monoblock directional control valves mdt mdt - directional

1398SMD003EN00 - 27-08-2019

Monoblock directional control valves MDT

MDT - Directional control valve

Before use, carefully read the GENERAL INSTRUCTIONS FOR USE OF DIRECTIONAL CONTROL VALVES Monoblock directional control valvesMDT 398SMD003EN00 -

2 398SMD003EN00 - 27-08-2019

MDT Technical data

Nominal flow 35 l/min 9.2 US gpm

Nominal pressure 250 bar 3625 psi

Nominal inlet flow with electric actuators

20 l/min 5.3 US gpm

Maximum pressure with electric actuators

180 bar 2610 psi

Maximum tank pressure 50 bar 725 psi

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

8 cm³/min 0.49 in³/min

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

2

T

A1B1

20

1

12

0

P

B0

T A1

P

B2 A2 B3 A3 B4 A4

2

T

01

2

2

P

10

A1

0B

2

T

01

2

2

P

10

A1

0B

2

T

01

2

2

P

10

A1

0B

STANDARD version

Section

P

T

Technical data

3398SMD003EN00 - 27-08-2019

Dimensions MDT

702.

76

893.

562

.22.

4522

.40.

88

173.

66.

83

351.

38

36 1.42

90.35

L 10 0.3923 0.91

17.5

0.69

9 0.35

17.5

0.69

P

A2A1

B2B1

T

A3 A4

B3 B4

24.9 0.9824 0.94 36 1.42

84.8 3.34

P

Standard

Dimensions per number of sectionsCode N° of sections L Weight

mm in kg lb

4 4 169 6,6 6.3 13,9

5 5 205 8,1 7.7 16,9

6 6 241 9,5 9,1 20

7 7 277 10,9 10,5 23,1

Dimensions

4 398SMD003EN00 - 27-08-2019

MDT Characteristic curves

Pressure drops P-T

P T

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

0

2

4

6

8

10

12

14

16[bar]

MDT4

MDT5

MDT6

MDT7TOIL = 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]

0

3

6

9

12

15[bar]

MDT4MDT5MDT6MDT7

TOIL = 50°C

vOIL = 21 mm2/ s


Pressure drops B1-T

T

B1

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

0

3

6

9

12

15[bar]

MDT4MDT5MDT6MDT7

TOIL = 50°C

vOIL = 21 mm2/ s


Characteristic curves

5398SMD003EN00 - 27-08-2019

General options MDT

M Centralised microswitch

73.6 2.9

175.

36.

9

199

7.83

P

B2

B1

A2

A1

TT1

B3

B4

A3

A4

70.3

2.77

73.3

2.88

224.8 8.85

T1

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

Dual effect microswitch

MICRO CONTACTS

POS.1 POS.0 POS.2

General options

6 398SMD003EN00 - 27-08-2019

MDT Type of inlet

S Left (standard)

P

A1

B1

T

B2 B3 B4

A2 A3 A4

D Right

P

A2 A1

B2 B1

T

A3A4

B3B4

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

7398SMD003EN00 - 27-08-2019

Thread ports MDT

Thread port PCode Type Torque

Nm

B 1/2'' GAS ISO 1179 70

A 3/8'' GAS ISO 1179 35

T M16x1.5 ISO 9974 24

C M18x1.5 ISO 9974 40

E 3/4'' - 16 SAE ISO 11926 50

P 9/16'' - 18 SAE ISO 11926 21

Thread ports A - BCode Type Torque

Nm

B 1/2'' GAS ISO 1179 70

A 3/8'' GAS ISO 1179 35

T M16x1.5 ISO 9974 24

C M18x1.5 ISO 9974 40

E 3/4'' - 16 SAE ISO 11926 50

P 9/16'' - 18 SAE ISO 11926 21

Thread ports T - T1Code Type Torque

Nm

B 1/2'' GAS ISO 1179 70

A 3/8'' GAS ISO 1179 35

T M16x1.5 ISO 9974 24

C M18x1.5 ISO 9974 40

E 3/4'' - 16 SAE ISO 11926 50

P 9/16'' - 18 SAE ISO 11926 21

Thread ports

8 398SMD003EN00 - 27-08-2019

MDT Actuators

L Standard kit for lever holder

84.8

3.34

45 1.77

M 10 M

10

14° 14°

Z Lever holder with stroke limiter

84.8

3.34

45 1.77

M 10

M 1

0

76.2 3240.

