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Артикул: RX7260

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2-way cartridge valve, actively controllable LC2A

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Двухходовой патронный клапан с активным управлением LC2A Bosch Rexroth — это гидравлический прибор, который необходим, чтобы контролировать и регулировать поток рабочей жидкости в гидросистемах.

Принципом работы данного клапана является двухпозиционное управление потоком жидкости. Это устройство имеет два состояния: открытое и закрытое. При открытом состоянии рабочая жидкость проходит через клапан и передается в гидросистему. При закрытом состоянии поток жидкости блокируется и не проходит через клапан.

Активное управление клапаном осуществляется с помощью электромагнитного привода. Этот привод открыт или закрыт в зависимости от сигнала, поступающего от управляющей системы. Когда электромагнитный привод открыт, клапан находится в открытом состоянии, и поток жидкости проходит через него. Когда электромагнитный привод закрыт, клапан закрывается, и поток жидкости блокируется.

Двухходовой патронный клапан используют в гидравлических системах, в которых необходимо точное и быстрое управление потоком жидкости. Его можно использовать в промышленных машинах и оборудовании, автомобильной промышленности, сельскохозяйственной технике и других областях.

Основная функция двухходового патронного клапана с активным управлением LC2A Bosch Rexroth заключается в регулировании и контроле потока рабочей жидкости в гидросистемах. С помощью этого устройства происходит точное управление потоком жидкости, при этом открывая и закрывая клапан в соответствии с требованиями управляющей системы. Это позволяет обеспечить эффективную работу гидросистемы и выполнение необходимых операций.


Description

  • Size 16 … 125
  • Component series 1X
  • Maximum operating pressure 450 bar
  • Maximum flow 17000 l/min
  • Size 16 … 125
  • Component series 1X

Features

  • Actively controllable 2/2 directional cartridge valve ("two-level active logics")
  • Modular design, flexible circuit set-up
  • Installation bore according to ISO 7368
  • Energy efficiency due to flow-optimized geometry
  • Leakage-free due to integrated shaft sealing
  • Spool position monitoring “closed” and/or “open” or analog (can also be retrofitted)
  • BG certification

Product description

General

The 2-way cartridge valves type LC2A (hereinafter referredto as "active logics" (2) are designed in compact modular design and basically consist of cartridge (control spool (3) and socket (4), intermediate cover (5) as fixed functional unit and a control cover type LFA (1) that is part of the Rexroth standard logics program. This control cover (separate order, see data sheet 21010 or 21050) establishes the connection with the pilot control valves and/or other hydraulic elements and thus integrates the most different functions - irrespective of the basic assembly. Virtually all standard and special control covers type LFA can be mounted. Optionally, the active logics (2) is available with position switch (6). By default, the "closed" position of the control spool (3) is recorded. The receiving hole for the position switch is provided as a standard. This means that the position switch "Q7" can be retrofitted at any time without requiring adjustments. In contrast to the logic assemblies with only one control area in the spring chamber ("passive logics"), the name "active logics" significantly stands for a version with differential spool, with at least one additional control area A4 ("two-level active logics"). This area allows for the opening and keeping open of the active logics (2) by means of pilot pressure (without the necessity of pressure in the main ports A or B). The spring chamber area A5 of the control spool (3) consists of the individual areas A1 + A2 + A4. Compared to passive logics without control area A4, this results in excess area which, with suitable hydraulic circuitry, offers advantages during closing and keeping closed (excessive force, closing velocity).

In general

Area total A5 = A1 + A2 +A4 = A3 + A4 The areas A1, A2 and A4 are effective in the opening direction, area A5 (and the spring force) in closing direction. So the resulting effective force determines the position and movement of the control spool (3). Usually, there are no interim positions in the directional function variants. The direction of flow is free and can thus be perfectly adjusted to the application. Active logics type LC2A are generally equipped with spool sealing and are therefore leakage-free inside. The seat area is hydraulically "tight".

Active logics for directional function

Depending on the task, different control spool versions are possible. The active area can be connected with the available pilot oil guides in almost any way and in this way, most different functions can be realized with only 1 basic assembly.

Installation bore

The active logics type LC2A can be directly installed in a standard installation bore according to ISO 7368 (see dimensions). Thus, it is also suitable as retrofitting for existing "passive logics" that must be leakage-free inside or require position monitoring or faster closing times.

Type LC2A 025 ...-1X/.Q7G24…

(with control cover type LFA . D... and monitoring of the closed position of the valve poppet)

Type code

01

02

03

04

05

06

07

08

09

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

LC

2A

1X

/

*

01

Logic Cartridge

LC

02

2-level, active

2A

03

Size 16

016

Size 25

025

Size 32

032

Size 40

040

Size 50

050

Size 63

063

Size 80

080

Size 100

100

Size 125 (only version "F", valve poppet with overlap; not with version "450")

125

Control spool design (area ratio see product description)

04

A1:A2 = 2:1(A2 = 50 %)

A

A1:A2 = 14,3 : 1 (A2 = 7 %)

B

A1:A2 = 1 : 0 (A2 = 0 %)

