Samson 3274 - Page 28

5-4 EB 8340 EN
Installation
DN100to150(Series240,250and280,
K
VS
40 to 160)
1. Checkdimensionx=90mm.Ifneces-
sary, readjust by turning the stem con-
nector nut (9.3).
2. Place actuator onto the valve bonnet and
secure using the ring nut (8.1).
Tightening torque 150Nm
3. Fasten the stem connector nut (9.3) and
actuator stem (5.6) to the stem connector
clamps (8.2).
4. Move the actuator stem to the lower end
position. Align the travel indicator scale
(9.2) with the middle of the stem connec-
tor (8.2) and screw tight.
8 Actuator
8.1 Ring nut
5.6 Actuator stem
8.2 Stem connector
9.1 Valve bonnet
9.2 Travel indicator scale
9.3 Stem connector nut
9.4 Lock nut
9.5 Plug stem
8
8.1
5.6
8.2
9.3
9.4
9.2
9.5
9.1
x
Fig.5-2: Attachment to the valve