1
SYMBOL CONVENTIONS
E900
Table
E900-0/E
This document is relevant to the installation, use and maintenance of on-off directional, flow and pressure control valves.
It is intended for machine manufacturers, assemblers and system end-users.
Operating and maintenance information for on-off valves
directional, flow, and pressure controls
safety valves with spool position monitor, conforming to Machine Directive 2006/42/EC
2
GENERAL NOTES
2.1 Warranty
The expiration of warranty results from the following operations:
• incorrect assembly and commissioning
• improper handling and storage, see 6.4
• improper use, see 5.2
• modification of the original condition
This operating and maintenance information applies to Atos on-off directional, flow, pressure control valves and safety valves with spool position monitor.
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
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 valves, the following requirements must be met to ensure the appropriate use of the products:
• personnel who uses Atos 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
• damaged or faulty valves must not be installed or put into operation
• make sure that the products have been installed as described in section
5
6
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 valves
Information to be observed
3
CERTIFICATION
Atos safety valves with spool / poppet position monitor are designed to accomplish a safety function intented to
reduce the risk in process control systems.
The valves are
TÜV certified
in compliance with Machine Directive 2006/42/EC Annex IX – EC type-examination certificate
for safety components (ref. Annex IV – 21) Norms EN ISO13849-1 and EN ISO13849-2
They can be used in applications up to Category 1, PL c in high demand mode.
The spool / poppet position monitor is factory set in conformity to the relevant norms, and their regulation is properly sealed.
Any tampering of the sealing invalidates the certification
