Flowserve AK 45 Manual de usuario descargar pdf (Pagina 11)

Installation – continued –

Steam trap with socket-weld ends

1. Observe position of installation.

2. Observe ﬂow direction. The ﬂow direction arrow is located on the valve body.

3. Leave at least

40 mm free space around the equipment for subsequent disassembly of the

cover E.

4. Remove plastic plugs. They are

only used for transit protection.

5. Remove regulator as described in section

Maintenance.

6. Clean socket-weld ends.

7. Apply

only electric arc welding process (welding process 111 and 141 in accordance with

ISO 4063).

Steam trap with butt-weld ends

1. Observe position of installation.

2. Observe ﬂow direction. The ﬂow direction arrow is located on the valve body.

3. Leave at least

40 mm free space around the equipment for subsequent disassembly of the

cover E.

4. Remove plastic plugs. They are

only used for transit protection.

5. Remove regulator as described in section

Maintenance.

6. Clean butt-weld ends.

7. Apply electric arc welding process (welding process 111 and 141 in accordance with

ISO 4063) or gas welding (welding process 3 in accordance to ISO 4063).

Attention

■ Only qualiﬁed welders certiﬁed e. g. according to EN 287-1 may weld the valve into

pressurized lines.

■ The valve must not be insulated.

Heat treatment of welds

A subsequent heat treatment of the welds is not required.

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Flowserve AK 45 Manual de usuario Pagina 11