D

05

Without spring

00

With spring, cracking pressure approx. 4 bar (referring to control spool design "A")

40

06

Valve poppet without damping nose

E

Valve poppet with damping nose

D

Valve poppet with overlap (preferred with "spool position monitoring"; only with control spool design "B")

F

07

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

1X

Maximum operating pressure

08

420 bar (standard)

no code

450 bar

450

Active area1) connected to port:

09

Z1

Z1

Z2

Z2

Z1 and Z2

U

X (not with version "450")

X

Y (not with version "450")

Y

Spool position monitoring 2) (position switch 1 = "1"; position switch 2 = "2") (version "450" only with "Q7", "Q9" and "without")

10

Position monitoring "closed"

Without position switch ("1" on side "Y" – can be retrofitted)

no code

With 1 position switch ("1" on side "Y" – mounted)

Q7

With 2 position switches ("1" - mounted on side "Y", attachment side of "2" NG-dependent ‒ mounted)

Q7Q7

With 1 position switch and second installation bore ("1" on side "Y" – not fitted, attachment side of "2" NG-dependent– mounted)

Q.Q7

Without position switch, with 2 installation bores ("1" on side "Y" – not fitted, attachment side of "2" NG dependent– not fitted)

Q.Q.

Combined position monitoring "1" (closed) and "2" (open) 3)

With 2 position switches "1" on side "Y" – mounted, attachment side of "2" NG-dependent – mounted)

Q7Q7T

Without position switch, with 2 installation bores ("1" on side "Y" – not fitted, attachment side of "2" NG dependent– not fitted)

Q.Q.T

With 1 position switch and second installation bore ("1" on side "Y" – not fitted, attachment side of "2" NG-dependent– mounted)

Q.Q7T

- Position monitoring "closed"; NAMUR 4)

With 1 position switch ("1" on side "Y" – mounted)

Q8

– Analog, position sensing

Inductive sensor with analog output (1 … 9 V DC); only with versions "LC2A . D40E-1X/…A", "LC2A . A.D-1X/…" and "LC2A . B.F-1X/…"

Q9

Combination "analog" and "digital" upon request

Electrical connection for position switch

5)

11

Without position switch

no code

UB = 24 V DC (standard; only with version "Q7" and "Q9")

G24

UB = 8 V DC (NAMUR; only with version "Q8"; not with version "450")

G08

Pilot oil bore in the control spool

6)

12

Without pilot oil bore

no code

- Pilot oil bore A → spring chamber (NG25 to 100 only)

NG25 – Maximum pilot oil bore Ø 10.0 mm

A100

NG32 – Maximum pilot oil bore Ø 13.0 mm

A130

NG40 – Maximum pilot oil bore Ø 16.0 mm

A160

NG50 – Maximum pilot oil bore Ø 20.0 mm

A200

NG63 – Maximum pilot oil bore Ø 26.0 mm

A260

NG80 – Maximum pilot oil bore Ø 32.0 mm

A320

NG100 – Maximum pilot oil bore Ø 40.0 mm

A400

Nozzle fitting

13

Without orifice

no code

With orifice in channel X – ➀

X**

14

Without orifice

no code

With orifice in channel F – to the active area

F**

15

Without orifice

no code

With orifice in channel Z1 – ➁ (not with version "X" and "Y")

D**

16

Without orifice

no code

With orifice in channel Z1 – ➀

Z**

17

Without orifice

no code

With orifice in channel Y – ➀

Y**

18

Without orifice

no code

With orifice in channel Z1 – ➁ (not with version "X" and "Y")

S**

19

Without orifice

no code

With orifice in channel Z2 – ➀

W**

20

Without orifice

no code

With orifice in channel X – ➁ (not with version "Z1", "Z2" and "U")

H**

21

Without orifice

no code

With orifice in channel Y – ➁ (not with version "Z1", "Z2" and "U")

L**

Corrosion resistance

22

None

no code

Improved corrosion protection (240 h salt spray test according to EN ISO 9227)

J3

Seal material

7)

23

FKM seals (preferred)

F

NBR seals (see technical data)

N

H-ECOPUR seals (with version "450")

P

24

Further details in the plain text

*

1) For structural-inherent reasons, the active surface (A4) can only be combined with one of the two pilot oil pairs "Z1/Z2" or "X/Y". Any subsequent change from "Z1/Z2" to "X/Y" is only possible with NG125.
2) BG certificate, see electrical connection
3) Not for NG16, 25 and 32
4) Only with version "G08". Evaluation electronics designed and approved of for NAMUR interfaces are standard.
5) Mating connectors, separate order, see "Accessories"
6) Only with type LC2A . D40E-1X/… for "check valve function"; the maximum pilot oil bore Ø has been determined according to thesize.
7) The selection of the seal material depends on the operating parameters (fluid, temperature, etc.)

