Samson 3372 - Page 23

EB 8313-3 EN 3-9
Design and principle of operation
Table 3-4: Technical data
Actuator area 120cm² 350cm²
Bench range in bar
0.4 to
1.4
1.4 to 2.3
2.1 to
3.3
1.5 to
2.1
2.1 to
2.7
1.5 to
2.7
2.2 to
3.8
Fail-safe action Stem
retracts
(FE)
Stem
retracts
(FE)
Stem
extends
(FA)
Stem
extends
(FA)
Stem
retracts
(FE)
Stem
extends
(FA)
Stem
retracts
(FE)
Stem
extends
(FA)
Travel 15mm 30mm
Supply pressure Max. 6bar
1)
Ambient tempera-
ture range
–35 to +90 °C
2)
–35 to +90 °C
2)
Dimensions Refer to Fig.3-7 Refer to Fig.3-8
Weight, approx. 3.3kg 15kg
Material
Actuator housing Aluminum, powder paint coated 1.0332
Diaphragm NBR NBR
Actuator stem 1.4305 1.4401/1.4404
Electropneumatic positioner
Type3725 Refer to Data Sheet uT8394 and Mounting and Operating Instructions
uEB8394
Electric limit switch
Type4744-2
One electric limit contact · 15mm travel range
uT8367 and u
EB8367
–
1)
See the 'Operation' section for restrictions in on/off service.
2)
Observe temperature limits of the mounted valve accessories.