Preparation For Installation; Mounting The Actuator; Construction With Integrated Yoke (Form B) - Samson 3374 Mounting And Operation Instructions

Installation

5.2 Preparation for installation

Before mounting, make sure the following
conditions are met:
− The actuator is not damaged.
Proceed as follows:
Lay out the necessary material and tools to
have them ready during mounting.
Cover screws
Phillips screws are used to fasten the actua-
tor housing cover. Use a POZIDRIV
screwdriver to undo and tighten the screws.

5.3 Mounting the actuator

5.3.1 Construction with inte-
grated yoke (form B)
Attachment
− Series V2001 Valves (DN 15 to 80)
− Type 3260 (DN 65 to 80)
− Type 3260 (DN 100 to 150, only with
Type 3374-10)
− Type 3214 (DN 65 to 100)
Î See Fig. 5-3.
1. Remove protective covers and unscrew
nut (6) from the valve.
2. Retract actuator stem (3) as described in
the 'Operation' section (see Fig. 5-2 and
Fig. 5-3).
5-2
Fig. 5-2:
PZ2
®
Note
For actuators with "actuator stem extends"
fail-safe action (see nameplate), the supply
voltage must be applied to allow the actua-
tor stem be retracted. To apply the supply
voltage, proceed as described in section 5.6.
3. Place the actuator with yoke onto the
valve and fasten using nut (6, width
across flats 36).
Tightening torque
4. When the plug stem (5) fits closely onto
the actuator stem (3), attach both stem
connector clamps (4) and fasten with
screws.
Actuating shaft
Actuating shaft for manual override
(actuator with integrated yoke)
EB 8331-3 EN
100 Nm