➀ = component side

➁ = plate side

Order example orifice fitting:

  • ** = dimension in mm x 10 – e.g. orifice Ø1.2 mm in channel X – ① = "X12"
  • “99” = blanking plug e.g. blanking plug in channel Z2 – ① = “W99”

Technical data

general

Size

16 25 32 40 50 63 80 100 125

Ambient temperature range

°C

-20 … +80

MTTFD values according to EN ISO 13849 1)

Years

150
1) For further details, see data sheet 08012

hydraulic

Size

16 25 32 40 50 63 80 100 125

Maximum operating pressure

bar

450

Maximum flow 1)

l/min

17000

Hydraulic fluid

see table

Hydraulic fluid temperature range

°C

-20 … +80

Viscosity range

mm²/s

2.8 … 500

Maximum admissible degree of contamination of the hydraulic fluid 2)

Class 20/18/15 according to ISO 4406 (c)
1) Measured with p = 10 bar; if functionally higher Δp values are admissible, higher flows are possible, as well.
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.

Hydraulic fluid

Classification

Suitable sealing materials

Standards

Data sheet

Mineral oils

HL, HLP

NBR, FKM, H-ECOPUR

DIN 51524

90220

Bio-degradable

1)

Insoluble in water

HETG

FKM, H-ECOPUR

ISO 15380

90221

HEES

FKM, H-ECOPUR

Soluble in water

HEPG

FKM

ISO 15380

Flame-resistant

Water-free

HFDU (glycol base)

FKM, H-ECOPUR

ISO 12922

90222

HFDU (ester base)

FKM, H-ECOPUR

HFDR

FKM

Containing water

1)

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

NBR

ISO 12922

90223

Important information on hydraulic fluids:

  • For further information and data on the use of other hydraulic fluids please contact us.
  • There may be limitations regarding the technical valve data (temperature, pressure range, life cycle, maintenance intervals, etc.).

Flame-resistant – containing water:

  • Life cycle as compared to operation with mineral oil HL, HLP 30 … 100%
  • Maximum hydraulic fluid temperature 60 °C

Bio-degradable and flame-resistant:

If this hydraulic fluid is used, small amounts of dissolved zinc may get into the hydraulic system.

1) Not recommended for corrosion-protected version "J3" and "J5" (contains zinc)

Size of the annulus area

Surface in cm2

Type

Size

16

25

32

40

50

63

80

100

125

A1

LC2A . A...

1,89

4,26

6,79

11,1

19,63

30,02

37,9

63,6

LC2A . B...

2,66

5,73

9,51

15,55

26,42

41,28

52,8

89,1

133,7

LC2A . D...

2,84

6,16

10,18

16,62

28,27

44,2

56,74

95,0

A2

LC2A . A...

0,95

1,89

3,39

5,52

8,64

14,0

18,84

31,4

LC2A . B...

0,18

0,43

0,67

1,07

1,85

2,90

3,94

5,9

9,3

LC2A . D...

A3

LC2A . A/B/D...

2,84

6,16

10,18

16,62

28,27

44,2

56,74

95

143

A4

0,62

1,39

2,39

3,81

5,94

8,75

11,2

19,1

22,0

A5

3,46

7,55

12,6

20,4

34,2

52,8

67,9

114,0

165

Area ratio A5 : A4

2)

5,58

5,43

5,27

5,35

5,76

6,03

6,06

5,97

7,5

2) When determining the nozzle diameters for influencing the switching time, please observe the area ratio A5 : A4 (inflowing and outflowing hydraulic fluid in the control chambers A5 and A4)
In case of non-compliance, pressure conversion can be applied!

Control spool form

Type

Size

16

25

32

40

50

63

80

100

125

Stroke

cm

LC2A . ..E...

0,9

1,17

1,4

1,7

2,1

2,3

2,4

3,0

LC2A . ..D...

0,9

1,17

1,4

1,9

2,3

2,8

3,0

3,8

4,8

LC2A . ..F...

0,9

1,17

1,4

1,9

2,3

2,8

3,0

3,8

4,8

Pilot volume

cm3

LC2A . ..E...

3,1

8,8

17,6

34,7

71,8

121,4

163,0

339,0

LC2A . ..D...

3,1

8,8

17,6

34,8

78,7

147,8

203,7

429,4

792

LC2A . ..F...

3,1

8,8

17,6

34,8

78,7

147,8

203,7

429,4

792

Theoretical pilot flow

3)

l/min

LC2A . ..E...

3,7

10,6

21,1

41,6

86,6

145,7

195,6

406,8

LC2A . ..D...

3,7

10,6

21,1

46,6

94,4

177,4

244,4

515,3

950,4

LC2A . ..F...

3,7

10,6

21,1

46,6

94,4

177,4

244,4

515,3

950,4

Weight

kg

LC2A ...

2,2

2,6

3,9

10,3

16,5

30,5

52,5

92,0

167

Cracking pressure in bar

Type

Size

16

25

32

40

50

63

80

100

125

Direction of flow A to B

4)

LC2A . A...

3,50

3,90

3,80

4,0

4,11

3,8

3,13

3,04

LC2A . B...

2,48

2,90

2,70

2,86

3,05

2,8

2,25

2,17

1,45

Direction of flow B to A

4)

LC2A . A...

6,96

8,74

7,6

8,05

9,34

8,15

6,3

6,2

LC2A . B...

