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920.337.0234
FSC Acquires Norcan

BOSCH
0811404445

$15,419.00

BOSCH

MATERIAL:  0811404445

Due to extremely high demand, please call 920-337-0234 for availability

Valves of type 4WRVE are pilot-operated high-response valves in servo quality.

01

02

03

04

05

06

07

08

09

10

11

12

13

14

4

WRV

E

2X

/

G24

K0

/

B5

M

*

01

4 main ports

4

02

High-response directional valve, pilot operated

WRV

03

With integrated electronics (OBE)

E

04

Size 10

10

Size 16

16

Size 25

25

Size 27

27 1)

05

Symbols; for the possible version, see "Symbols/Circuit diagrams"

V, V1

Rated flow (Δp = 5 bar)

06

Size 10

40 l/min

40 2)

55 l/min

55 3)

70 l/min

70 2)

85 l/min

85 3)

Size 16

90 l/min

90 2)

120 l/min

120 3)

150 l/min

150 2)

200 l/min

200 3)

Size 25

300 l/min

300 2)

370 l/min

370 3)

Size 27

430 l/min

430 1) 3)

Flow characteristic

07

Progressive with linear fine control range

M

Inflected characteristic curve, linear (inflection at 40 %)

P

Linear

L

08

Component series 20 ... 29 (20 ... 29: unchanged installation and connection dimensions) - Size 6

2X

Supply voltage of the control electronics

09

Direct voltage 24 V

G24

Pilot oil supply and return

10

External pilot oil supply, external pilot oil return

no code

Internal pilot oil supply, external pilot oil return

E

Pilot oil supply internal, pilot oil return internal

ET

External pilot oil supply, internal pilot oil return

T

Electrical connection

11

Without mating connector; connector DIN 43563-AM6

K0

Electrical interface

12

Command value ±10 V

B5

Seal material

13

NBR seals

M

14

Further details in the plain text

*

1)

NG27 is a high-flow version of NG25, the connection bores P, A, B, T in the main stage are designed with Ø32 mm. Deviating from the standard ISO 4401-08-08-0-05, ports P, A, B, T can be bored in the manifold with a maximum of Ø30 mm. So these valves offer higher flow values QA : QB

2)

QN: flow characteristic P

3)

QN: flow characteristic M or L

For applications outside these parameters, please consult us!

general

Type

4WRVE

Size

10 16 25 27

Component series

2X

Design

Directional spool valve, pilot-operated

Type of actuation

High-response directional valve NG6 with position control for pilot control and main valve

Anschlussart

For subplate mounting: Porting pattern according to ISO 4401

Installation position

Any

Earth

kg

8 10.4 18.2

Ambient temperature range

°C

-20 … +50

hydraulic

Type

4WRVE

Size

10 16 25 27

Maximum operating pressure

bar

350

Maximum operating pressure

Port T

bar

250

Port Y

bar

250

Port X

bar

250

Maximum operating pressure

Port P

External pilot oil supply

bar

350

Port A

bar

350

Port B

bar

350

Maximum operating pressure

Port P

Internal pilot oil supply

bar

250

Port A

bar

250

Port B

bar

250

Nominal flow 1)

l/min

40
55
70
85
90
120
150
200
300
370
430

Nominal flow

Pilot control valve

l/min

8 24 40

Maximum flow

l/min

170 450 900 1000

Hydraulic fluid temperature range

°C

-20 … +65

Viscosity range

mm²/s

10 … 800

preferably

mm²/s

20 … 100

Maximum admissible degree of contamination of the hydraulic fluid, cleanliness class according to ISO 4406 (c) 2)

Class 18/16/13 according to ISO 4406 (c)

Hysteresis

%

< 0.1

Manufacturing tolerance

%

≤ 10

Temperature drift

%

< 1

Actuating time

0 ... 100 %

ms

12 15 23

0 ... 10 %

ms

6 7 10

Actuating time

0 ... 100 %

Symbol E, E1-, W6-, W8-

ms

40 50 90
1) Δp = 5 bar per edge
2) 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.

electrical

Type

4WRVE

Power supply

Nominal voltage

V

24

Lower limit value

V

21

Upper limit value

V

40

Duty cycle

%

100

Maximum power consumption

VA

30

Required fuse protection

AT

2.5 AF

Protection class according to DIN EN 60529

IP65 (with mating connector mounted and locked)

EMC (electro-magnetic compatibility)

CE conformity according to EMC directive 2004/108/EC tested according to EN 61000-6-2 and EN 61000-6-3

Zero point calibration 1)

%

± 1
1) ex works

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