APV SPX DELTA DKR2, Operating Manual

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12
11.5 Adjustment of operating position
Attention! For a safe, perfect and fast adjustment of the
operating position, we recommend to use two
separate FG flanges.
11.5.1 Adjustment of operating position with FG flanges
Install the ball seals as described in 11.3.
Assemble the valve as described in 11.4.
Turn the ball into its exact open position.
a. Control actuator (15) with pneumatic air (min. 6 bar) and place
it on the yoke.
b. Screw in screws (16), but do not tigthen them.
Danger! Do not reach into the open valve after installation
of the actuator.
Risk of injury by sudden operation of the valve.
c. Screw down FG flanges at the housing. The ball must be in
its exact open position during this procedure.
d. Release both screws (3) of the shaft bearing (ball centers between
the seals) and retighten them.
e. 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 procedure !!!
Danger! Do not reach into the open valve.
Risk of injury by sudden operation of the valve.
f. 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".
g. Shut off the air supply to the turning actuator and dismantle the
FG flanges.
h. Insert the valve in closed position between the flanges into the
pipeline and fasten it with the screws (20).
Tightening torque:
M8 Md = 16 Nm
M10 Md = 40 Nm.
i. Connect pneumatic air line with turning actuator.
j. Connect cleaning line.
k. Attach valve position indicators.
11. Service Instructions
Double-Seat Ball Valve with Cleaning Connection
DELTA DKR 2
Operating Manual : Rev. 7
FG - flange
UK