1398SMD004EN00 - 27-08-2019

Monoblock directional control valves ML

ML - Directional control valve

Before use, carefully read the GENERAL INSTRUCTIONS FOR USE OF DIRECTIONAL CONTROL VALVES Monoblock directional control valvesML 398SMD004EN00 -

2 398SMD004EN00 - 27-08-2019

ML Technical data

Nominal flow 35 l/min 9.2 US gpm

Nominal pressure 250 bar 3625 psi

Maximum tank pressure 50 bar 725 psi

Internal leakage (A or B -> P and T) p=100 bar (1450 psi)

8 cm³/min ± 20 0.49 in³/min ± 1.22

Temperature range-20°C +85°C NBR seals (max peak +100°C) -20°C + 130°C HNBR seals

Oil viscosityfrom 15 mm²/s to 90 mm²/s (15 cSt to 90 cSt)

FluidHydraulic fluids as defined in ISO 6743-4 standard

P

1

2

2

1B

2

B1

1

T

2

A2

2

P1 A1

T

T10

10

B2

P

1

00

1

0

A

2

0

BP

AT

STANDARD version

Section

P

T

Technical data

3398SMD004EN00 - 27-08-2019

Dimensions ML

31.5 1.24 15 0.59 L 74

2.91

62.2

2.45

36 1.42

90.35

271.

069

0.35

381.

531

.41.

24

3966. 3

22.4

0.88

177.

66.

99

B2B1

A1 A2

P1

T1

P

T

22 0.87 36 1.42

58 2.28

82.8 3.26

24.8 0.98

P

Standard

Dimensions per number of sectionsCode N° of sections L Weight

mm in kg lb

1 1 54 2,1 2,9 6,4

2 2 90 3.5 4,2 9,2

3 3 126 4,9 5.3 11.7

4 4 162 6.3 6,6 14.5

5 5 198 7.8 7.8 17,2

6 6 234 9,2 9 19,9

7 7 270 10,3 10,2 22,6

Dimensions

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ML Characteristic curves

Pressure drops P-T

P T

0 5 10 15 20 25 30 35 40 45[l/min]

0369

1215182124273033[bar]

ML1

ML2

ML3ML4ML5

ML6

ML7TOIL = 50°C

vOIL = 21 mm2/ s

Testing parameters: Spool type 01

Pressure drops P-A

P

A

0 5 10 15 20 25 30 35 40 45[l/min]

0369

1215182124273033[bar]

ML1

ML2

ML3

ML4

ML5

ML6

ML7TOIL = 50°C

vOIL = 21 mm2/ s

Testing parameters: Spool type 01

Pressure drops B1-T

T

B1

0 5 10 15 20 25 30 35 40 45[l/min]

0

3

6

9

12

15

18

21

24[bar]

ML1

ML2

ML3

ML4

ML5

ML6

ML7TOIL = 50°C

vOIL = 21 mm2/ s

Testing parameters: Spool type 01

Characteristic curves

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Characteristic curves MLMetering

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5mm

05

101520253035404550[l/min]

TOIL = 50°C

vOIL = 21 mm2/ s0 bar

50 bar

100 bar

150 bar

Testing parameters: Spool type 01

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ML General options

M Centralised microswitch

103.

34.

07

136.

55.

37

A1

A2

B2

B1

P1

T1

228.8 9.0171

.32.

81

632.

48P

Dual effect microswitch

MICRO CONTACTS

POS.1 POS.0 POS.2

Characteristics of microswitch positioner

Contact rating 16(5)A at 250V A.C 50 Hz 3A at 30V D.C. L/R= 5 ms

Temperature range -20° to 85° C

Expected mechanical life 10 million cycles at 1 Hz

Insulation Up to 100 MΩ

General options

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Type of inlet ML

S Left (standard)

