ProMinent Makro/ 5 Operating Instructions Manual page 43

V
N
P_MAK_0056_SW
Fig. 22: Section through a plate valve (DN65 shown)
1 Valve cap II (only DN 65)
2 Perforated disc (only DN 65)
3 Compression spring
4 Valve body
5 Valve plate
6 Valve insert
7 Valve cap
1. Screw the valve cap (7) on to the suction side - see Fig. 22.
2. Carefully remove the parts from the valve body (4).
3. Replace the worn parts.
4. Clean the remaining parts.
5. Check all parts.
6. Only DN 65: Insert the perforated disc (2) in the valve body
(4).
7. Place the compression spring (3) inside the valve body (4).
Position the compression spring with the end
(see figure: arrow N, at the bottom) as shown on
one of the lugs in the valve body.
Otherwise the valve plate may knock when in
operation.
8. Insert the valve plate (5) and the valve insert (6).
9. Screw on the valve cap (7).
Pay attention to the flow direction of the discharge and
suction connectors when fitting the valve.
1
2
3
4
5
6
7
P_MAK_0055_SW
Repairs
43