Hydronit Catalogue

PPC 2017/1-D130

www.hydronit.com +39 03621841210

SECTION D

MDV - DIRECT OPERATED TWO-WAY DOUBLE LOCKING SOLENOID VALVES

94

Hex. 24

Reversible flow (optional)

2

59

1

Ø 33

27

62

Emergency override (push)

3/4-16 UNF-2A

Spare part code

Assembly code

2

MDV30E

Ex: D12DC D (MDV30E) Voltage M (MDV31E) Voltage

MDV

Two-way double blocking solenoid valve Operation:

1

2

30

MDV31E

30 = normally closed 31 = normally open Option: E = emergency (std) Supply voltage: 0000 = no coil (std) see coils table

Mounting cavities

1

E

Main features

0 1 2 5 6 7 8 3 4

Max pressure

up to 250 bar

0000

Max flow

up to 40 l/min

Weight

0,11 Kg (without coil)

Note: cavities 3, 4 and 6 are present on central manifold type UB only.

Internal leakage

5 drops/min at 350bar 30ms (energizing) 50ms (de-energizing)

Response time

Pressure drop diagram

12VDC 24VDC 24VAC 110RAC 220RAC

Available voltage

10 5 15 20

P [bar]

M130 series M630 series M631 series

Coils (see page D180)

EN50081-1/EN50082-2 (89/336 CEE electromagnetic comp.) 73/23/CEE / 96/68/CEE (low voltage)

1 2

Normatives

0

5

10

15

Flow [l / min]

Recommended tightening torque: 25 Nm Recommended filtration: 25 ÷ 50 µ Oil temperature: -30 ÷ + 80 °C

Note: Values measured on valve alone (no cavity) with an oil viscosity of 46 cSt at 50 °C. Pressure drop may change depending on fluid viscosity and temperature