Siemens SIPART PS2 6DR5 Series Compact Operating Instructions page 39

● In order to set the restrictors, we recommend closing them and then opening slowly.
● In case of double-acting valves, ensure that both restrictors have approximately the same
setting.
Figure 4-14
*) Restrictor Y2
SIPART PS2 (6DR5...)
Compact Operating Instructions, 09/2019, A5E03436620-AE
①
Restrictor Y1
②
Restrictor Y2, only in the version for double-acting actuators *)
③
Hexagon socket-head screw 2.5 mm
Restrictors
②
is not active for single-acting Fail in Place F01
Connecting
4.4 Restrictors
39