal rings for ports A, B, P, and T

5

mating connector according to DIN EN 175301-803

6

Space required to remove the mating connector

7

Machined valve contact surface; Porting pattern according to ISO 4401-03-02-0-05

8

Proportional solenoid with manual override

9

Integrated electronics (OBE)

Notice:

The dimensions are nominal dimensions which are subject to tolerances.

Recommended valve mounting screws (separate order):

4 hexagon socket head cap screws ISO 4762 - M5 x 50 - 10.9-flZn-240h-L Tightening torque MA = 7 Nm ± 10%

Mating connectors for valves with connector “K4”, without circuitry, standard

3P Z4

technical illustration-R901208854-Size 6, P → A, electrical with external electronics, 24 VDC

Mating connectors for valves with connector “K4”, without circuitry, standard

3P Z4

For valves with connector “K4” according to EN 175301-803 and ISO 4400, 2-pole + PE, “large cubic connector” Mating connectors for valves with one or two solenoids (individual connection)

Data sheet

Spare parts & repair