Boss 35501205, Manual, Page: 3 / 20

3
EN
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 by using the address and phone numbers provided on the last page.
1.1 - DESCRIPTION
Device which supplies a preset and constant “downstream” pressure value (P2) (within the intended operating limits) when the
inlet pressure (P1) and/or the flow rate (Q) changes.
It is fitted with:
• a spring to adjust the outlet pressure;
• safety membrane (with some exceptions);
• output pressure test nipple (with some exceptions) to control the outlet pressure (P2). On some models the pressure
test nipple is also present on the input;
Reference standards: EN 88-1 – EN 13611.
1.2 - KEY OF SYMBOLS
ATTENTION: Attention
is drawn to the technical
details intended for
qualified staff.
DANGER: In the event of
inobservance, this may cause damage
to tangible goods, to people and/or pets.
DANGER: In the event
of inobservance, this may
cause damage to tangible
goods.