IM-S24-15 CH Issue 4
2
1.1 Intended use
1. Safety information
Safe operation of these products can only be guaranteed if they are properly
installed, commissioned, used and maintained by qualified personnel (see
Section 1.11) in compliance with the operating instructions. General installation and
safety instructions for pipeline and plant construction, as well as the proper use of
tools and safety equipment must also be complied with.
Safety note - Handling precautions
PTFE
Within its working temperature range PTFE is a completely inert material, but when
heated to its sintering temperature it gives rise to gaseous decomposition products
or fumes which can produce unpleasant effects if inhaled. The inhalation of these
fumes is easily prevented by applying local exhaust ventilation to atmosphere as
near to their source as possible.
Smoking should be prohibited in workshops where PTFE is handled because
tobacco contaminated with PTFE will during burning give rise to polymer fumes. It
is therefore important to avoid contamination of clothing, especially the pockets,
with PTFE and to maintain a reasonable standard or personal cleanliness by washing
hands and removing any PTFE particles lodged under the fingernails.
LAMINATED GASKETS
The metal foil sheet used to reinforce gaskets is very thin and sharp. Care should
be taken when handling to avoid the possibility of cuts or lacerations to fingers
or hands.
Referring to the Installation and Maintenance Instructions, name-plate and Technical
Information Sheet, check that the product is suitable for the intended use / application.
The products listed on pages 3, 4 and 5 comply with the requirements of the European
Pressure Equipment Directive 97/23/EC, carry the mark when so required and fall
within the Pressure Equipment Directive categories stated.
i) The products have been specifically designed for use on steam, air or condensate
which are in Group 2 of the above mentioned Pressure Equipment Directive. It
can also be used on propane or methane gases which are in Group 1 of the above
mentioned Pressure Equipment Directive. The products’ use on other fluids may
be possible but, if this is contemplated, Spirax Sarco should be contacted to
confirm the suitability of the product for the application being considered.
ii) Check material suitability, pressure and temperature and their maximum and
minimum values. If the maximum operating limits of the product are lower than those
of the system in which it is being fitted, or if malfunction of the product
could result in a dangerous overpressure or overtemperature occurrence, ensure
a safety device is included in the system to prevent such over-limit situations.
iii) Determine the correct installation situation and direction of fluid flow.
iv) Spirax Sarco products are not intended to withstand external stresses that may
be induced by any system to which they are fitted. It is the responsibility of the
installer to consider these stresses and take adequate precautions to minimise
them.
v) Remove protection covers from all connections before installation.
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