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3- WARNINGS
3.1- The installer must provide the ultimate consumer
with the proper instructions for the correct use of the
system the valve will be used in connection with.
3.2- The fittings used to connect the valve to the system
must be suited to the valve performance features.
3.3- Use soft and filtered water only. In case of salt
water and/or of water containing solid particles of a size
exceeding 20µm, the internal components of the valve
will be subject to quick wear; furthermore, this might
compromise the correct functioning of the valve.
Addition agents can be used in the water, provided that
they are delicate, biodegradable and always complying
with the Regulations in force in the Country where the
valve is used.
3.4- In the systems for hot water production,
the temperature of the liquid that comes into
contact with the valve must always be lower
than the value stated in this instruction
manual and indicated on the valve itself.
Avoid
the
overheated water.
IMPORTANT: When the temperature of the
liquid is close to the maximum value, the
outside temperature of the valve body is only
slightly inferior. Therefore, take care in case
of contact with the hot surfaces.
3.5- Before operating the system, it is advisable to start
it for a preliminary test run in order to check that the
system is properly installed.
3.6- IMPORTANT: Do not obstruct the
outlet port for any reason. To convey the
water, use a flexible hose fitted on the
hose holder and locked by means of a
clamp. Always release in the atmosphere.
Failure to comply with these instructions
will result in a reduced safety of the
system.
3.7- In order to optimize the pump-valve coupling, it is
necessary to keep the valve operation range, as a
function of the pump pressure and flow rate, within a
maximum power of 60 kW (81.5 HP). As shown in the
chart, this means using pumps producing a flow rate of
approx. 23l/min. for maximum working pressures of 150
MPa (1500 bar-21755 psi), and generating a pressure
of approx. 105.0 MPa (1050 bar-15225 psi) for
maximum flow rates of 30 l/min.
formation
of
steam
3.8- Should the relief valve open, turn off the system
and find out what is the cause of the pressure increase.
4- MAINTENANCE
4.1- Any maintenance and/or repair must be carried out
by Interpump Group only.
4.2- We suggest you check, at least every 2
years or after reaching 500 working hours
of the system, that the valve opens
correctly
correspondence with the setting pressure.
4.3- The valve is entirely made of non-toxic and safe
materials; however, in case of disposal, we suggest you
do not disperse it in the environment but take it to an
authorized disposal centre or contact the nearest
INTERPUMP GROUP Authorized Service Centre.
IMPORTANT: The valve shall not be
tampered with for any reason and/or used
for any purpose other than the use it has
been designed for. In case of tampering,
the
responsibility as to the valve functioning
and safety.
or
5- WARRANTY CONDITIONS
5.1- The period and conditions of warranty are specified
in the purchase contract.
5.2- Warranty is voided in case the valve is used for
improper purposes, used at higher performances than
the rated ones, repaired with non-original spare parts or
if it turns out to be damaged due to the non-compliance
with the operating instructions or to unauthorized
tampering.
Copyright
The content of these operating instructions is property of Interpump
Group.
The instructions contain technical descriptions and illustrations that
cannot be copied and/or reproduced, entirely or in part, nor distributed to
third parties in any form and without in any case authorized written
consent of the owner.
Offenders will be prosecuted according to the laws in force and proper
legal actions will be instituted against them.
The information contained in this document may be modified without notice.
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