iSMA CONTROLLI MVC503 2-RS Series Manual

1
MVC503x-2-RS
2
Multiprotocol Network actuator for PICV and Globe Valves
with energy and temperature control functions
1
1
2
Libra, V.XT, VSXT.PBP, VSBT.-VMBT.
Set the actuator spindle in the retract po-
sition
WARNING In case of MVC coupling on a valve produced before September 2019 to replace an MVT, must be used the 55061
kit.
VALVE (production previous September 2019)
VSB.T-VMB.T
2-3TBB.T
2-3TGB.B
VSB.T-VMB.T
MODEL
3/4" .. 2"
STROKE
5,5 mm
MVC503x-2-RS
The performances stated in this sheet can be modifi ed without any prior notice.
1 3
2
75°
75°
YES
NO
2
1
VSB.T-VMB.T, 2-3TGB.B, 2-3TBB.T, 2TGA.BT
1. Put the stem adaptor of the valve on the top of the stem (the stem must not
exceed the inlet of the stem adapter);
2. lock the stem adaptor position with the locknut;
3. using the manual override make the screw jack go up;
4. lock the M30x1,5 ring nut of the actuator on the valve;
5. using the manual override make the screw jack go down until to align the
actuator spindle slot with the locknut (A);
75°
6. secure the screw jack with the stem adaptor with the screw (B) through the
non-threaded hole of the spindle adapter (A).
It is suggested to apply a threadlocker (for example Loctite 2400) on the screw
75°
between the screw and the stem adapter.
VALVES WITHOUT SPRING
2-3TGB.B 2-3TBB.T 2TGA.BT
1/2" 1/2" .. 2" 3/4" .. 2"
STROKE STROKE
11,5 mm 12 mm
AG74-03
www.ismacontrolli.com
B
A
INSTALLATION
Do not use the actuator if not coupled with the valve
1
3
2
B
A
YES
ACTUATOR to be replaced
MVT203
MVT403
NO
MVT503
OTHER MA-
VLX-VLX.P
NUFACTOR
1/2" .. 1 ¼"
VALVES
STROKE STROKE
STROKE
8,5 mm 4 mm
max 12 mm
DIM480en | 1
A
YES
NO
3
2
B
A
YES
Replacement KIT
NO
55061
VALVES WITH SPRING
VSXT-VMXT- VSXT.PBP
VTXT 1 ½"
1/2" .. 3/4" STROKE
STROKE 5,5 mm 5,5 mm
AG74-03
Issue | 03/2024
st
VSBT.-VMBT.
3/4" .. 2"
STROKE
8,5 mm
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