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International

Directional spool valves, pilot operated, with hydraulic or electro-hydraulic actuation

Pedido de consulta

Código

H-

WEH

Type WEH and WH

Folha de dados

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Result count

1928 de 1928

Pilot pressure

Up to 350 bar

H-

Up to 350 bar

Type

4-way version

Types of actuation

Electro-hydraulic

WEH

Electro-hydraulic

Size

NG10

NG16

NG25

NG32

Symbols

D42-

D42

E42-

E42

U10B

Component Series

Component series 40 … 49 (40 … 49: unchanged installation and connection dimension) – NG10

Component series 60 … 69 (60 … 69: unchanged installation and connection dimension) – NG25 ("W.H 25") and NG32

Component series 70…79 (70…79: unchanged installation and connection dimensions) – NG16 (from series 72) and NG25 ("W.H 22")

Control spool return in the pilot control valve

with 2 spool positions and 2 solenoids (Only possible with symbols A, B, C, D, K, Z and hydraulic control spool return in the main valve)

selection_area - unbekannter Typ: separator

Pilot control valve

High-power valve (data sheet 23178)

Supply voltage

For other voltages, frequencies and electric data, see data sheet 23178

G110

110V DC

G12

12V DC

G205

205V DC

G24

24V DC

G96

96V DC

Manual override

Without manual override

With manual override

With concealed manual override

Corrosion resistance (outside)

None (valve housing primed)

Pilot oil flow

(for type WH… only "no code"; Version "ET" and "T" with 3-spool position valve, pressure-centered only possible if pSt ≥ 2 x ptank + pSt min)

External pilot oil supply, external pilot oil return

Selection of pressure reducing valve "D3" and plug-in throttle "B10" is required!

Internal pilot oil supply, external pilot oil return

Selection of pressure reducing valve "D3" and plug-in throttle "B10" is required!

Internal pilot oil supply, internal pilot oil return

External pilot oil supply, internal pilot oil return

Switching time adjustment

Without switching time adjustment

Switching time adjustment as supply control

Switching time adjustment as discharge control

Electrical connection

For further electrical connections, see data sheet 23178 and 08010

Without mating connector; connector DIN EN 175301-803

Spool position monitoring

For more information, see data sheet 24830

QM0G24

Monitored rest position

QMABG24

Monitored spool position "a" and "b"

QMAG24

Monitored spool position "a"

QMBG24

Monitored spool position "b"

Throttle insert

Without throttle insert

B10

Throttle Ø 1.0 mm

B15

Throttle Ø 1.5 mm

B20

Throttle Ø 2.0 mm

B25

Throttle Ø 2.5 mm

(not for NG10)

Without preload valve

P4,5

With preload valve (po = 4.5 bar)

Pressure reducing valve

Without pressure reducing valve

With pressure reducing valve

Seal material

(observe compatibility of seals with hydraulic fluid used)

NBR seals

Recommended for operation with HFC hydraulic fluids together with high temperatures

FKM seals

Documentação

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Product description

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Product description

Código:H-4WEH/6E/

The following data were selected.
Pilot pressure	H-	Up to 350 bar
Type	4	4-way version
Types of actuation	WEH	Electro-hydraulic
Pilot control valve	6E	High-power valve (data sheet 23178)
Corrosion resistance (outside)		None (valve housing primed)

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