Flowserve BA46 Bedienungsanleitung PDF herunterladen (Seite 29)

Maintenance – continued –

1. Take heed of the danger note on page 5.

2. Cut off power supply to actuator

3. Undo hexagon screws

7 and remove actuator and coupling 8.

4. Unscrew the hexagon nut

T and detach control lever U with the aid of a pulling device.

5. Undo stufﬁng box screws

A, remove stufﬁng box gland C, scale plate B, disk springs D and

spring sleeve

6. Unscrew nozzle stem

R and pull is out of the valve body.

7. Unscrew locking screw

P and remove gasket Q.

8. Unscrew sealing plug

O and remove gasket N.

9. Use a brass drift punch d = 14.8 mm to force out the internals

F to J, Fig. 14

10. Clean and, if required, exchange valve body

K and internals.

11. Apply glue type “Loctite

620” to seat bushing J and put it in place. Insert stage bushing I.

12. Align wearing bushing

H in such a way that the groove is on the longitudinal axis of the locking

screw

13. Screw in the locking screw

P together with gasket Q and tighten it with a torque of

5 Nm (DN 15 – 32) or 11 Nm (DN 40, 50) when cold.

14. Align and insert the guide sleeve

G in such a way that the groove on the longitudinal axis

is on the locking screw

P, Fig. 12.

15. Insert new wiper rings and packing rings

F as shown, Fig. 12.

16. Apply lubricant (type WINIX

2010) to the thread and sealing surface of the nozzle stem.

17. Insert nozzle stem

R and screw it into the guide sleeve G by two turns.

18. Insert spring sleeve

E and disk springs D in the shown sequence.

19. Put scale plate

B and stufﬁng box gland C in place and tighten stufﬁng box screws A slightly.

20. Screw out nozzle stem

R by half a turn and fasten stufﬁng box screws A with a torque of

7 Nm (DN 15 – 32) or 11 Nm (DN 40, 50).

21. Turn nozzle stem

R into the closed position, applying a torque of 7 Nm. Put control lever U in

place and align scale S with the scale plate B such that the diamond-shaped marker “0” is in the

middle of the scale plate.

Changing packing and internals of BAE 46, BAE 47

WINIX

2010 is a registered trademark of WINIX GmbH, Norderstedt

LOCTITE

is a registered trademark of HENKEL KgaA, Düsseldorf

Changing packing and internals of BA 46, BA 47 – continued –

15. Insert nozzle stem R and screw it into the guide sleeve G by two turns.

16. Insert spring sleeve

E and disk springs D in the shown sequence.

17. Put scale plate

B and stufﬁng box gland C in place and tighten stufﬁng box screws A slightly.

18. Screw out nozzle stem

R by half a turn and fasten stufﬁng box screws A with a torque of

7 Nm (DN 15 – 32) or 11 Nm (DN 40, 50).

19. Turn nozzle stem

R into the closed position, applying a torque of 7 Nm. Put control lever U in

place and align scale

S with the scale plate B such that the diamond-shaped marker “0” is in the

middle of the scale plate.

20. Screw hexagon nut

T onto the threaded part of the nozzle stem R and tighten with a torque of

20 Nm while holding the control lever.

21. Screw sealing plug

O together with gasket N into the valve body and tighten with a torque of

130 Nm or screw in the sample valve with the gasket according to the instructions given by the

manufacturer.

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