4
2 BO 70 en
Only qualified personal may perform the installation work.
Metso will take no liability for structural modifications car-
ried out without the corporation’s explicit consent.
Use original spare parts only.
Spare parts should be installed by Metso service personnel.
The specific spare parts can be found in Chapter 7.
1.4
Scope of delivery
Normally the High Performance Butterfly Valve Type BO is
delivered complete with the actuator.
1.5
Visual inspection
Before leaving Metso, the valve has been checked for tight-
ness and functionality by Metso Quality Control and set for
operation in accordance with the order-related specifica-
tions.
1)
Before installation, please check the valve for possible
transport damage. If parts of the delivery are dam-
aged, please contact our qualified personnel immedi-
ately.
2)
Before installation, please check the valve for function-
ality.
Proceed as follows:
□
Lifting ropes are necessary depending on the size and
weight of the valve.
Fasten the lifting ropes around the valve body (see Fig. 1)
for a horizontal transport position.
If you fix the ropes on the actuator, the shaft may be dam-
aged.
Figure 1
Fasten the lifting ropes only on the actuator for a verti-
cal transport position. (see Fig. 2)
Figure 2
□
Visual inspection – all screws are tightened correctly
□
Visual inspection for damage on the following parts:
□
disc
□
shaft
□
actuator and tubing
□
gland packing
□
sealing elements
□
sealing surface of the valve
□
Bring the valve into a vertical position.
The valve can move uncontrolled during the check. For
this reason, ensure that the valve cannot move or even
tilt over under any circumstances.
Normally valid:
View from above on the drive shaft of the disk:
Counterclockwise rotation = OPEN, Clockwise rotation =
CLOSE (see
If the valve does not work correctly during the check, please
contact our professionals.
1.6
Marking and identification
Figure 3
CAUTION:
Danger of twisting!