Installation; Operation - Spirax Sarco 600 Series Installation And Maintenance Instructions Manual

Note: Before actioning any installation observe the 'Safety information' in Section 1.
Referring to the installation and maintenance instructions, name-plate and Technical Information Sheet,
check that the product is suitable for the intended installation:
3.1
Check materials, pressure and temperature and their maximum values. If the maximum operating
limit of the product is lower than that of the system in which it is being fitted, ensure that a safety
device is included in the system to prevent overpressurisation.
3.2
Determine the correct installation situation and the direction of fluid flow.
3.3
Remove protective covers from all connections.
3.4
The trap must be installed with the body upright so that the bucket is rising and falling vertically.
The inlet should be at the bottom with the trap installed below the drain point so that a water seal
can be maintained around the open end of the bucket. When superheat conditions exist the trap
body may need to be primed with water prior to steam being turned on to avoid steam blowing
through the trap.
Inverted bucket steam traps do not permit rapid release of air. On process applications, in particular,
this can lead to slow warm-up times and waterlogging of the steam space. A separate external air
vent is therefore required in parallel to vent air efficiently. Any bypass should be positioned above
the trap. If it is below, and is leaking or left open, the waterseal could be blown away leading to
steam wastage. Where inverted bucket traps are fitted in exposed conditions the possibility of
freezing damage can be reduced by thermal insulation.
3.5
Open the isolation valves slowly until the normal operating conditions are achieved.
3.6
Check for leaks and correct operation.
Note: If the trap is to discharge to atmosphere ensure it is to a safe place, the discharging fluid may be at a
temperature of 100 °C (212 °F).
After installation or maintenance ensure that the system is fully functioning. Carry out tests on any alarms
or protective devices.
Under most conditions the trap will discharge condensate with a 'blast' type action. Under low load and/or
low pressure applications the discharge may tend to 'dribble'.
Condensate is discharged at steam temperature so due care must be given to the site of the discharge.
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3. Installation

4. Commissioning

5. Operation

IIM-P067-06 CMGT Issue 4