Siemens 6DR55 Series Manual page 18

Introduction
1
3
1 Actuator
2 Positioner, single--acting in explosion proof housing
3 Lantern
4 Manometer block, single--acting
Figure 3 Explosion proof positioner mounted on linear actuator (single--acting)
2
1
2
3
Figure 4 Explosion proof positioner mounted on part--turn actuator (double--acting)
16
Positioner double--acting in explosion proof housing
Part--turn actuator
Manometer block, double--acting
2
4
1
3
SIPART PS2 PA Manual
A5E00127926--05