94

14° 14°

60.8

2.39

A Without lever holder, standard appendix

9 0.35

22.5 0.89

150.

59

31 1.22

C Without lever holder, flat appendix

150.

59

31 1.22

8.8

0.35

23 0.91

90.

35

14.5

0.57 22.1 0.87

T Cable setting

M16

x 1

.5

24.7

0.97

36.4

1.43

86.6 3.41

Actuators

9398SMD003EN00 - 27-08-2019

Actuators MDTE Dual effect electric control

P→AP→B

602.

36

75.5 2.9789 3.575.5 2.97

240 9.45

72.5

2.85

BA

T

Type of coil 12V

24V

Resistance at 20°C 4 18 Ω (± 7%)

Absorbed current 3 1,2 A (± 5%)

Power 36 30 W (± 5%)

D Single effect electric control port A side

P→B

602.

36

89 3.575.5 2.97

72.5

2.85

23 0.91

187.5 7.38

BA

T

J Single effect electric control port B side

P→A

602.

36

72.5

2.85

23 0.91 89 3.5 75.5 2.97

218 8.58

BA

T

Performance limits for electric actuator

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

0

50

100

150

200

250[bar]

TOIL = 50°C

vOIL = 21 mm2/ s

10 398SMD003EN00 - 27-08-2019

MDT Actuators

K Hydraulic control

10 02

Y2

Y1

X2

X1

201

54.6

2.15

62.2 2.45 89 3.5 57 2.24

208.2 8.2

602.

36

T

A BY2

X1Y1

X2

0 1 2 3 4 5 6mm

02468

101214161820[bar]

TOIL = 50°C

vOIL = 21 mm2/ s

M Joystick93 3.66

81 3.19

66.4

2.61

602.

366.

40.

25

M10

76 2.99

38 1.538 1.5

19.4 0.76103.6 4.08

baPT

a = Spool 3rd section b = Spool 4th section

M 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.

11398SMD003EN00 - 27-08-2019

Spool types MDT01 Spool type

B1 0 2

A

P T

Positions3 1 0 2 4

P → B A → T BP

P, T A, B BP →

P → A B → T BP

03 Spool type

B1 0 2

A

P T

Positions3 1 0 2 4

P → B A → T BP

A, B → T

BP →

P → A B → T BP

04 Spool type

B1 0 2

A

TP

Positions3 1 0 2 4

A → T B BP →

A, B, T

BP →

P → A B, T BP

05 Spool type

P T

A0

B21

Positions3 1 0 2 4

P → B A, T BP

A, B, T

BP →

A B → T BP →

07 Spool type

B A1 0 2

P T

3

Positions3 1 0 2 4

A, B → T

BP →

P → B A → T BP

A, B, T

BP →

P → A B → T BP

08 Spool type

2B A

P

1 0

T

Positions3 1 0 2 4

P → B A → T BP

B A → T BP →

P → A B → T BP

Spool types

12 398SMD003EN00 - 27-08-2019

MDT Spool types

10 Spool type

0

P

1

T

2AB

Positions3 1 0 2 4

P → B A → T BP

A B → T BP →

P → A B → T BP

28 Spool type

0

P T

2AB

Positions3 1 0 2 4

A, B

BP →

P → A, B

BP

13398SMD003EN00 - 27-08-2019

Spool control MDT0A

0 21

Neutral position in 0

0B0 21

Neutral position in 0, detent in 1

0C0 21


0D

0 21

Detent in 0, 1, 2

0E

0 2


0F

01


0H

0 2

Detent in 2

0L

01

Detent in 1

0Q

1 2

Detent in 1, 2

0R

21


0S

21


NS

013 2


Spool control

14 398SMD003EN00 - 27-08-2019

MDT Lever options

Straight standard knobCode 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

15398SMD003EN00 - 27-08-2019

Lever holder positions MDTA Straight

240.

9460

2.36

843.

31

36 1.42 36 1.42 39 1.54

199 7.83

36 1.4252 2.05

P

T

C Rotated 180°

36 1.4252 2.05

361.

4260

2.36

963.

78

36 1.42 36 1.42 39 1.54

199 7.83

P

T

D Rotated 90° towards T

361.

4224

0.94

602.

