Norgren VS18 Series Valve Advantage - Manual (Page 90)

VS18/VS26 MAINTENANCE & INSTRUCTION BOOKLET
10 U
SE IN AREAS WITH POTENTIALLY EXPLOSIVE ATMOSPHERE
(94/9/EC „ATEX“) – O PERATING MANUAL AND DECLARATION
OF CONFORMITY
The information in this section is valid for all ATEX valve islands and overrides any conflicting
information in other sections.
10.1 I NTENDED USAGE
Please review all ATEX data and notes in this maintenance and instruction booklet to eliminate
any risks which would jeopardize the safe function of the valve island. Any use beyond the
permissible limits, or the failure to comply with the instructions of this booklet, will cause the
user to be liable for damages. In case of non-permissible intrusions or modifications of the valve
island, as well as failing to comply with the instructions of this booklet, the claim for guarantee
expires and our liability is excluded. The valve island must be used only with non-combustible
mediums which do not corrode, chemically or mechanically, the materials used. Use only
mediums approved by Norgren.
10.2 O
PERATING
M
ANUAL
ATEX
10.2.1 General conditions
• VS18/VS26 valve islands mentioned in this manual must be used with permissible valves,
plates and accessories from Norgren. In case of use with products of other manufacturers,
Norgren assumes no liability. Moreover the EX approval as well as the claim of guarantee
expires for items of equipment and accessories.
• The ATEX approval applies exclusive to the valve island with the original configuration
shipped by Norgren.
• The valve island must be used with the original configuration only. If a modification of the
configuration is needed, it must be taken by Norgren or by a body notified by Norgren only
whereas the part number of the valve island will change.
• To achieve ATEX conformity, ATEX approved plugs and cables must be used. Please refer
to section 10.3.3 for requirements.
• Please consider the information of this operating manual as well as the use conditions and
permissible data, which are on the product labels.
• Before installation, the specifications of the device identification are to be compared with the
intended operating conditions to ensure proper usage.
• Take measures to avoid unintentional or improper activation.
• Prior to the first electrical operation, ensure no danger would result from the medium
exhausting from any open ports.
• Consider in case of pressurised systems that lines, valves and other components should not
be removed.
• ATTENTION: There is some risk of injury! The surface of pilot valves could become very
warm in continuous operation.
• Leak and strength tests on open and closed valves are admissible until max. 1.5 times the
max. operating pressure. It is not allowed to operate the valve during these tests.
• Do not use inlet air of an area with potentially explosive atmosphere.
• Never use the valve island as lever arm or a step for climbing.
VS2672926-KG00E_05/07 Page 90/97