Samson EB 31a Mounting And Operating Instructions page 12

Markings on the device
Table 2-1: Marking on the actuator type plate
Information
Distinctive marking: (variable)
Accessory connection: (fi xed, depending on the
actuator size)
Air connection: (fi xed, depending on the actuator
size)
Max. permissible pressure: (fi xed)
Mode of operation: (variable)
Exact type designation: (variable)
Swing angle: (fi xed, depending on the actuator size)
Item number: (variable)
Version according to EN: (fi xed, depending on the
actuator size)
Example: F07-Y-D-17
Torques: (variable)
2-2
Pos.
1 Order number
2 Item number from the order
3 Serial number (automatic assignment)
4 AA1 to AA4 (according to VDE/VDI size 1 to 4)
5 PC1 = size 1/8"
PC2 = size 1/4"
PC3 = size 3/8"
PC4 = size 1/2"
6 With BR 31a, always 10 bar
7 Actuator function:
8 Direction of action:
9 Schematic representation:
10 Series:
11 Type:
12 Actuator size:
13 Spring designation:
14 0-90° +5/-15°
0-120°+/+5/-15°
0-180° +5/-15°
15 Pfeiffer – item number
16 Flange F07
17 Spigot ( Y )
18 Diagonal square drive ( D )
19 Square drive SW 17
20 Specifi cation of actuator torque depending on the supply air pressure
Remark
single-acting / double-acting
CW = Clockwise (spring closes)
CCW = Counterclockwise (spring opens)
Rotation direction to springs and air connection.
Namur interface with marking of ports "2" and "4"
BR 31a
SRP / DAP
00015 to 10000
2.5 to 6 (bar)
December 2022 edition
Subject to technical changes
EB 31a_EN