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Safety valves0 pages
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Table E110-23/E
Safety valves direct, pilot operated and cartridge execution
with inductive position or proximity switches
conforming to Machine Directive 2006/42/CE
DHI-06*/FI
DKE-16*/FV
LIDA-3243*/FV
LIDASH-3243*/FV
LIFI-3242*/NC
DPHI-271*/FV
1
Safety valves are designed to fulfil the
safety criteria imposed to machine manufacturers by the European Machine
Directive. They are CE marked and
certified by TÜV, in accordance with
the technical safety requirements provided in the Machine Directive
2006/42/CE but not included in the
safety components of annex IV.
In addition to the normal hydraulic function they are equipped with inductive or
proximity switches; with the on/off switch
indicates the position of the spool/poppet
of the valve. These valves are normally
used to cut off the hydraulic power line in
case of emergency condition, thus avoiding dangerous movements of the
machines actuators. By checking the
switch status, corresponding to “open” or
“intercepted” hydraulic line, the machine
controller can perform the safety function.
Two versions are available:
- FI inductive proximity switch ቢ;
- FV inductive position switch (double
contacts) ባ;
see section 14 for technical characteristics.
Safety valves are available in direct, piloted and cartridge executions, with same
hydraulic and electric characteristics of
standard products from which they are
derived.
Typical application is on vertical and horizontal presses to shut off the fluid energy
to one or more actuators as a consequence of the opening of the machine
“gate” or as a consequence of an “emergency stop” command.
For details about the applicable EN
standards, see www.atos.com, catalog
on line, section P, table P004.
RANGE OF VALVE’S MODELS
DC solenoids
Valve
code
Size
AC solenoids
Switch type
Description
/FI
/FV
/FI
/FV
•
•
•
DHI-06
06
direct operated solenoid valves, on-off, single solenoid
•
DHI-07
06
direct operated solenoid valves, on-off, double solenoid
•
DHE-06
06
direct operated solenoid valves, on-off, single solenoid
•
•
•
DHE-07
06
direct operated solenoid valves, on-off, double solenoid
•
•
•
DKE-16
10
direct operated solenoid valves, on-off, single solenoid
•
•
•
DKE-17
10
direct operated solenoid valves, on-off, double solenoid
•
•
•
DPH*
10; 16; 25
•
•
piloted operated solenoid valves, on-off, with DHE or DHI pilot
•
•
•
•
•
LIFI
16÷50
intermediate elements with cartridge, to be coupled with a specific cover
LIDA(H)
16÷50
on-off cartridges
•
•
LIDAS(H)
16÷50
on-off active cartridges
•
•
E110