36,6

38,3

38,6

41,5

43,6

39,4

30,2

32,5

20,7

Control open with active area

Version "40"

>30

Without spring

>12

3) Quantity indications refer to a theoretical switching time of t = 50 ms (control chamber A5)
4) With direction of flow B → A, the control spool version "D" (“0 %") has no directly effective control open area (A2 = 0). For this direction of flow, the active area is to be controlled. A minimum pressure of 30 bar is recommended. The cracking pressure of the control spool version "D" almost corresponds to version "B" (A → B)

(For applications outside these values, please consult us!)

Diagrams/characteristic curves

(simulated with HLP46, ϑÖl = 40±5 °C)

without damping nose "E", direction of flow A → B

without damping nose "E", direction of flow A → B

without damping nose "E", direction of flow A → B

Notice:

The specified characteristic curves were simulated with 100% spool stroke and an aligned socket (see sketch under recommended socket alignment). The simulation results were validated by measurement results. The basis was an installation geometry with ØD3* (see installation under dimensions) and a simulation model according to ISO 4411/2008-10-01.

Recommended socket alignment:

without damping nose "E", direction of flow B → A

without damping nose "E", direction of flow B → A

without damping nose "E", direction of flow B → A

Notice:

The specified characteristic curves were simulated with 100% spool stroke and an aligned socket (see sketch under recommended socket alignment). The simulation results were validated by measurement results. The basis was an installation geometry with ØD3* (see installation under dimensions) and a simulation model according to ISO 4411/2008-10-01.

with damping nose “D”, direction of flow A → B

with damping nose “D”, direction of flow A → B

with damping nose “D”, direction of flow A → B

Notice:

The specified characteristic curves were simulated with 100% spool stroke and an aligned socket (see sketch under recommended socket alignment). The simulation results were validated by measurement results. The basis was an installation geometry with ØD3* (see installation under dimensions) and a simulation model according to ISO 4411/2008-10-01.

with damping nose "D", direction of flow B → A

with damping nose "D", direction of flow B → A

with damping nose "D", direction of flow B → A

Notice:

The specified characteristic curves were simulated with 100% spool stroke and an aligned socket (see sketch under recommended socket alignment). The simulation results were validated by measurement results. The basis was an installation geometry with ØD3* (see installation under dimensions) and a simulation model according to ISO 4411/2008-10-01.

with overlap “F”, direction of flow A → B

with overlap “F”, direction of flow A → B

with overlap “F”, direction of flow A → B

Notice:

The specified characteristic curves were simulated with 100% spool stroke and an aligned socket (see sketch under recommended socket alignment). The simulation results were validated by measurement results. The basis was an installation geometry with ØD3* (see installation under dimensions) and a simulation model according to ISO 4411/2008-10-01.

with overlap "F", direction of flow B → A

with overlap "F", direction of flow B → A

with overlap "F", direction of flow B → A

Notice:

The specified characteristic curves were simulated with 100% spool stroke and an aligned socket (see sketch under recommended socket alignment). The simulation results were validated by measurement results. The basis was an installation geometry with ØD3* (see installation under dimensions) and a simulation model according to ISO 4411/2008-10-01.

Inductive sensor with analog output type Q9

Notice:

The maximum sensor voltage US with 100% stroke is size- and/or tolerance-dependent and may range between 7 and 9 V DC. The inductive sensor is adjusted so that with 0% stroke, an output voltage of 1 V DC is available.

for orifice selection

Orifices

Orifice Ø in mm

Order numbers

Material numbers

M6 conical

M8 x 1 conical

G 1/8 conical

G 1/4 conical

G 3/8 conical

G 1/2 conical

G 1 conical

00

0,5

05

R913040356

R913017600

R913030187

R913040456

0,6

06

R913040358

R913017605

R913017606

R913020197

0,7

07

R913040360

R913017609

R913046092

0,8

08

R913029447

R913017614

R913017616

R913017615

R913040481

R913040499

1,0

10

R913019186

R913017621

R913024679

R913017622

R913040484

R913040500

1,2

12

R913040362

R913017627

R913017629

R913017628

R913040486

R913040501

1,5

15

R913028337

R913017637

R913017639

R913017638

R913040488

R913028317

1,8

18

R913030186

R913017644

R913017646

R913017645

R913040489

R913045913

2,0

20

R913029870

R913017651

R913040450

R913017652

R913028417

R913028336

2,5

25

R913032543

R913035796

R913017656

R913019582

R913040493

R913040502

3,0

30

R913040368

R913017661

R913017663

R913017662

R913018266

R913040503

R913040467

3,5

35

R913017667

R913040452

R913040463

R913028318

R913019856

R913040469

4,0

40

R913017670

R913027078

R913040464

R913018265

R913029168

R913040470

4,5

45

R913046571

R913017671

R913040465

R913040506

5,0

50

R913017673

R913040468

R913023871

R913019857

R913040471

5,5

55

R913027077

R913040495

R913053659

6,0

60

R913023870

R913028418

R913020247

7,0

70

R913040461

R913017675

R913040509

7,5

75

R913023430

R913018328

8,0

80

R913046570

R913040510

R913020246

closed

99

R913019128

R913019129

R913019137

R913019136

R913019138

R913019140

Plug screws

Thread

Tightening torque MA in Nm ±10 %

420 bar

450 bar

G 1/8

12

18

G 1/4

30

45

G 3/8

55

83

G 1/2

80

120

G 3/4

135

175

G 1

225

270

Symbols/Circuit diagrams

Examples of control spool forms and circuitries of the active area

➀ = component side

➁ = plate side

Type LC2A . B40E-1X/Z1...

