Flowserve DK 45 - Manual (Page 11)


Installation
– continued –
Steam trap with socket-weld ends
. Observe correct position of installation.
. Observe direction of flow. The flow arrow is on the trap body.
. Consider space required for opening trap. When the trap is installed a minimum space of at
least 70 mm is required for removing the cover C .
4. Remove plastic plug. They are only used as transit protection.
5. Remove regulator as described in section
Maintenance.
6. Clean socket-weld ends.
7. Apply
only electric arc welding process (welding process  and 4 in accordance with
ISO 406).
Attention
■
Only qualified welders certified e. g. according to EN 87- may weld the steam
trap into pressurized lines.
■
The steam trap must not be insulated.
Heat treatment of welds
A subsequent heat treatment of the welds is not required.
Steam trap with butt-weld ends
. Observe correct position of installation.
. Observe direction of flow. The flow arrow is on the trap body.
. Consider space required for opening trap. When the trap is installed a minimum space of at
least 70 mm is required for removing the cover C .
4. Remove plastic plug. They are only used as transit protection.
5. Remove regulator as described in section
Maintenance.
6. Clean butt-weld ends.
7. Apply electric arc welding process (welding process  and 4 in accordance with
ISO 406) or gas welding (welding process  in accordance to ISO 406).
Commissioning
Make sure that the flanged connections of the DK 45 are tightly bolted together and leakproof.
Operation
Certain operating modes of the DK 45 may require servicing. For more information see section
Maintenance.