SPX FLOW APV DELTA DKR2 Instruction Manual page 24

APV
APV_DKR2 ATEX_UK-0_022018.indd
19
12. Service Instructions
12.5.2. Adjustment of operating position without FG flanges
If FG flanges are not available, the ball can, in exceptional cases,
be adjusted as follows
(Attention! Failure of adjustement is possible.):
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.
2. Screw in screws (16), but do not tigthen them.
Danger!
! The ball must be in its exact open position!
3. Slightly turn the actuator in anticlockwise direction to adjust the play
in the connecting parts.
! The ball must not move during this process!
(exact open position)
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.
4. Shut off the air supply to the turning actuator and insert the valve in
closed position into the line system. Fasten it with the screws (20).
5. Centering of ball - ABSOLUTELY NECESSARY!
To center the ball between the seal rings, proceed as follows:
1) Release screws (3) by about ¼ turn.
2) Release one screw (18) by about ¼ turn.
3) Release second screw (18) by about ¼ turn and retighten
4) it immediately.
Attention!
6. Re-tighten screw (18) and, then, screws (3).
7. Tightening torques:
8. Connect pneumatic air line with turning actuator.
9. Connect cleaning line.
10. Attach valve position indicator.
Do not reach into the open valve after installation
of the actuator!
Risk of injury by sudden operation of the valve!
Hold the turning actuator fast during this process.
Bring up holding moment in clockwise direction
(top view of actuator).
Md = 16 Nm
Md = 40 Nm
UK
M8
M10
Double Seat Ball Valve DELTA DKR2
ATEX Design
Instruction Manual: UK-0