Operating instructions
IM-P623-04 ST Issue 5
8
3. Installation
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 correct direction of fluid flow.
3.3 Remove protective covers from all connections and protective film from all name-plates,
where appropriate, before installation on steam or other high temperature applications.
3.4 Install the steam trapping station downstream of the equipment to be drained,
ensuring
that it is easily accessible for inspection and maintenance.
3.5 The steam trap may be installed in any position, except where discharge is flowing
vertically upwards. Optimum performance will be achieved if installed horizontally.
3.6 Before installing the trap, ensure all connecting pipework is clean and free of debris.
3.7 Mount the steam trap with the arrow on the body pointing in the direction of the flow
of the liquid.
3.8 The steam trap can be welded onto the pipework without removing the internal
components. If there is any possibility of the line freezing, the axis of the bonnets should be
installed horizontally. For socket welded traps, observe qualified welding procedures. It is
not necessary to remove the trap internals when welding, but avoid excessive heat.
3.9 The steam trap is factory set at 45°C below steam stauration temperature.
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).
Drain
connection
Gate valve
HP series trap
Test valve
Gate valve
(Downstream valve)
Fig. 2 Recommended installation - Note: pipework to fall in the direction of flow.
0.61 metres
(24")
1 metre minimum
(3 ft)