IM-P017-03 ST Issue 5
2
1. General safety information
Safe operation of the unit can only be guaranteed if it is properly installed,
commissioned and maintained by a qualified person (see Section 11 of the attached
Supplementary Safety Information) 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.
Isolation
Consider whether closing isolating valves will put any other part of the system or
personnel at risk. Dangers might include; isolation of vents and protective devices or
alarms. Ensure isolation valves are turned off in a gradual way to avoid system shocks.
Pressure
Before attempting any maintenance consider what is or may have been in the pipeline.
Ensure that any pressure is isolated and safely vented to atmospheric pressure before
attempting to maintain the product, this is easily achieved by fitting Spirax Sarco
depressurisation valves type DV (see separate literature for details). Do not assume
that the system is depressurised even when a pressure gauge indicates zero.
Temperature
Allow time for temperature to normalise after isolation to avoid the danger of burns and
consider whether protective clothing (including safety glasses) is required.
Viton 'O' ring:
If the Viton 'O' ring has been subjected to a temperature approaching 315°C (599°F) or
higher, it may have decomposed and formed hydrofluoric acid. Avoid skin contact and
inhalation of any fumes as the acid will cause deep skin burns and damage the respiratory
system.
Disposal
The product is recyclable. No ecological hazard is anticipated with the disposal of this
product providing due care is taken, EXCEPT:
Viton:
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Waste parts can be landfilled, when in compliance with National and Local regulations.
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Waste parts can be incinerated, but a scrubber must be used to remove Hydrogen
Fluoride, which is evolved from the product and with compliance to National and
Local regulations.
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Is insoluble in aquatic media.
