Flowserve PA46 Manual de usuario descargar pdf (Pagina 19)

Replacing stufﬁng box, valve seat and valve plug PA 46, PA 47

1. Undo retaining piece for forkhead

T and pull out hand lever 1. Fig. 3

2. Unscrew hexagonhead cap screws

W and remove locking lever A.

3. Remove pressure plate

V and mounting bracket B.

4. Pull out split pin

5. Use openend spanner A. F. 28 mm to unscrew the pressure pin

R from the valve plug D.

6. Remove compression spring

7. Use openend spanner A. F. 32 mm to unscrew the union nut

8. Unscrew sealing plug

G and remove gasket F.

9. Pull out valve plug

10. Take out internal parts

N M L K L J of stufﬁng box.

11. Use steel punch to knock the valve seat

H out of the valve body I. Fig. 7

12. Clean stufﬁng box and valve body.

13. Insert new valve seat

H such that two opposite holes are in the ﬂow direction of the intermittent

valve.

14. Use punch made of CuZn to ﬁx the valve seat in the valve body.

Fig. 8

15. Reinsert valve plug

D and use abrasive paste type TETRABOR

F400 for polish grinding.

16. Insert new gasket

F and screw in sealing plug G. Tighten with a torque of 350 Nm.

17. Reinsert internal parts of stufﬁng box according to order as speciﬁed on page 24.

Fig. 5, Fig. 6

18. Apply heatresistance lubricant to stufﬁng box thread (use e.g. WINIX

2150).

19. Align valve plug

D such that the hole for the split pin S is perpendicular to the ﬂow direction of the

intermittent valve.

20. Use openend spanner A. F. 32 mm to screw in union nut

O and tighten at room temperature with

a torque of

55 Nm.

21. Apply heatresistant lubricant to both sides of the compression spring

P (use e. g. WINIX

2150)

and place it onto the union nut

22. Use openend spanner A. F. 28 mm to screw the pressure pin

R onto the valve plug D until the

holes for the split pin

S in the valve plug and the pressure pin overlap.

23. Insert split pin

24. Put mounting bracket

B and pressure plate V in place. Align check hole C to the right.

25. Insert and screw in hexagonhead cap screws

W and locking lever A and tighten them in

diagonally opposite pairs, applying a torque of

20 Nm.

26. Insert hand lever

1 and ﬁx it to the forkhead T by means of retaining piece 3.

27. Operate valve once (open it until it hits the stop).

WINIX

2150 is a registered trademark of WINIX GmbH, Norderstedt

TETRABOR

is a registered trademark of WackerChemie GmbH, Kempten

Maintenance  continued 

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 31 32

Comentarios a estos manuales

Sin comentarios

Flowserve PA46 Manual de usuario Pagina 19

Comentarios a estos manuales

Relacionado con productos y manuales para Hardware Flowserve PA46