GF DIASTAR Betriebsanleitung Seite 52

Instruction Manual
Fig. 16
 Screw housing nut with strap wrench/ special tool tight, till
- a uniform all-around gap of 0.5 up to 1 mm between valve body and bonnet is
achieved and
- the half-round position indicator is align with the friction lock, see fig. 16
For valves with a built-in stroke limiter, we recommend to read just the valve.
50
Installation