B2B1

A1 A2

P1

T1

P

T

D Right

B1B2

A1A2

P

T

T1

P1

Port A is usually the nearest port to the actuator side.Type of inlet

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ML Thread ports

Thread ports P - P1Code Type Torque

Nm

A 3/8'' GAS ISO 1179 42

B 1/2'' GAS ISO 1179 65

T M16x1.5 ISO 9974 28

C M18x1.5 ISO 9974 42

I M16x1.5 ISO 6149 28

W M18x1.5 ISO 6149 42

P 9/16'' - 18 SAE ISO 11926 28

E 3/4'' - 16 SAE ISO 11926 42

Thread ports A - BCode Type Torque

Nm

A 3/8'' GAS ISO 1179 42

T M16x1.5 ISO 9974 28

C M18x1.5 ISO 9974 42

I M16x1.5 ISO 6149 28

W M18x1.5 ISO 6149 42

E 3/4'' - 16 SAE ISO 11926 42

Thread ports T - T1Code Type Torque

Nm

A 3/8'' GAS ISO 1179 42

B 1/2'' GAS ISO 1179 65

T M16x1.5 ISO 9974 28

C M18x1.5 ISO 9974 42

I M16x1.5 ISO 6149 28

W M18x1.5 ISO 6149 42

P 9/16'' - 18 SAE ISO 11926 28

E 3/4'' - 16 SAE ISO 11926 42

Thread ports

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Actuators MLL Standard kit for lever holder

M 10

M 1

0

45 1.77

14° 14° 82

.83.

26

Z Lever holder with stroke limiter

M 10

M 1

0

69.7 2.74

14° 14°

82.8

3.26

A Without lever holder, standard appendix

31 1.22

150.

59

9 0.35

22.5 0.89

B Without lever holder, without appendix

150.

595.5 0.22

M 8

C Without lever holder, flat appendix

31 1.22

22.5 0.89

8.8

0.35

150.

59

14.5

0.57

90.

35

24.5 0.96

9 Actuator with integrated ball

R6 0.23

43.9 1.73

Actuators

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ML Actuators

T Cable setting

M 1

6x1,

5

24.7

0.97

86.6 3.41

34.4

1.35

V Intentional, vertical

45 1.77

582.

28

247.

69.

75

189.

67.

47

O Intentional, horizontal

107.

24.

22

200.3 7.89

54.5 2.15

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Actuators MLM Joystick

58.2

2.29

62.8

2.47

4.8

0.19

93 3.66

81 3.19 76 2.99

64.4 2.5372.1 2.84

a bP

T

a=Spool 1st section b=Spool 2nd section

G Joystick with spool lock

89.7

3.53

60.

24

a

b

A,B→TBP→

b

a

21

2

1P→B1A1→T

P→B2A2→T

P→A2B2→T

P→A1B1→T

3

b

a

a

Also available in other configurations.

K Hydraulic control

1 0 2

X1

X2

Y1

Y2

582.

28

62.2 2.4593 3.6657 2.24

212.2 8.35

50.6

1.99Y1

X1

X2Y2

P

10 02

0 1 2 3 4 5 6mm

0

5

10

15

20

25P [bar]

TOIL = 50°C

vOIL = 21 mm2/ s

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ML Actuators

M Joystick58

.22.

29

62.8

2.47

4.8

0.19

93 3.66

81 3.19 76 2.99

64.4 2.5372.1 2.84

a bP

T

a=Spool 1st section b=Spool 2nd section

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Spool types ML01 Spool type

1AB

20

TP

Positions3 1 0 2 4

P → B A → T BP

P, T A, B BP →

P → A B → T BP

03 Spool type

1AB

20

TP

Positions3 1 0 2 4

P → B A → T BP

A, B → T P BP →

P → A B → T BP

04 Spool type

0B

1 2A

P T

Positions3 1 0 2 4

A → T P, B BP →

P, T A, B BP →

P → A B, T BP

05 Spool type

1AB

20

TP

Positions3 1 0 2 4

P → B A, T BP

P, T A, B BP →

P, A B → T BP →

07 Spool type

3

P T

0 2B A

1

Positions3 1 0 2 4

A, B → T P BP →

P → B A → T BP

P, T A, B BP →

P → A B → T BP

08 Spool type

1AB

20

TP

Positions3 1 0 2 4

P → B A → T BP

P, B A → T BP →

P → A B → T BP

Spool types

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ML Spool types

10 Spool type

1AB

20

TP

Positions3 1 0 2 4

P → B A → T BP

B → T P, A BP →

P → A B → T BP

70 Spool type

4

P T

0 2B A

1

Positions3 1 0 2 4

P → B A → T BP

P, T A, B BP →

P → A B → T BP

A, B → T P BP →

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Spool control ML0A

0 21

Neutral position in 0

0B0 21

Neutral position in 0, detent in 1

0C0 21

Neutral position in 0, detent in 2

0D

0 21

Detent in 0, 1, 2

0E

0 2

Neutral position in 0

0F

01

Neutral position in 0

0H

0 2

Detent in 2

0L

01

Detent in 1

0Q

1 2

Detent in 1, 2

0R

21

Neutral position in 2

0S

21

Neutral position in 1

CP01 2 4

Neutral position in 0, detent in 2, 3

NS

013 2

Neutral position in 0, detent in 3

NT

01 2 4

Neutral position in 0, detent in 4

PS

13 0 2

Detent in 3, 1, 0, 2

Spool control

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ML Valve type port A - B

VL - Pressure relief valve

68.3

2.69

4.5 0.18 93 3.66 32.5 1.28

P

157.

