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Maintenance – Flowserve DK 45 User Manual

Page 12

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. Observe the danger note on page 4!
. Undo the body screws

A

and take the cover

C

off the body

G

.

. Unscrew the regulator

D

and insert a new regulator.

4. Clean body, internals and all gasket surfaces.
5. Apply heat-resistant lubricant to all threads and seating surfaces of the nozzle insert and the cover

(e. g. WINIX

®

50).

6. Screw in regulator and tighten with a torque of

90 Nm.

7. Replace gasket

F

if there are visual signs of damage. Use the same cover

C

. Always replace

gasket

F

when using a new cover

C

or the cover or another steam trap.

8. Put cover onto the trap body. Tighten body screws

A

alternately and in several steps to a torque

of

25 Nm.

Maintenance

The GESTRA steam trap DK 45 does not require any special maintenance.

However, if used in new installations which have not been rinsed it may be necessary to check and

clean the trap.

Cleaning / replacing the regulator und the nozzle insert

Checking steam trap

You can check the steam trap DK 45 for loss of live steam during operation using the ultrasonic

measuring unit VAPOPHONE

®

or the test unit TRAPtest

®

.

The points of reference for the sensor are located on the name plate,

Fig. 2

Should you detect any loss of live steam clean the trap and/or replace the regulator.

WINIX

®

50 is a registered trademark of WINIX GmbH, Norderstedt