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Hägglunds VFWCB 600 Includes valves for ATEX environment

Valid for: Hägglunds motor CA, CB, CBM.
Maximum flow 1000 l/min.
Nominal flow 600 l/min.
For closed and open loop hydraulic system.
Availability:
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  • Compact and robust design

  • Multifunctional

  • Mounted directly on Hägglunds motors

  • Detent function on pilot valve

  • Possible for remote control


ln order to identify Hägglunds equipment exactly, the following ordering code is used. These ordering codes should be stated in full in all correspondence e.g. when ordering spare parts.

01

02

03

04

05

06

07

08

09

10

VFWC

B

600








01

Freewheeling valve

VFWC

02

Version

B

Nominal flow

03

600 l/min

600

Operation

04

Electrical operated

E

Hydraulic actuated

H

Manual operated

M

Electric data voltage

05

No

0

12 VDC (only standard design)

1

24 VDC

2

100 VAC (only standard design)

3

230 VAC (only standard design)

4

Pilot pressure supply

06

Internal pilot

U

External Pilot

Q

Main spool

07

Spring return to drive position

6

Spring return to freewheel position
Note! See warning sign below!

7

Explosive environment

08

Non explosive environment

0

Explosive environment

3)

1

Modification

1)

09


0 ... 9

Design

10

Standard

00

Pilot valve with junction box (only 24 VDC)

01

Pilot valve ATEX class (EEx) (only 24 VDC)

02

Hydraulic operated pilot control valve. Internal pilot valve supply. Main spool spring return to free-wheel position.

2)

03

Other special index

1)

04 ... 99

1) To be filled in by Bosch Rexroth DC-IA/EHD
2) Only valid for VFWCB 600 H 0 U 6 0 0, VFWCB 600 H 0 U 7 0 0, VFWCB 600 H 0 U 6 1 0 and VFWCB 600 H 0 U 7 1 0
3) Only valid for attribute 05 code 2 and attribute 10 code 00 and 03

Load drop

Danger to life or risk of injury, damage to equipment!

  • Valve version VFWCB 600 XXX7, spring return to freewheel position, is not allowed to be used in suspended load application


General data

Mechanical specification

Maximum operating pressure

bar

350

Pilot pressure (to shift main spool)

bar

\u200b7 ... 350

Drain pressure (to retract piston assemblies)
(the motor case drain must go via a pressure relief valve to tank)

bar

1 ... 1.5

Maximum flow

l/min

1000

Nominal flow (see section "Pressure loss diagram")

l/min

600

Hydraulic fluid (refer to data sheet RE 15414 Hydraulic fluid quick reference)

Fluid temperature range

°C

-25 \u2026 +70

Viscosity range

mm²/s

20 \u2026 380

Recommended operating viscosity

mm²/s

40

Pilot valve interface


CETOP 03

Weight

Free-wheeling valve typical VFWCB 600

kg

40

Pilot valve: Connectors EN 175301-803 / Sea water protected

Supply voltage

VDC

24

Solenoid power

W

30

Solenoid current

A

1.25

Solenoid protection class (EN 175301-803)


IP65

Solenoid protection class


IP65 (sea water protective)

Cable area

min.

mm²

1

Cable size

Ø

mm

10 ... 14

Connection

Pin 1

VDC

24

Pin 2

VDC

0

Explosion protection information, hydraulic operated VFWCB 600

Area of application according to ATEX directive 2014/34/EU


IM2, II2G, II2D, II3G, II3D

Protection of the valve by liquid immersion according to


k (EN 13463-8)

Constructional safety according to


c (EN 13463-5)

Maximum surface temperature

°C

+ 100

Temperature class


T4

Conforms to \u201cEquipment and components intended for use in potentially explosive atmospheres and in underground mines\u201d


