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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/maintenance needs to be carried out by qualified staff (as explained in
section 1.3) by using suitable personal protective equipment (PPE).
For any information pertaining to installation/maintenance or in case of problems that cannot be solved with the instructions,
contact the manufacturer at the address and phone numbers provided on the last page.
1.1 - DESCRIPTION
The function of the minimum pressure shut off valves (UPSO) is to shut off gas flow upstream in order to make the entire
system safe.
The valve is closed automatically when the adjustment pressure accidentally drops below the block calibration pressure.
The valve can only be opened manually and this must only be after the problem that caused the closure is found and eliminated.
1.2 - KEY TO SYMBOLS
DANGER: In the event
of inobservance, this may
cause damage to tangible
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. calibration springs, etc.) ONLY manufacturer-recommended spare parts
must be used. Using different parts not only voids the product warranty, it could compromise correct device operation.
• 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 stated.
• 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 that 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 - 7|7.3 - REV. 0 of 1
DANGER:
In
inobservance,
this
damage to tangible goods, to people
and/or pets.
9
Apr 2019
st
the
event
of
may
cause
ATTENTION: Attention
is drawn to the technical
details
intended
for
qualified staff.
MVB/1 MIN
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