SPX FLOW APV DELTA DKR2 Instruction Manual page 23

APV
APV_DKR2 ATEX_UK-0_022018.indd
Double Seat Ball Valve DELTA DKR2
ATEX Design
Instruction Manual: UK-0
12. Service Instructions
.
12.5.1 Adjustment of operating position with FG flanges
Install the ball seals as described in 12.3.
Assemble the valve as described in 12.4.
Turn the ball into its exact open position.
1. Control actuator (15) with pneumatic air (min. 6 bar) and place it on
the yoke (17).
2. Screw in screws (16), but do not fasten them.
Danger!
3. Screw down FG flanges at the housing. The ball must be in its exact
open position during this process.
4. Release both screws (3) of the shaft bearing (ball centers between
the seals) and retighten them.
5. Slightly turn the actuator in anticlockwise direction to adjust the play
in the connecting parts.
! The ball must keep its exact open position during this process!
Danger!
6. At first, tighten the screws (18) and then tighten the screws (16).
Operate the turning actuator several times to check the operating
accuracy of the ball in "open position".
Tightening torque:
7. Shut off the air supply to the turning actuator and dismantle the FG
flanges.
8. Insert the valve in closed position between the flanges into the
pipeline and fasten it with the screws
9. Connect pneumatic air line with turning actuator.
10. Connect cleaning line.
11. Attach valve position indicators if required.
Do not reach into the open valve after installation
of the actuator!
Risk of injury by sudden operation of the valve.
Do not reach into the open valve.
Risk of injury by sudden operation of the valve.
M8 Md = 16 Nm
M10 Md = 40 Nm
UK
18