Type LC2A . A40D-1X/Z1Q7G24…

Type LC2A . B40D-1X/Z2…

Type LC2A . A40D-1X/YQ7G24…

Type LC2A . D40D-1X/X…

Type LC2A . D40E-1X/Z1..A…

Assignment of the "active area" A4

Type LC2A …-1X/Z1…

(F1 not fitted)

Type LC2A …-1X/Z2 …

(F2 not fitted)

Type LC2A …-1X/U …

(F1 and F2 not fitted)

Type LC2A …-1X/Y …

(F2 not fitted)

Type LC2A …-1X/X …

(F1 not fitted)

For details regarding the "open" or "closed" circuitry of channels F1 and F2 (control of the active area) refer to "Dimensions" and "Ordering code".

Depending on the "Active area" ordering code, the number of possible orifice fittings is different in the continuous pilot oil guides, see "Orifice assignments" below.

Orifice assignment

Orifice fitting of the pilot oil guides in the cover

The fitting and assignment of the "active area" is not shown here (see "Assignment of the active area")

For details on the dimensions of the orifice installation bores "X" to "L", see "Dimensions".

On the component side, the orifice installation bores are always completely available; on the plate side, only the combinations of versions "H" and "L" or "D" and "S" are possible, see "Ordering code".

Notice:

With control channels that are not required, you must either use a blanking plug ".99" or the corresponding cover.

Circuit examples (schematic diagram, function must be checked with the application)

Notice:

It has to be ensured that pilot oil ports that are not required (blanking plugs) and all pressurized transitions between LFA and LC2A (R-rings) are sealed. This is particularly true for variants marked with *.

Check valve, releasable

Function "closing pressure-supported by excess area" (e.g. with control cover type "D")

"Passive logics with piston seal and spool position monitoring" function (Closing with spring force without excess area; here with control cover type "D")

ideal for retrofitting of existing circuits

"Self-closing" or "open basic position" (e.g. with control cover type "WEMA")

1) Pilot pressure

Control spool remains open as long as FZ2 ≥ FA + 30 bar

In case of failure or drop of the pilot pressure, the logic element closes hydraulically. Irrespective thereof, the logic element can be opened by unloading the spring chamber (minimum pilot pressure required).

"Pulling" and "Safe keeping closed" function

1) Consumer

The control spool of the active logics can be opened or closed depending on the two pilot oil pressures X and Z2. Thus, free flow is possible in both directions, irrespective of the pressure level in port B.

"Passive logics with piston seal" function, spool position monitoring and stroke limitation

Advantages:

  • Retrofitting for existing installation using the existing control cover type LFA and pilot control valves
  • Leakage-free locking
  • Position monitoring
  • Shortened closing time

"Closed basic position" function; safe locking, increased closing force

Advantages:

  • "Safe locking" in both directions
  • Control spool cannot be controlled open from side B (version "...D.E...")
  • Position switch retrofittable
  • Shortened switching time

Advantages:

  • Leakage-free separation of the two pilot pressures “X” and “Z1”
  • Function of a hydraulic detent (“Keeping open”, also in case of pilot pressure failure)
  • Permits complete pressure compensation of both main ports

"Check valve" and "Safe locking" function; increased closing force

Advantages:

  • Leakage-free locking
  • Increased closing force (shortened closing time)

“Check valve” (releasable) and “Safe locking” function; “Keeping open” additional function

Advantages:

  • "Safe locking" in both directions
  • Check valve function that can be switched off
  • Leakage-free locking
  • Monitoring of the open and closed position

"Check valve circuit" function, self-locking, fast-closing

Advantages:

  • Maximum load pressure in channel A 500 bar (condition: maximum pressure in channel B 250 bar)
  • Very fast closing by internal spring chamber filling (e.g. NG63 < 20 ms)
  • High locking force
  • Analog position sensing (optional)

“Separation between both pilot pressures and hydraulic keeping open in case of pilot pressure failure” function

Electrical connection

Inductive position switch type Q7

The electrical connection is realized via a 4-pole mating connector with connection thread M12 x 1 (separate order). The inductive position switch can be connected as normally closed or normally open contact.

Features:

  • Adjustment-free assembly due to fixed stop
  • Certification according to CE and cULus

Connection voltage

V

12 ... 30

Admissible residual ripple

%

< 15

Load capacity

mA

200

Tightening torque MA

Nm

10
+ 5 Nm

Switching outputs

PNP transistor outputs, load between switching outputs and GND

Pinout

1

+UB

2

Normally closed contact

3

L0

4

Normally open contact

Notes:

  • The "closed" spool position is adjusted to and optimized for a condition at operating temperature. Considerably deviating operating temperatures thus influence the absolute switching position as well as its hysteresis.
  • The position switch type Q7 has no connection for protective earthing conductors!
  • Assembly tool for position switch type Q7 or blind plug upon request.
  • BG certificate (only size 16 … 100 and valve poppet version "D" and "F"): The respectively valid "MHHW 10014" certificate for using the active logics type LC2A with position switch type Q7 in hydraulic security locks in injection molding machines according to the manufacturer's installation instructions is available upon request.