36

52 2.05 36 1.42 36 1.42 75 2.95 22 0.87

221 8.7

PT

Lever holder positions

16 398SMD003EN00 - 27-08-2019

MDT Options spool control side

N None

22.4 0.88

C Stroke limiter

51.5 2.03

451.

77

421.

65

Options spool control side

17398SMD003EN00 - 27-08-2019

C.O. - Carry Over MDTC.O. - Carry Over

26.5 1.04

C.O.

C.O.

T1

B0

1

A

01

P

2

2

10

T

2

B0

1

A

01

P

2

2

10

T

2

B0

1

A

01

P

2

2

10

T

2

C.O.

A4B4A3B3A2B2

P

12

AT

0B

P

02

1

10

2

B1 A1

T1

Thread port Carry OverCode Type Torque

Nm

0 Not processed

A 3/8'' GAS ISO 1179 35

C M18x1.5 ISO 9974 40

E 3/4'' - 16 SAE ISO 11926 50

C.O. - Carry Over

18 398SMD003EN00 - 27-08-2019

MDT Instructions for ordering

MDT

1

2

3

4

5 6

7

8

9

10

11 12

13

14 15

16

17

18

19

20

21

22

1

Number of sections Sections4 Sections5 Sections6 Sections7

2

General options NoneN Black paintV

Zinc platingZ Centralised microswitchM

Painted 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

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

5 6

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


230 bar23 240 bar24 250 bar25

7

Sealing type maximum pressure relief valve Grub screwG CapC

SealedP Sealing providedR

NoneN

8

Thread ports A - B 1/2'' GAS ISO 1179B 3/8'' GAS ISO 1179A

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

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

9

Type of section Tandem (standard)T

10

Actuators

NoneN Standard kit for lever holderL Without lever holder, standard appendixA

Without lever holder, flat appendixC

Lever holder with stroke limiterZ Cable settingT

Dual effect electric controlE Single effect electric control port A sideD

Single effect electric control port B sideJ

Hydraulic controlK JoystickM Joystick with spool lockG

11 12

Spool types Spool type01 Spool type03

Spool type04 Spool type05



13

Spool options Standard spool with negative coatingA Nickel-plated spool with

negative coatingB Standard spool with positive coatingC Nickel-plated spool with

positive coatingD

Instructions for ordering

Repeat for each section of the valve

19398SMD003EN00 - 27-08-2019

Instructions for ordering MDT

MDT

1

2

3

4

5 6

7

8

9

10

11 12

13

14 15

16

17

18

19

20

21

22

1

Number of sections Sections4 Sections5 Sections6 Sections7

2

General options NoneN Black paintV

Zinc platingZ Centralised microswitchM

Painted 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

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

5 6

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



230 bar23 240 bar24 250 bar25

7

Sealing type maximum pressure relief valve Grub screwG CapC

SealedP Sealing providedR

NoneN

8

Thread ports A - B 1/2'' GAS ISO 1179B 3/8'' GAS ISO 1179A

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

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

9

Type of section Tandem (standard)T

10

Actuators

NoneN Standard kit for lever holderL Without lever holder, standard appendixA

Without lever holder, flat appendixC

Lever holder with stroke limiterZ Cable settingT

Dual effect electric controlE Single effect electric control port A sideD

Single effect electric control port B sideJ

Hydraulic controlK JoystickM Joystick with spool lockG

11 12

Spool types Spool type01 Spool type03




13

Spool options Standard spool with negative coatingA Nickel-plated spool with

negative coatingB Standard spool with positive coatingC Nickel-plated spool with

positive coatingD

Instructions for ordering

14 15

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 3NS

... For selection, see the relevant chapter...

16

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

17

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

Rotated 180°C Rotated 90° towards TD

NoneN

18

Options spool control side NoneN Stroke limiterC

19

Voltage and connector NoneN 12V DIN 43650A

24V DIN 43650B 12V DEUTSCH DT04-2PG

24V DEUTSCH DT04-2PH

20

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

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

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

21

Thread port Carry Over Not processed0 3/8'' GAS ISO 1179A M18x1.5 ISO 9974C 3/4'' - 16 SAE ISO 11926E

22

Options on port T - C.O. T open - C.O. not processed (standard)A T1 open - C.O. openB T1 open - C.O. pluggedC T1 open - T set up for C.O.D

monoblock directional control valves mdt mdt - directional

Documents