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? Electrohydraulic directioanl valve directioanls the oil path by controlling the main spool
? WEH electrohydraulic control
? Installation face follow DIN 24340 A, ISO 4401 and CETOP-RP 121H Sub-plate mounting connection
? Wet DC or AC solenoid (optional)
? With manual emergency control
? Electropneumatic connection as single or center connection
? Spring or hydraulic alignment or bias

NG10

Specifications			H-WEH10 type				WEH10 type
Max. operating pressure：P、A、B			350				280
Port T	With external pilot oil drain bar		315
	With internal pilot oil drain bar		DC 210 AC 160
Port Y	With external pilot oil drain bar		DC 210 AC 160
Min. control pressure	With external pilot oil supply ( not apply to C、Z、 F、G、H、P、T、V) bar		3-position valve 10
			Spring-return 2-position valve 10
			Hydraulic-return 2-position valve 7
	With internal pilot oil supply ( apply to C、Z、F、 G、H、P、T、V) bar		6.5
Max. control pressure bar			250
Fluid			Mineral oil,Phosphate ester
Fluid temperature range ℃			-30 to +80 ( NBR seals
			-20 to +80 ( FKM seals )
Viscosity range mm²/s			2.8 to 500
Switching pilot oil volume cm³			3-position valve 2.04
			2-position valve 4.08
Switching times (= Valve switching time from the neutral position to the switched position)（AC and DC ）
Control pressure bar			70		140		210		250
			AC	DC	AC	DC	AC	DC	AC	DC
3-position valve ms			30	65	25	60	20	55	15	50
2-position valve ms			35	80	30	75	25	70	20	65
Switching times (= Valve switching time from the switched position to the neutral position)
3-position valve ms			30
2-position valve ms			35	40	30	35	25	30	20	25
Installation position			HC、HD、HK、HZ、HY Type hydraulic-return valves are installed horizontally, the rest can be installed arbitrarily
Flow of shortest switching time L/min			about 35
Weight		Single solenoid valve kg	6.7
		Double solenoid valve kg	7.1
		Switching time regulator kg	1.0
		Reducing valve kg	0.5

NG16

Specifications

H-...WEH16... type

...WEH16... type

Max. operating pressure：P、A、B

350

Port T

With external pilot oil drain bar

250

With internal pilot oil drain bar

DC 210 AC 160

Hydraulic-centering 3-position valve With internal pilot oil drain is impossible

Port Y

With external pilot oil drain bar

DC 210 AC 160

Min. control pressure

With external pilot oil supply ( not apply to C、Z、
F、G、H、P、T、V)bar

3-position valve 14

Spring-return 2-position valve 14

Hydraulic-return 2-position valve 14

With internal pilot oil supply ( apply to C、Z、F、 G、
H、P、T、V) bar

When applying prepressing or the flow is large correspondingly ,enginery of spool valve is 4.5 as C,Z,F,G,H,P,T and V

Max. control pressure bar

250

Fluid

Mineral oil,Phosphate ester

Fluid temperature range ℃

-30 to +80 ( NBR seals

-20 to +80 ( FKM seals )

Viscosity range mm²/s

2.8 to 500

Switching pilot oil volume

- Spring-centering 3-position valve cm³

5.72

- 2-position valve cm³

11.45

Hydraulic-centering 3-position valve

- From"0"position to working position"a" cm³

2.83

- From working position"a" to "0"position cm³

2.9

- From"a"position to working position"b" cm³

5.72

- From working position"b" to "0"position cm³

2.83

* * Switching times (= Valve switching time from the neutral position to the switched position)(AC and DC)

Control pressure bar

50

150

250

AC

DC

AC

DC

AC

DC

AC

DC

AC

DC

AC

DC

- Spring-centering 3-position valve ms

35

65

30

60

30

58

- 2-position valve ms

45

65

35

55

30

50

- Hydraulic-centering 3-position valve ms

/

b

a

b

a

b

a

b

a

b

a

b

30

65

25

55

63

20

25

55

60

**Switching times (= Valve switching time from the neutral position to the switched position)

- Spring-centering 3-position valve ms

30

- 2-position valve ms

45

35

30

- Hydraulic-centering 3-position valve ms

a

b

a

b

a

b

a

b

a

b

a

b

20

Installation position

C,D,K,Z,Y Type hydraulic-return valves are installed horizontally, the rest can be installed arbitrarily

Flow of shortest switching time L/min

about 35

Weight kg

about 9.5

NG25

Specifications		H-...WEH25... type								...WEH25... type
Max. operating pressure：P、A、B		350								280
Port T	With external pilot oil drain bar	250

