Attachment To Valve; Construction With Integrated Yoke; Construction With Ring Nut - Samson 3374 Mounting And Operating Instructions

3.2 Attachment to valve

3.2.1 Construction with inte-
grated yoke
Fig. 2A:
Attachment to
– Series V2001 Valves (DN 15 to 80)
– Type 3260 (DN 65 to 150)
– Type 3214 (DN 65 to 100)
1. Remove protective covers and unscrew
nut (6) from the valve.
2. Connect the power supply as described
in section 4 on page 15.
3. Retract actuator stem (3) as described in
section 6.
4. Place actuator on yoke and fasten tight
using nut (6, 36 mm width across flats)
(tightening torque min. 150 Nm).
5. When the plug stem (5) fits closely onto
the actuator stem (3), attach both stem
connector clamps (4) and fasten with
screws.
EB 8331-4 EN
3.2.2 Construction with ring
nut
Fig. 3B:
Attachment to Series 240 Valves
1. Slide plug stem down to close the valve.
2. Turn the stem connector nut (8) until the
measurement x = 75 mm (DN 100 and
larger: x = 90 mm) from the top of the
yoke to the head of the stem connector
nut (8) is achieved. Lock this position
with the lock nut (9).
Types 3374-10/-11/-21/-31
Connection with yoke
Attachment to Series V2001 Valves,
Type 3260 (DN 65 to 150),
Type 3214 (DN 65 to 100)
1
2.1
3
4
5
6
A
1
2.1 Actuator yoke
2.2 Valve yoke
2.3 Bonnet
3
4
5
6
7
8
9
10 Travel indicator scale
Fig. 2: Attachment to the valve
Installation
Actuator
Actuator stem
Stem connector
Plug stem
Nut
Ring nut
Stem connector nut
Lock nut
13