Samson 3730-1 - Attachment According to VDI;VDE 3847-2

EB 8384-1 EN 47
Mounting and start-up
5.6 Attachment according to
VDI/VDE3847-2
AttachmentaccordingtoVDI/VDE3847-2
for PFEIFFER SRP (single-acting) and DAP
(double-acting) rotary actuators in sizes 60
to 1200 with NAMUR interface and air
purging of the actuator's spring chamber al-
lows the direct attachment of the positioner
without additional piping.
Additionally, the positioner can be replaced
quickly while the process is running by
blocking the air in single-acting actuators.
Procedure to block the actuator in place
(see Fig.12):
1. Unscrew the red retaining screw (1).
2. Turn the air blocker (2) on the bottom of
the adapter block according to the in-
scription.
1 Retaining screw
2 Air blocker
12
21
Fig.12: Adapter block for attachment accord-
ing to VDI/VDE3847-2