Replacement Of Trim Valve Vfg2; Dismounting, Mounting Actuator Avd, Savd - Danfoss PCVD Instructions Manual

Instructions
14 | © Danfoss | 2016.05
PCVD, PCVSAD

9.2 Replacement of Trim Valve VFG2

The trim can be replaced by qualified personnel
up to DN 125. From DN 150 replacement should
be carried out by the Danfoss service personnel.
Removing the trim:
Valves DN 100–125
2
3
1
1. Dismount actuator 1 (see section 9.1).
2. Unscrew hexagon head cap screw 2.
3. Remove bonnet 3.
4. Take out trim 4.
Prior to installation:
Clean sealing surfaces 5 and socket 6, grease
sealing surfaces with antiseize graphite
petroleum.
6
Installing the trim:
Mounitng is carried out in reverse order.
Torque hexagon head cap screws 2:
DN Torque
100-125 180 Nm
9.3 Dismounting, Mounting Actuator AVD,
SAVD
4
Dismounting
1. Dismount impulse tubes.
2. Loosen union nut 1.
3. Remove actuator.
Mounting
1. Place actuator at the valve and align, observe
position of the impulse tube connections.
2. Screw on union nut 1 and tighten, torque
100 Nm.
5
Wrench
SW 30
1
AVD
SAVD
VI.JA.C3.5B