Flowserve MK25/2 - Manual (Page 13)

13
Commissioning
Operation
Please note that maintenance is required for certain operation modes (see
Maintenance).
1. Take care of correct position of installation.
2. Observe direction of flow. The flow arrow is on the trap body.
3. Consider space required for opening trap. When the trap is installed a minimum
space of 70 mm (MK 25/2) or 100 mm (MK 25/2 S) is required for removing
cover
B .
4. Remove plastic plugs. They are only used as transit protection.
5. Clean butt-weld ends.
6. To install trap only apply arc welding processes 111 and 141 to DIN EN 24063 or
gas welding process 3 to DIN EN 24063.
Butt-Weld Traps
Attention
■ Only qualified welders certified e. g. according to DIN EN 287 may weld
the steam trap into pressurized lines.
■ Do not insulate steam trap.
A subsequent heat treatment of the welds is not required.
Heat treatment of welds
Make sure that the flanged connections of the MK 25 are permanently bolted and tight.
MK 25...
MK 25...
Installation
– continued –