	With internal pilot oil drain bar	DC 210 AC 160
		Hydraulic-centering 3-position valve With internal pilot oil drain is impossible
Port Y	With external pilot oil drain bar	DC 210 AC 160
Min. control pressure	With external pilot oil supply ( not apply to C、Z、F、 G、H、P、T、V) bar	Spring-centering 3-position valve 13
		Hydraulic-centering 3-position valve 18
		Spring-return 2-position valve 13
		Hydraulic-return 2-position valve 8
	With internal pilot oil supply ( apply to C、Z、F、 G、H、P、T、V) bar	When applying prepressing or the flow is large correspondingly ,enginery of spool valve is 4.5 as C,Z,F,G,H,P,T and V
Max. control pressure bar		250
Fluid		Mineral oil,Phosphate ester
Fluid temperature range ℃		-30 to +80 ( NBR seals
		-20 to +80 ( FKM seals )
Switching pilot oil volume
- Spring-centering 3-position valve cm³		14.2
- 2-position valve cm³		28.4
Hydraulic-centering 3-position valve

- From"0"position to working position"a" cm³		7.15
- From working position"a" to "0"position cm³		7.0
-From "0"position to working position"b" cm³		14.15
-From working position"b" to "0"position cm³		5.73
* Switching times (= Valve switching time from the neutral position to the switched position)(AC and DC)
Control pressure bar		50				140				210				250
		AC		DC		AC		DC		AC		DC		AC		DC
- Spring-centering 3-position valve ms		50		85		40		75		35		70		30		65
- 2-position valve ms		120		160		100		130		85		120		70		105
- Hydraulic-centering 3-position valve ms		a	b	a	b	a	b	a	b	a	b	a	b	a	b	a	b
		30	35	55	65	30	35	55	65	25	30	50	60	25	30	50	60
*Switching times (= Valve switching time from the neutral position to the switched position)
- Spring-centering 3-position valve ms		40
- 2-position valve ms		120		125		95		100		85		90		75		80
- Hydraulic-centering 3-position valve ms		a	b	a	b	a	b	a	b	a	b	a	b	a	b	a	b
		20	35	30	35	30	35	30	35	30	35	30	35	30	35	30	35
Installation position		C,D,K,Z,Y Type hydraulic-return valves are installed horizontally, the rest can be installed arbitrarily
Flow of shortest switching time L/min		about 35
Weight kg		about 18

NG32

Specifications		H-...WEH32... type						...WEH32... type
Max. operating pressure：P、A、B		350						280
Port T	With external pilot oil drain bar	250

	With internal pilot oil drain bar	DC 210 AC 160
		Hydraulic-centering 3-position valve With internal pilot oil drain is impossible
Port Y	With external pilot oil drain bar	DC 210 AC 160
Min. control pressure	With external pilot oil supply With internal pilot oil supply	3-position valve 8.5

		Spring-return 2-position valve 10
		Hydraulic-return 2-position valve 15
	With internal pilot oil supply ( apply to C、Z、F、 G、H、P、T、V) bar	When applying prepressing or the flow is large correspondingly ,enginery of spool valve is 4.5 as C,Z,F,G,H,P,T and V
Max. control pressure bar		250
Fluid		Mineral oil,Phosphate ester
Fluid temperature range ℃		-30 to +80 ( NBR seals
		-20 to +80 ( FKM seals )
Viscosity range mm²/s		2.8 to 500
Switching pilot oil volume
- Spring-centering 3-position valve cm³		29.4
- 2-position valve cm³		58.8
Hydraulic-centering 3-position valve
- From"0"position to working position"a" cm³		14.4
- From working position"a" to "0"position cm³		15.1
- From "0"position to working position"b" cm³		29.4
- From working position"b" to "0"position cm³		14.4
* Switching times (= Valve switching time from the neutral position to the switched position)(AC and DC)
Control pressure bar		50				150				250
		AC		DC		AC		DC		AC		DC
- Spring-centering 3-position valve ms		65		80		50		90		35		105
- 2-position valve ms		100		130		75		100		60		115
- Hydraulic-centering 3-position valve ms		a	b	a	b	a	b	a	b	a	b	a	b
		55	60	100	105	40	45	85	95	35	40	85	95
*Switching times (= Valve switching time from the neutral position to the switched position)
- Spring-centering 3-position valve ms		( DC ：50，AC ：60)
- 2-position valve ms		115		90		35		70		65		65
- Hydraulic-centering 3-position valve ms		a	b	a	b	a	b	a	b	a	b	a	b
		30	50	30	40	60	75	30	30	105	140	50	50
Installation position		C、D、K、Z、YType hydraulic-return valves are installed horizontally, the rest can be installed arbitrarily
Flow of shortest switching time L/min		about 50
Weight kg		about 36

Mining Truck

Horizontal Directional Drilling

Truck Crane

Excavator

Concrete Pump

Aerial Work Platform

Forging Presses

CNC Bending Machines

Die Casting Machine

Injection Molding Machines

Metallurgy

Port Machinery

Offshore Equipment

Wind Power

Water Conservancy Industry

Wet Spraying Machine

Shield tunneling

? 2023 Shanghai Lixin Hydraulics Co., Ltd. copyright

ICP: hu13042344

WEH Series

4/3, 4/2 And 3/2 Directional Valves Of Pilot Operated

? Specification: 10~32? Rated pressure: 280~350 bar? Rated flow: 160~1,100 L/min? Sub-plate mounting, electro hydraulic directioanl

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? Specification: 10~32
? Rated pressure: 280~350 bar
? Rated flow: 160~1,100 L/min
? Sub-plate mounting, electro hydraulic directioanl