Inductive position switch type Q8

The electrical connection is realized via a 4-pole mating connector with connection thread M12 x 1 (separate order).

Features:

  • Certification according to CE
  • Explosion protection according to Ex II 2G Ex ia IIC T6
  • Use not with version "450"

Connection voltage (DC voltage)

V

8.2
+9 %/-6 %

Maximum current consumption, dampened:

mA

1

Maximum current consumption, not dampened:

mA

4

Tightening torque MA

Nm

10

Nm

+ 5

Switching outputs

NAMUR evaluation electronics necessary

Pinout

1

Current source

2

-

3

0 V, GND

4

-

Inductive sensor with analog output type Q9

The electrical connection is realized via a 4-pole mating connector with connection thread M12 x 1 (separate order).

Features:

  • Certification according to CE

Connection voltage

V

15 ... 30

Admissible residual ripple

%

< 15

Tightening torque MA

Nm

10
+ 5 Nm

Analog output:

Load resistance ≥ 2 kΩUS = 1 ... 9 V DC (in the installed, adjusted condition)Notice:The maximum sensor voltage US with 100% stroke is size- and/or tolerance-dependent and may range between 7 and 9 V DC. The inductive sensor is adjusted so that with 0% stroke, an output voltage of 1 V DC is available.

Pinout

1

+UB

2

-

3

L0

4

0 … 10 V DC

Switching point behavior and overlap: Valve poppet with damping nose "D" or overlap nose "F" and position overlap "closed"

h

Overlap stroke (mechanical)

s

Switching point window (electrical)

qv0

Maximum flow until hmin

Characteristic curve position switch type Q7

Dimensions

NG16 ... 63

With spool position monitoring (1 position switch "Q7", position monitoring "closed")
(with version "450" only with pilot oil bore "Z1" and "Z2")
Dimensions in mm

1

Name plate

1.1

Name plate NG16 and 25

2

Position switch (optional) or blind plug

3

Mating connector (separate order)

4

Space required to remove the mating connector

5

Sealing by the factory

6

Transport lock for control spool (marking K). Don't remove! Loosening or disassembly and assembly only admissible in case of service/repair!

7

Standard end/control cover type LFA... (separate order, depends on the basic hydraulic function)

8

Valve mounting screws (separate order, see table)

NG

L1

L2

L3

L4

L5

L6

L7 1)

H1

H2

ØD1

ØD2

ØD3

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

16 80 67 15 7 34.5 45.5 5
10
40 11.5 M6 G 1/8 8.5
25 85 67 9.5 10 37 48 5
10
40 11.5 M6 G 1/8 13.5
32 100 65 2 7 45 55 5
10
50 13.5 M8 x 1 G 1/8 19
40 125 58 - - 56 69 5
11
80 29.5 G 1/8 G1/4 22
50 140 58 - - 63.5 63.5 5
11
100 42.5 G 1/8 G1/4 24
63 180 45 - - 82.5 82.5 5
11
110 45.5 G1/4 G3/8 26 + 1
1) Version "450"

NG16 … 32

With spool position monitoring (2 position switches “Q7”, position monitoring “closed”)
(not with version "450")
Dimensions in mm

1.1

Name plate NG16 and 25

1.2

Name plate NG32 … 63

2

Position switch (optional) or blind plug

3

Mating connector (separate order)

4

Space required to remove the mating connector

5

Sealing by the factory

6

Transport lock for control spool (marking K). Don't remove! Loosening or disassembly and assembly only admissible in case of service/repair!

7

Standard end/control cover type LFA... (separate order, depends on the basic hydraulic function)

8

Valve mounting screws (separate order, see table)

NG

L1

L2

L3

L5

L6

H1

H2

ØD1

ØD2

ØD3

mm

mm

mm

mm

mm

mm

mm

mm

16 80 67 15 34.5 45.5 40 11.5 M6 G 1/8 8.5
25 85 67 9.5 37 48 40 11.5 M6 G 1/8 13.5
32 100 65 2 45 55 50 13.5 M8 x 1 G 1/8 19

NG40 … 63

With spool position monitoring (2 position switch "Q7", position monitoring "closed" and "open")
(not with version "450")
Dimensions in mm

1

Name plate

2

Position switch (optional) or blind plug

2.1

Position switch "open" ("Q7T")

3

Mating connector (separate order)

4

Space required to remove the mating connector

5

Sealing by the factory

6

Transport lock for control spool (marking K). Don't remove! Loosening or disassembly and assembly only admissible in case of service/repair!

