Samson 3372 - Page 7

T 8313 EN 7
Table3: Bench ranges of Type3372 Actuator
Actuatordiaphragmarea[cm²] Ratedtravel[mm] Travelvolumeatratedtravel[cm³] Benchrange[bar](signalpressure rangeatratedtravel) Additionalpossiblespringpre‑ loading No.ofsprings
Fail‑safeaction:actuatorstemextends Fail‑safeaction:actuatorstemretracts
Springforceat
0mmtravel[kN]
Springforceat
ratedtravel[kN]
Springforce[kN]atratedtravel
andsupplypressure[bar]of
2 3 4 5 6
120
15
1800 0.4 to 1.4
–
4 0.5 1.7 0.7 1.9 3.1 – –
1800 1.4 to 2.3 8 1.7 2.8 – 0.8 2 3.2 4.4
1800 2.1 to 3.3 12 2.5 4.0 – – – – –
350
5250 1.5 to 2.1 8 – – – 3.15 6.65 6.65 6.65
5250 2.1 to 2.7 6 7.35 9.5 – – – – –
30
10500 1.5 to 2.7 8 – – – 1.05 4.55 8.05 11.55
10500 2.2 to 3.8 12 7.7 13 – – – – –
Dimensiondiagrams·All dimensions in mm
With integrated i/p converter
Ø30
309
Supply
236
Ø168
PG11
G
1
8
G
¼
G¼
Ø168
Ø30
120cm² actuator area
(actuator stem extends)
120cm² actuator area
(actuator stem retracts)
With Type3725 Positioner (direct attachment)
182
Ø168
Ø280
231
120cm² actuator area
(actuator stem retracts/extends)
350cm² actuator area
(actuator stem retracts/extends)