ProMinent Makro TZ Operating Instructions Manual page 40

Repair
Page 40
Fig. 31: Discarge valve (arrow = direction of flow)
Reassembling discharge valve:
IMPORTANT
Check the alignment of the valve seat (2) when assembling. The valve seat (2) acts as the
ball seat on the smooth side and on the other it acts as the ball cage and spring guide.
The smooth side should point in the direction of flow in all valve types.
Slide the following one after another into the valve body (1):
one seal (5) and one valve seat (2) (direction!)
one seal (5) and one valve housing (4) (direction!)
(where applicable: slide one spring (6) into the valve seat's spring guide (2))
one ball (3)
one seal (5) and the second valve seat (2) (direction!)
one seal (5) and the second valve housing (4) (direction!)
(where applicable: slide the second spring (6) into the valve seat's spring guide (2))
the second ball
one seal (5) and the third valve seat (direction!) and one further seal (5)
place the insert disc (7) onto the packing with the bowed side up
1
2
3
4
5
(6)
1 Valve body
2 Valve seat
7
3 Ball
4 Valve housing
5 Seal
6 Spring (optional)
8
7 Insert disc
8 Seal (liquid end)
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