7

Standard end/control cover type LFA... (separate order, depends on the basic hydraulic function)

8

Valve mounting screws (separate order, see table)

NG

L1

L2

L5

L6

H1

H2 1) 2)

ØD1

ØD2

ØD3

mm

mm

mm

mm

mm

mm

mm

mm

40 125 58 56 69 80 29.5
23
G 1/8 G1/4 22
50 140 58 63.5 63.5 100 42.5
35
G 1/8 G1/4 24
63 180 45 82.5 82 110 45.5
36
G1/4 G3/8 26 + 1
1) Position monitoring "closed"
2) Position monitoring "open"

NG80 … 125

With spool position monitoring (1 position switch "Q7", position monitoring "closed")
(version "450" only up to NG100 and pilot oil bore "Z1" and "Z2")
Dimensions in mm

1

Name plate

2

Position switch (optional) or blind plug

3

Mating connector (separate order)

4

Space required to remove the mating connector

5

Sealing by the factory

6

Transport lock for control spool (marking K). Don't remove! Loosening or disassembly and assembly only admissible in case of service/repair!

7

Standard end/control cover type LFA... (separate order, depends on the basic hydraulic function)

8

Valve mounting screws (separate order, see table)

NG

ØD1

ØD2

ØD3 1)

ØD4

ØD5

L1

L2

H1

H2

mm

mm

mm

mm

mm

mm

80 G1/2 G1/2 G1
G3/4
26 + 1 250 37
-
5 1)
13 1)
120 48
100 G1/2 G1/2 G1
G3/4
33 + 0.5 300 26
-
5 1)
13 1)
140 55.2
125 G3/4 G1/2 G3/4
-
40 380 -
-
5
-
160 65.2
1) Version "450"

NG80 … 125

With spool position monitoring (2 position switch "Q7", position monitoring "closed" and "open")
(not with version "450")
Dimensions in mm

1

Name plate

2

Position switch (optional) or blind plug

2.1

Position switch "open" ("Q7T")

3

Mating connector (separate order)

4

Space required to remove the mating connector

5

Sealing by the factory

6

Transport lock for control spool (marking K). Don't remove! Loosening or disassembly and assembly only admissible in case of service/repair!

7

Standard end/control cover type LFA... (separate order, depends on the basic hydraulic function)

8

Valve mounting screws (separate order, see table)

9

Connection possibility for a 3rd position switch "closed"(optional, only NG125)

NG

ØD1

ØD2

ØD3

ØD4

ØD5

L1

H1

H2 1) 2)

mm

mm

mm

mm

mm

80 G1/2 G1/2 G1 26 + 1 250 37
-
120 48
37.3
100 G1/2 G1/2 G1 33 + 0.5 300 26
-
140 55.2
44.7
125 G3/4 G1/2 G3/4 40 380 -
-
160 65.2
54.5
1) Position monitoring "closed"
2) Position monitoring "open"

Valve mounting screws (separate order)

NG

Control cover type LFA

Hexagon socket head cap screws ISO 4762-10.9-flZn

420 bar

450 bar

Quantity

Dimensions

Material number (preferred)

Tightening torque MA2) in Nm ±10 %

420 bar

450 bar

16

1)

D, H

4

M8 x 80

R913015803

30

WE., GW.

KWMA

M8 x 85

R913004145

WEM., GWMA20

M8 x 95

R913015806

WEM.

M8 x 110

R913015792

HWM.

HWM.

M8 x 140

R913018191

25

1)

D, H, WEM., KWMA

4

M12 x 90

R913015617

100

90

GWMA20

M12 x 130

R913015591

HWM.

HWM.

M12 x 140

R913015593

32

1)

D, WEM, KWMA

4

M16 x 110

R913015642

240

220

H3, H4

M16 x 120

R913014711

H1, H2

H1, H2

M16 x 130

R913014713

GWMA20

M16 x 140

R913015591

HWM.

HWM.

M16 x 160

R913015647

40

1)

D, WEM, KWMA

4

M20 x 150

R913015676

480

430

GWMA20

M20 x 180

R913014714

H., HWM.

H., HWM.

M20 x 190

R913015680

50

1)

D, WEM, KWMA, GWMA20

4

M20 x 180

R913014714

480

430

H., HWM.

H., HWM.

M20 x 220

R913014716

63

1)

D, WEM, KWMA, GWMA20

4

M30 x 210

R913015754

1600

1500

H., HWM.

H., HWM.

M30 x 260

R913015758

80

1)

D, WEM, GWMA20

8

M24 x 220

R913015719

800

750

H2, H4

H., KWMA

M24 x 240

R913015721

100

D, WE.

D, GWMA20, KWMA

8

M30 x 260

R913015758

1600

1500

1)

H.

M30 x 280

R913015760

125

H., WEM, WE, D

8

M36 x 320

R913050473

2300

1) More available series control covers
2) Calculated with total friction coefficient μ = 0.09 ... 0.14, adjust incase of modified surfaces

Notice!

The length of the valve mounting screws of the active logics (intermediate cover) must be selected according to the related control cover type LFA....

Screw type, screw length and tightening torque are to be adjusted to the conditions depending on the application.

