VTop Control Valves
M/VTOP-M/E ed. 01 2020
3.12.3 – TRIM REPLACEMENT
ATTENTION
IF THE VALVE IS FITTED WITH A SOFT SEAL, CONSIDERING THE COMPLEXITY OF THE OPERATIONS FOR
TRIM REPLACEMENT, YOU ARE ADVISED TO CONTACT OUR SUPPORT SERVICE.
VTop valves were designed with a “QUICK CHANGE TRIM” – “EASILY REPLACED INTERIOR”, the compartment is
not screwed to the body, but rests with a seal gasket and pressed by the cage system, see Figures “TRIM DN15-50” –
“TRIM DN 65-200”.
For valves
20VT EP
, Fig. “20VT EP” –
50VT EP
, Fig. ”50VT EP” proceed as follows:
tighten the locking nuts ref. 12 tightening the bonnet ref. 9
simultaneously remove the overall actuator with the bonnet and trim connected, then proceed as follows, extract in
sequence:
the cage ref. 4, the compartment ref. 2 with gasket ref. 3 fitted.
As for the first operation, clean the compartment and replace the compartment with the new gasket.
Unscrew the nuts ref. 17, unscrew and remove the entire stem ref. 7 combined with the plug ref. 5, replace the trim with
the complete spare part – profile ref. 5 + stem ref. 7 connected to the pin ref. 6.
For the DN65-200 valves, the piston ref. no. 5 with all its compartments is always firmly on the stem ref. 7
In this case, it will be forced/precise inside the cage to guarantee sealing of the rings EK3245.
When the trim is changed, the body gasket must also be changed, see 3.4.1
“20VT EP”
“50VT EP”
Fig. “TRIM DN15-50”
Fig. “TRIM DN65-200”