16.

18

47.3 1.86

177.6 6.99

136.

55.

3720

.60.

81

113.1 4.45 17.2 0.68

A2

A1

B2

B1

VL-B1

VL-B2

VL-A1

VL-A2

P1

T1

B2 A2B1 A1T1

TP

12

0

12

0

01

2

01

2

P1

1

BP

A

2

T

0

ABP

1

T

02

Valve type port A - B

17398SMD004EN00 - 27-08-2019

Lever options MLStraight standard knob

Code Description h [mm] h [in]

A Straight standard knob 109 4,3

B Straight standard knob 134 5.28

C Straight standard knob 184 7,24

D Straight standard knob 214 8,42

E Straight standard knob 254 10

F Straight standard knob 304 11,97

h

Ergonomic leverCode Description h [mm] h [in]

L Straight vertical 180 7.09

O Bent 15° vertical 180 7.09

R Bent 30° vertical 180 7.09

M Straight horizontal 180 7.09

Y Bent 15° horizontal 180 7.09

Q Bent 30° horizontal 180 7.09 h

Lever options

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ML Lever holder position

A Straight

54 2.13 36 1.42 45.7 1.8

82.5

3.25

24.5

0.96

135.7 5.34

P

T

C Rotated 180°

36 1.42 46 1.8154.5 2.15

136.5 5.37

38.5

1.51

582.

28

96.5

3.8 P

T

D Rotated 90° towards T

82 3.2354.5 2.15

151.5 5.96

361.

4222

0.87

82.5

3.25

15 0.59

T

P

Lever holder position

19398SMD004EN00 - 27-08-2019

Options spool control side MLC Stroke limiter

51.5 2.03

42.3

1.66 6

M Male dual control

76 2.99

42.3

1.66

M8

20 0.79

T Cable fitting

126.5 4.98

M16

x1.5

25.5

1

41.4

1.63

Options spool control side

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ML Options spool control sideMicroswitch

71.2 2.8

70 2.76

104.

84.

