Flowserve UNA 23 - Manual (Page 14)

14
WINIX ® 2150 is a registered trademark of WINIX GmbH, Norderstedt
Operation
1. Take heed of the note “Danger” on page 4.
2. Attach handle to float-lifting lever I, Fig. 2.
3. Turn float-lifting lever I according to the direction arrow on the cover J / V.
4. Turn float-lifting lever I in the opposite direction of the arrow to close the valve and remove the
handle.
Float lifting lever
1. Take heed of the note “Danger” on page 4.
2. Undo the body screws A or hexagon nuts P. Remove cover J / V from body O.
3. Unscrew hexagon-socket screws K, remove control unit C or G and orifice L.
4. Replace control unit C or G and orifice L in case of visible signs of wear or damage.
5. Clean body, internals and all gasket surfaces.
6. Apply heat-resistant lubricant to all threads and the seating surfaces of the closing unit and cover
(use for instance WINIX ® 2150).
7. Insert orifice L, attach control unit C or G and tighten screws K alternately. For torque see table
“Torques” on page 15.
8. Insert a new body gasket D.
9. Put cover onto the body. Tighten body screws A or hexagon nuts P alternately in several steps to
the torque indicated in the table on page 15.
Clean / exchange control unit
Maintenance
GESTRA steam traps type UNA do 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.
You can check the trap UNA for steam loss during operation using the ultrasonic measuring unit
VAPOPHONE
® or the test unit TRAPtest ® .
In case of steam loss clean the trap and/or replace the control unit or orifice (closing unit).
Check steam trap
1. Take heed of the note “Danger” on page 4.
2. Open the hand vent valve if necessary.
3. Close hand vent valve firmly after the venting process.
Hand vent valve