CONFLOW AMS Series, Руководство по установке и обслуживанию

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UNIWORLD Series
M/UNIWORLD-M/E ed. 01 2020
WWW.CONFLOW.IT Page 24
“2700 EP” “5700 EP”
3.14.2
– PACKING REPLACEMENT
3.14.2.1
– VALVES 2000 EP – 5000 EP – 2100 EP – 5100 EP – 5800 EP
ATTENTION
IF THE VALVE IS FITTED WITH A SOFT SEAL, CONSIDERING THE COMPLEXITY OF THE OPERATIONS FOR PACKING AND BELLOWS
REPLACEMENT, YOU ARE ADVISED TO CONTACT OUR SUPPORT SERVICE.
The operation to replace the packing involves dismantling the lock on the trim+actuator.
Open the valve to half stroke.
For valves 2000 EP
, Fig. “2000 EP” –
5000 EP
, Fig. ”5000 EP” – 2100 EP – 5100 EP – 5800 EP
proceed as follows:
unscrew the locking nuts ref. 12 that tighten the bonnet ref. 9, at the same time remove the overall actuator with the bonnet and trim
connected and then proceed as follows:
unscrew the nuts ref. 17, unscrew and remove the entire stem ref. 7, unscrew the packing bush ref. 16,with a hooked iron tool gently
extract the packing rings ref. 15, the packing washer ref. 13, the packing spring ref. 14 , blow and clean the packing chamber found on
the bonnet ref. 9.
When the packing is changed, the body gasket must also be changed, see 3.14.1
Then proceed to assemble the new packing following the previous operations in the reverse order, see Fig. “PACKING”.