English - Interpump Group Pralissoli S1520 Mode D'emploi

= ENGLISH =

FLOW RATE
min - max
l/min
40 – 241
g.p.m.
10.6 – 63.7
(USA)
«Translated from original instructions»
THIS DOCUMENT PROVIDES THE INSTRUCTIONS FOR THE
INSTALLATION, USE AND MAINTENANCE OF THE VALVE,
THEREFORE IT IS AN INTEGRAL PART OF THE VALVE
ITSELF AND MUST BE READ CAREFULLY BEFORE ANY
USE AND KEPT WITH CARE.
STRICTLY COMPLY WITH THE INSTRUCTIONS CONTAINED
IN THIS DOCUMENT IN VIEW OF A SAFE AND EFFECTIVE
USE OF THE VALVE.
FAILURE TO COMPLY WITH THESE INSTRUCTIONS MIGHT
CAUSE EARLY FAULTS AND RESULT IN SITUATIONS OF
DANGER, IN ADDITION TO VOIDING ANY WARRANTY.
1- GENERAL INFORMATION
1.1- The S1520 safety valve is a manually-adjustable, pressure-
operated device which, according to its setting, releases the
excess of water when the pressure inside the pump/system
exceeds the adjusted value, thus reducing the pressure. The
normal working conditions can be restored by turning off and
then restarting the system.
The valve has been designed to protect positive-displacement
pumps or components (such as containers and pipes) of high
pressure water hydraulic systems up to category II.
1.2- Since the S1520 valve is used in connection with a high
pressure water pump/system, which shall be called hereafter only
"system", installation and use must be suited to the type of system
used and comply with the safety Regulations in force in the
Country where the valve is used.
1.3- Before installing and using the valve for the first time, we
suggest you check that it is undamaged and make sure that the
rated features correspond to the required ones. If this is not the
case, do not use the valve and contact the after-sales service of
Interpump Group for information.
1.4- Before using the valve, make sure that the system the valve
is used with is certified to comply with the relevant Directives
and/or Regulations.
2- PACKAGE
2.1- Packages must be handled in compliance with the
instructions stated on the packages themselves and/or provided
by the manufacturer.
2.2- In case the valve is not used immediately, it must be stored
in its integral package and placed in areas which are not exposed
to the weather and protected from excessive humidity and from
direct sunlight. Moreover, it is advisable to place wooden pallets
or other types of pallets between the package and the floor, in
order to prevent the direct contact with the ground.
TECHNICAL FEATURES
SETTING PRESSURE
RANGE
– SP –
min – max
48 – 180
480 – 1800
6690 – 26100
MAX WORKING
PRESSURE
– WP –
150
MPa
bar 1500
p.s.i. 21750
2.3- The package components must be disposed of in compliance
with the relevant laws in force.
3- INSTRUCTIONS FOR INSTALLATION:
3.1- The setting pressure (SP) is adjusted and fixed by
sealing by Interpump Group and cannot be changed. The
values of the setting pressure and suggested maximum
working pressure (WP) are stated on the valve.
3.2- The maximum flow rate depends on the setting pressure and
ranges from 40 to 241 l/min. The exact value is stated on the
valve.
3.3- The setting pressure (SP) is the pressure at which the valve
opens, thus determining the maximum pressure value that the
system cannot exceed.
3.4- The installation must be made by qualified and authorized
staff only, who must have the required skills to handle high
pressure systems and be informed of the operating and safety
instructions contained in this document.
3.5- The fastening and sealing system of the S1520 valve is
designed for Interpump Group pumps and/or products.
3.6- The seal of the G1" fitting is made by conical seal
part no. 36274866.
3.7- Before installing the valve, slightly lubricate the G1"1/2 thread
with a grease specific for very high pressures (EP-extreme
pressure) containing Graphite or Molybdenum, then tighten the
fitting by means of a dynamometric wrench 150 Nm.
IMPORTANT: During use, never exceed the
maximum values of pressure, flow-rate and
temperature as stated in this document and/or
indicated on the valve.
IMPORTANT: In order to effectively protect the
system, we suggest that the valve is installed
close to the pump.
absence of any on-off devices.
- -
6
TEMP.
Min
Max
°C °F
MPa
bar
5 – 40 41 – 104
p.s.i.
Also make sure of the
MASS
kg lbs
8 17.7