EB 8312-2 EN
11
Design and principle of operation
For mounted SAMSON globe valves
The handwheel is marked 'Open/Close' and
has directional arrows.
−
Turn the handwheel clockwise: the globe
valve closes.
−
Turn the handwheel counterclockwise: the
globe valve opens.
For mounted SAMSON three-way valves
A label is affixed to the handwheel, which
indicates in which direction the threaded rod
is moved by turning the handwheel (see
Fig. 4).
The gear is locked by the locking bolt to pre-
vent accidental adjustment.
3.1 Versions
−
Version with 30 mm Ø connection
for
Type 3271 and Type 3277 Actuators
with 175 to 750 cm² actuator areas (see
Table 1)
−
Version with 60 mm Ø connection
for
Type 3271 Actuators with 1000 or
1400-60 cm² actuator area (see Table 1)
−
Special version
without pneumatic actu-
ator · On request
Verteilventil
close A
open B
Diverting valve
AB
A
B
Vanne de distribution
Mischventil
close B
open A
Mixing valve
AB
A
B
Vanne mélangeuse
Fig. 4:
Label on handwheel for mounted SAMSON three-way valves