13 46.8

1.84

Characteristics of microswitch positioner

Contact rating 16(5)A at 250V A.C 50 Hz 3A at 30V D.C. L/R= 5 ms

Temperature range -20° to 85° C

Expected mechanical life 10 million cycles at 1 Hz

Insulation Up to 100 MΩ

Y Dual effect microswitch

MICRO CONTACTS

POS.1 POS.0 POS.2

P Simple effect microswitch port A

MICRO CONTACTS

POS.1 POS.0 POS.2

O Simple effect microswitch port B

MICRO CONTACTS

POS.1 POS.0 POS.2

21398SMD004EN00 - 27-08-2019

C.O. - Carry Over ML

A Carry-over option

T1 A2

A1

P1P

T

B1

B2

T1

20

T

1

P BA

0

T

2

A

P B

1

P1

21

0

21

0

02

1

02

1

P T

A1B1 A2B2

B With carry-over port T1

C.O. A2

A1

P1P

T

B1

B2

B2 A2B1 A1

C.O.P

12

0

12

0

01

2

01

2

P1

1

BP

A

2

T

0

ABP

1

T

02

T

C.O. - Carry Over

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ML Port T4

Port T4

T4 A2

A1

P1P

T

B1

B2

T1

Thread port T4Code Type Torque

Nm

0 Not processed (standard)

L 1/4'' GAS ISO 1179 12

A 3/8'' GAS ISO 1179 42

B 1/2'' GAS ISO 1179 65

T M16x1.5 ISO 9974 28

C M18x1.5 ISO 9974 42

I M16x1.5 ISO 6149 28

W M18x1.5 ISO 6149 42

P 9/16'' - 18 SAE ISO 11926 28

E 3/4'' - 16 SAE ISO 11926 42

Port T4

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Port T4 ML

24 398SMD004EN00 - 27-08-2019

ML Instructions for ordering

ML

1

2

3

4

5

6

7 8

9

10

11

12 13

14

15 16

17 18

19 20

21

22

23

24

25

26

27

28

1

Number of sections Sections1 Sections2

Sections3 Sections4

Sections5 Sections6

Sections7

2

General options NoneN Black paintV

Zinc platingZ Centralised microswitchM

Paint and centr. microswitchO Zinc plating and centr. microswitchY

3

Type of inlet Left (standard)S RightD

4

Thread port P 3/8'' GAS ISO 1179A 1/2'' GAS ISO 1179B

M16x1.5 ISO 9974T M18x1.5 ISO 9974C

M16x1.5 ISO 6149I M18x1.5 ISO 6149W

9/16'' - 18 SAE ISO 11926P 3/4'' - 16 SAE ISO 11926E

5

Thread port P1 3/8'' GAS ISO 1179A 1/2'' GAS ISO 1179B

M16x1.5 ISO 9974T M18x1.5 ISO 9974C

M16x1.5 ISO 6149I M18x1.5 ISO 6149W

9/16'' - 18 SAE ISO 11926P 3/4'' - 16 SAE ISO 11926E

6

Options on port P-P1 P open - P1 open (standard)A P open - P1 pluggedB P plugged - P1 openC

7 8

Maximum pressure relief valve type VMP replacement plug00 60 bar06 70 bar07 80 bar08 90 bar09 100 bar10

110 bar11 120 bar12 130 bar13 140 bar14 150 bar15 160 bar16

170 bar17 180 bar18 190 bar19 200 bar20 210 bar21 220 bar22

230 bar23 240 bar24 250 bar25

9

Sealing type maximum pressure relief valve Grub screwG CapC

SealedP Sealing providedR

NoneN

10

Thread ports A - B 3/8'' GAS ISO 1179A M16x1.5 ISO 9974T

M18x1.5 ISO 9974C M16x1.5 ISO 6149I

M18x1.5 ISO 6149W 3/4'' - 16 SAE ISO 11926E

11

Actuators

Standard kit for lever holderL Lever holder with stroke limiterZ Without lever holder, standard appendixA

Without lever holder, without appendixB

Without lever holder, flat appendixC

Actuator with integrated ball9

Cable settingT Intentional, verticalV Intentional, horizontalO

Hydraulic controlK JoystickM Joystick with spool lockG

12 13

Spool types Spool type01 Spool type03

Spool type04 Spool type05

Spool type07 Spool type08

Spool type10 Spool type70

Instructions for ordering

Repeat for each section of the valve

25398SMD004EN00 - 27-08-2019

Instructions for ordering ML

ML

1

2

3

4

5

6

7 8

9

10

11

12 13

14

15 16

17 18

19 20

21

22

23

24

25

26

27

28

1

Number of sections Sections1 Sections2

Sections3 Sections4

Sections5 Sections6

Sections7

2

General options NoneN Black paintV

Zinc platingZ Centralised microswitchM

Paint and centr. microswitchO Zinc plating and centr. microswitchY

3

Type of inlet Left (standard)S RightD

4

Thread port P 3/8'' GAS ISO 1179A 1/2'' GAS ISO 1179B

M16x1.5 ISO 9974T M18x1.5 ISO 9974C

M16x1.5 ISO 6149I M18x1.5 ISO 6149W

9/16'' - 18 SAE ISO 11926P 3/4'' - 16 SAE ISO 11926E

5

Thread port P1 3/8'' GAS ISO 1179A 1/2'' GAS ISO 1179B

M16x1.5 ISO 9974T M18x1.5 ISO 9974C

M16x1.5 ISO 6149I M18x1.5 ISO 6149W

9/16'' - 18 SAE ISO 11926P 3/4'' - 16 SAE ISO 11926E

6

Options on port P-P1 P open - P1 open (standard)A P open - P1 pluggedB P plugged - P1 openC

7 8

Maximum pressure relief valve type VMP replacement plug00 60 bar06 70 bar07 80 bar08 90 bar09 100 bar10

110 bar11 120 bar12 130 bar13 140 bar14 150 bar15 160 bar16

170 bar17 180 bar18 190 bar19 200 bar20 210 bar21 220 bar22

230 bar23 240 bar24 250 bar25

9

Sealing type maximum pressure relief valve Grub screwG CapC

SealedP Sealing providedR

NoneN

10

Thread ports A - B 3/8'' GAS ISO 1179A M16x1.5 ISO 9974T

M18x1.5 ISO 9974C M16x1.5 ISO 6149I

M18x1.5 ISO 6149W 3/4'' - 16 SAE ISO 11926E

11

Actuators

Standard kit for lever holderL Lever holder with stroke limiterZ Without lever holder, standard appendixA

