1
SYMBOL CONVENTIONS
FS900
Table
FS900-0/E
This document is intended for machine manufacturers, assemblers and system end-users.
Operating and maintenance information for proportional valves
directional, flow, pressure controls
safety valves conforming to Machine Directive 2006/42/EC
2
GENERAL NOTES
This operating and maintenance information applies to Atos proportional directional, flow, pressure control valves and safety proportional valves.
It is intended to provide useful guidelines to avoid risks when the valves are installed in the hydraulic system.
It contains important information on the safe and proper installation, commissioning, operation transport and maintenance of the products.
The prescriptions included in this document must be strictly observed to avoid damages and injury.
The respect of this operating and maintenance information grants an increased working life, trouble-free operation and thus reduced repairing costs.
WARNING
Death or serious injury could occur
risk classes to
ANSI Z535.6 / ISO 3864
CAUTION
Minor or moderate injury could occur
NOTICE
Property damage could occur
Notes relevant to safety proportional valves
Information to be observed
WARNING
Personal injury and property damage may be caused by incorrect use of the products!
The products have been designed for use in industrial environments and may only be used in the appropriate way.
Following symbols are used in this documentation to evidence particular risks to be carefully avoided.
In the following are listed the symbol conventions with their meaning, in case of non-compliance with this operating and maintenance information.
Before using Atos proportional valves, the following requisites must be met to ensure appropriate use of the products:
• personnel who uses Atos proportional valves must first read and understand the operating and maintenance information,
particularly the Safety Notes in section
.
• the products must remain in their original state, no modifications are permitted
• it is not permitted to decompile software products or alter source codes
• damaged or faulty valves must not be installed or put into operation
• make sure that the products have been installed as described in section
and
5
6
7
2.1 Warranty
The expiration of warranty results from the following operations:
• incorrect assembly and commissioning
• improper handling and storage, see 9.4
• improper use, see 5.2
• modification of the original condition
3
CERTIFICATION
Atos range of proportional directional valves, provides functional safety options
/U
and
/K
.
They are designed to accomplish a safety function, intended to reduce the risk in process control systems.
The valves are
TÜV certified
in compliance with
IEC 61508 up to SIL 3 and ISO 13849 up to category 4, PL e
