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1.0 - GENERAL INFORMATION
This manual shows you how to safely install, operate and use the device.
The instructions for use ALWAYS need to be available in the facility where the device is installed.
ATTENTION: installation/wiring/maintenance need to be carried out by qualified staff (as explained
in section 1.3) using appropriate personal protective equipment (PPE).
For any information pertaining to installation/wiring/maintenance or in any case problems that cannot be solved with the
instructions, contact the manufacturer by using the address and phone numbers provided on the last page.
1.1 - DESCRIPTION
Normally closed automatic gas shut-off solenoid valve, which open when the actuator is electrically powered and close when
the power is cut off. They can be controlled by pressure switches, thermostats, etc. and are intended for industrial use in
industrial sites.
Built-in flow regulator with the option of adjustment the opening speed (EVPR/NC versions).
They can be equipped with CPI switches to control the valve's obturator position (closed) remotely. Further information regarding
the CPI switch is available in 6.0.
Reference standards: EN 161 - EN 13611.
1.2 - KEY TO SYMBOLS
DANGER: Failure to
observe this may cause
damage
to
goods.
1.3 - QUALIFIED STAFF
These are people who:
• Are familiar with product installation, assembly, start-up and maintenance;
• Know the regulations in force in the region or country pertaining to installation and safety;
• Have first-aid training.
1.4 - USING NON-ORIGINAL SPARE PARTS
• To perform maintenance or change parts (e.g. actuator, connector, etc.) ONLY manufacturer-recommended spare parts
can be used. Using different parts not only voids the product warranty, it could affect the correct operation of the device.
• The manufacturer is not liable for malfunctions caused by unauthorised tampering or use of non-original spare parts.
1.5 - IMPROPER USE
• The product must only be used for the purpose it was built for.
• It is not allowed to use fluids other than those expressly specified.
• The technical data set forth on the rating plate must not, under any circumstances, be exceeded. The end user or installer
is in charge of implementing proper systems to protect the device, which ensure the maximum pressure indicated on the
rating plate is not exceeded.
• The manufacturer is not responsible for any damage caused by improper use of the device.
Madas Technical Manual - 1|1.2e - REV. 0 of 10
DANGER: Failure to observe this may
cause damage to tangible goods, to
tangible
people and/or pets.
May 2018
th
9
ATTENTION: Attention
is drawn to the technical
details
intended
for
qualified staff.
EVPF/NC - EVPR/NC
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