Without lever holder, without appendixB

Without lever holder, flat appendixC

Actuator with integrated ball9

Cable settingT Intentional, verticalV Intentional, horizontalO

Hydraulic controlK JoystickM Joystick with spool lockG

12 13

Spool types Spool type01 Spool type03

Spool type04 Spool type05

Spool type07 Spool type08

Spool type10 Spool type70

Instructions for ordering

14

Spool options Standard spoolE Standard nickel-plated spoolF

Spool 20-45 l/minA Nickel-plated spool 20-45 l/minB

Spool 8-20 l/minC Nickel-plated spool 8-20 l/minD

15 16

Spool control NoneNN Neutral position in 00A Neutral position in 0, detent in 10B

Neutral position in 0, detent in 20C

Detent in 0, 1, 20D

Neutral position in 00E Neutral position in 00F Detent in 20H Detent in 10L Detent in 1, 20Q

Neutral position in 20R Neutral position in 10S Neutral position in 0, detent in 2, 3CP

Neutral position in 0, detent in 3NS

Neutral position in 0, detent in 4NT

Detent in 3, 1, 0, 2PS...

For selection, see the relevant chapter...

17 18

Valve type port A None00 Processed and pluggedTP VL 60 bar06 VL 70 bar07 VL 80 bar08 VL 90 bar09

VL 100 bar10 VL 110 bar11 VL 120 bar12 VL 130 bar13 VL 140 bar14 VL 150 bar15

VL 160 bar16 VL 170 bar17 VL 180 bar18 VL 190 bar19 VL 200 bar20 VL 210 bar21

VL 220 bar22 VL 230 bar23 VL 240 bar24 VL 250 bar25

19 20

Valve type port B None00 Processed and pluggedTP VL 60 bar06 VL 70 bar07 VL 80 bar08 VL 90 bar09

VL 100 bar10 VL 110 bar11 VL 120 bar12 VL 130 bar13 VL 140 bar14 VL 150 bar15

VL 160 bar16 VL 170 bar17 VL 180 bar18 VL 190 bar19 VL 200 bar20 VL 210 bar21

VL 220 bar22 VL 230 bar23 VL 240 bar24 VL 250 bar25

21

Lever options NoneN Without leverS h 109 mm / 4.3 inA h 134 mm / 5.28 inB

h 184 mm / 7.24 inC h 214 mm / 8.42 inD h 254 mm / 10 inE h 304 mm / 11.97 inF

Straight verticalL Bent 15° verticalO Bent 30° verticalR Straight horizontalM

Bent 15° horizontalY Bent 30° horizontalQ

22

Lever holder position StraightA Rotated 90° towards P (right inlet)B

Rotated 180°C Rotated 90° towards TD

NoneN

23

Options spool control side NoneN Stroke limiterC

Male dual controlM Cable settingT

Dual effect microswitch Y Simple effect microswitch port AP

Simple effect microswitch port BO

24

Thread Port T 3/8'' GAS ISO 1179A 1/2'' GAS ISO 1179B

M16x1.5 ISO 9974T M18x1.5 ISO 9974C

M16x1.5 ISO 6149I M18x1.5 ISO 6149W

9/16'' - 18 SAE ISO 11926P 3/4'' - 16 SAE ISO 11926E

25

Thread Port T1 3/8'' GAS ISO 1179A 1/2'' GAS ISO 1179B

M16x1.5 ISO 9974T M18x1.5 ISO 9974C

M16x1.5 ISO 6149I M18x1.5 ISO 6149W

9/16'' - 18 SAE ISO 11926P 3/4'' - 16 SAE ISO 11926E

26 398SMD004EN00 - 27-08-2019

ML Instructions for ordering

26

Thread Port T4 None (standard)N 1/4” GAS ISO 1179L 3/8'' GAS ISO 1179A

1/2'' GAS ISO 1179B M16x1.5 ISO 9974T M18x1.5 ISO 9974C

M16x1.5 ISO 6149I M18x1.5 ISO 6149W 9/16'' - 18 SAE ISO 11926P

3/4'' - 16 SAE ISO 11926E

27

Options on port T-T1-T4 T - T1 - T4 openA T - T1 open, T4 not processedB T - T1 open, T4 pluggedC

T - T4 open, T1 pluggedD T open, T1 plugged, T4 not processedE

T open, T1 - T4 pluggedF

T plugged, T1-T4 openG T plugged, T1 open, T4 pluggedH

T plugged, T1 open, T4 not processedI

T - T1 plugged, T4 openL

28

C.O. - Carry Over Carry-over optionA With carry-over port T1B