For reasons of stability, exclusively the following valve mounting screws may be used:

Installation bore and connection dimensions according to ISO 7368

Dimensions in mm

Required surface quality of the valve contact surface

1

Depth of fit

2

Port B may be positioned around the central axis of port A. However, it must be observed that the mounting bores and the pilot oil bores are not damaged.

NG16 ... 63

Dimensions in mm

1

Bore for locating pin

NG80 and 100

Dimensions in mm

1

Bore for locating pin

NG125

Dimensions in mm

1

Bore for locating pin

Notes:

  • All information on the mounting bore D5 is based on the use of hexagon socket head cap screws according to ISO 4762.
  • Installation see assembly instructions 21040-MON.

NG

ØD1H7

ØD2

ØD3/ØD3* 1)

ØD4H7

ØD5

ØD6

ØD7H13

H1

H2

H3

H4

H5

H6

H7

H8

H9

L1

L2

L3

L4

L5

Ro 2)

Ru 2)

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

16 32 16 16
25
25 M8 4 4 42.5 56 + 0.1 43 ± 0.2 20 11 2 20 2 0.5 80
-
46
-
23 25 10.5 2 1
25 45 25 25
32
34 M12 6 6 57 72 + 0.1 58 ± 0.2 25 12 2.5 30 2.5 1 85
-
58
-
29 33 16 2 1
32 60 32 32
40
45 M16 8 6 68.5 85 + 0.1 70 ± 0.2 35 13 2.5 30 2.5 1.5 102
-
70
-
35 41 17 2 1
40 75 40 40
50
55 M20 10 6 84.5 105 + 0.1 87 ± 0.3 45 15 3 30 3 2.5 125
-
85
-
42.5 50 23 4 1
50 90 50 50
63
68 M20 10 8 97.5 122 + 0.1 100 ± 0.3 45 17 3 35 4 2.5 140
-
100
-
50 58 30 4 1
63 120 63 63
80
90 M30 12 8 127 155 + 0.1 130 ± 0.3 65 20 4 40 4 3 180
-
125
-
62.5 75 38 4 1
80 145 80 80
100
110 M24 16 10 170.5 205 + 0.1 175 ± 0.4 50 25 5 40 5 4.5 250
-
200
-
- - - 4 1
100 180 100 100
125
135 M30 20 10 205.5 245 + 0.1 210 ± 0.4 63 29 5 50 5 4.5 300
-
245
-
- - - 4 1
125 225 150 125
160
200 - - - 255 300 + 0.15 257 ± 0.5 - 31 7 ± 0.5 50 5.5 ± 0.2 2 -
-
-
-
- - - 4 1
1) Due to the use of a bore with ØD3*, port B protrudes over the upper limit of the area intended in ISO 7368. This is, however, possible due to the sealing concept and reduces the pressure loss during flow through the valve. Thus, we recommend a bore with ØD3*.
2) Maximum dimension

Accessories

Mating connectors for sensors and valves with connector “K24”, “K35” and “K72”, M12 x 1

4P Z24

Mating connectors for sensors and valves with connector “K24”, “K35” and “K72”, M12 x 1

4P Z24

  • For sensors and valves with connector “K24”, “K35” and “K72”
  • Mating connectors M12, 4-pole, line cross-section 0.75 mm2

Downloads

2-way cartridge valve, actively controllable
Data Sheet | RE21040 | 2017-05-01 | English | PDF | 1.1MB

Product Groups: Logic elements - directional function
Type LC2A
2-way cartridge valve, actively controllable, Type LC2A016...125, Mounting instructions
Manual | RE21040-MON | 2016-11-01 | English | PDF | 1.6MB

Product Groups: Logic elements - directional function

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На выставке LogiMAT компания Bosch Rexroth представила передовые компоненты, подсистемы и системные решения для автоматизации и оптимизации логистики. Среди предложений компании - практические решения для трансмиссии и рабочих функций промышленных грузовиков и автономных мобильных роботов (AMR), вкл..

22 Марта, 2024
Bosch Rexroth открывает новые возможности в управлении машинами и подключении к IoT

Bosch Rexroth предлагает одну из самых производительных систем ЧПУ на рынке. Компания является лидером в области автоматизации и устанавливают стандарты в этой области. От датчиков и сервоприводов до революционной новой платформы, Bosch Rexroth предлагает широкий спектр решений для автоматизации. ..

16 Февраля, 2024
Bosch Rexroth и TotalEnergies объединяют свои усилия для продвижения альтернативных и экологичных гидравлических жидкостей

Bosch Rexroth и TotalEnergies (французская нефтегазовая компания) 18 декабря 2023 года подписали соглашение сотрудничестве, направленном на разработку, внедрение и маркетинг гидравлических жидкостей на водной основе, с акцентом на экологичность, огнестойкость и производительность. Данный союз отр..

11 Января, 2024
Bosch Rexroth представляет Интеллектуальный функциональный набор для обработки данных Smart Function Kit for Handling

Компания Bosch Rexroth является одним из ведущих мировых производителей и поставщиков технологий и услуг в области промышленной автоматизации. Это производитель рад представить вам свой интеллектуальный функциональный набор для обработки данных. Это инновационное оборудование, с помощью которого п..

4 Декабря, 2023

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