EN 1710

ATEX Classification of valve


II 2 G D c k T4 / I M2 c k T4

Ambient temperature range

°C

-25 \u2026 +50

Explosion proof information, pilot valve electrical operated

Electrical operated / data

Voltage

VDC

24

Voltage tolerance

%

± 10

Nominal power at ambient temperature +20 ºC

W

17

Maximum power with 1.1 x nominal voltage and an ambient temperature of 20 °C

W

20.6

Protection class


IP66

Explosion protection information

Area of application according to directive 2014/34/EU


II 2G

Type of protection valve


c (EN 13463-5)

Maximum surface temperature

°C

+ 135

Temperature class


T4

Type of protection valve solenoid according to EN 60079-7 / EN 60079-18


Ex eb mb IIC T4 Gb

Type examination certificate solenoid


KEMA 02ATEX2240 X

IECEx Certificate of Conformity solenoid


IECEx DEK 12.0068X

Ambient temperature range

°C

-20 \u2026 +70

Pressure loss diagram

Pressure loss diagram - P to Am, Cm to C
Viscosity 40 mm2/s

Pressure loss diagram - Pressure drop Am, Cm to T for flow taking the motor from drive to free-wheel
Viscosity 40 mm2/s


VFWCB 600 E

Dimensions in mm

VFWCB 600 H, VFWCB 600 H Ex

Dimensions in mm

VFWCB 600 M

Dimensions in mm

VFWCB 600 E EEX

Dimensions in mm

VFWCB 600 E, Sea water protected pilot valve

Dimensions in mm

VFWCB 600 H, special index 03

Dimensions in mm


Warning signs

In this manual you will find the following signs which indicate a potential hazard, which can or will cause personal injury or substantial property damage. Depending on the probability if the hazard, and how serious the injury or property damage could be, there are three levels if classification.

Warning sign (warning triangle)

Draws attention to the hazard

Signal word

Identifies the degree of hazard

Type of risk

Specifies the type or source of the hazard

Consequences

Describes the consequences of non-compliance

Precautions

Specifies how the hazard can be prevented

The signal words have the following meaning:

Warning sign, signal word

Meaning

 

Indicates a dangerous situation which will cause death or severe personal injuries if not avoided.

 

Indicates a dangerous situation which may cause death or severe personal injuries if not avoided.

 

Indicates a dangerous situation which may cause minor or medium personal injuries if not avoided.

 

Material damage: the product or its environment could be damaged.

General safety instructions

 

Danger from excessively high pressure!

Danger to life or risk of injury, damage to equipment!

Using the valve above the permissible maximum pressure can cause valve burst and hydraulic fluid to escape under high pressure.

  • Use the valve within the permissible maximum pressure.

 

Pressurized valve

Danger to life risk of injuries when working on valve in system not being depressurized.

  • Protect the system against being energized.

  • Make sure that the system is depressurized.

  • Do not disconnect any line connection, ports and components when the system is pressurized.

 

Safety instructions for ATEX environment

Unsafe work on the valve

Danger to life or risk of injury, damage to equipment!

  • Before carrying any work on the valve, firstly make sure that a potentially explosive atmosphere cannot occur during the period of the work.

Escaping oil mist!

Risk of explosion, fire health hazard, environmental pollution.

  • Depressurize the system including valve and repair the leak.

  • Keep open flames an ignition sources from the Hägglunds valve.

Static discharge

Cleaning the valve with a dry rug may lead to explosions through electrostatic discharge that may cause severe injuries and even death.

  • Do not use a dry rug for cleaning.

Lack of grounding

Risk of explosion that may cause severe injuries and even death.

  • The valve must always be fitted to the motor or via adapter fitted to the motor. The valve must be electrically conductive and equipotential bonded with the motor which must be grounded to the system.

  • The valve are not allowed to be fitted to any separate bracket without grounding of the valve.

Painting

Risk of explosion that may cause severe injuries and even death.

  • The valve must not be painted or otherwise coated with non-conductive substances!

  • Any change at the surface protection will lead to loss of explosion protection!


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