Samson 3277-5 - Page 18

3-6 EB 8310-1 EN
Design and principle of operation
Temperature range
The permissible temperature range is deter-
mined by the NBR diaphragm material.
Throttling
service:
–35to+80°C
–31to+176°F
On/off service: –20to+80°C
–4to+176°F
Supply pressure
The maximum permissible supply pressure is
speciedintheorderconrmationforthe
control valve. It is, however, restricted to
6barinthrottlingservice.Seethe'Opera-
tion' section for restrictions in on/off service.
Dimensions and weights
See Table 3-1 and dimensional drawings on
page3-7and3-8.
Table 3-1: Dimensions in mm and weights in kg
Actuator Type 3271-5 3277-5
Actuator area cm² 120 120
Height
H' 69 70
H1 205 293
H4
rated
FA 75 75
H4
max
FA 78 78
H4
max
FE 78 78
H5 – 88
H6 34 34
H8 75 75
Diameter
ØD 168 168
ØD2 10 10
Thread Ød M30x1.5
1)
M30x1.5
1)
Air connection a G
1
/
8
(
1
/
8
NPT) –
Weight
Without handwheel 2.5 3.2
With handwheel 4 4.5
1)
Inversionformicro-owvalve:M20x1.5thread