UNIWORLD Series
M/UNIWORLD-P/E ed. 01 2020
3.4
– MAINTENANCE
3.4.1
– BODY GASKET REPLACEMENT
3.4.1.1
– VALVES 2000 DA – 2100 DA - 5000 DA – 5100 DA - 5800 DA
ATTENTION
IF THE VALVE IS FITTED WITH A SOFT SEAL, CONSIDERING THE
COMPLEXITY OF THE OPERATIONS FOR BODY GASKET/S REPLACEMENT, YOU ARE
ADVISED TO CONTACT OUR SUPPORT SERVICE.
For
DIRECT ACTING valves (DA= air closes)
, Fig. “
2000 DA
– 5000 DA
” , proceed as follows:
unscrew the locking nuts ref. 17 that tighten the yoke ref. 18 for version 5000 DA unscrew the lower nuts ref. 17 that
tighten the lower flange ref. no. 1a, at the same time remove the overall servomotor with the bonnet and trim connected,
remove the old gasket ref. 9 and clean the compartment carefully, replace the gasket/s ref. 9, then proceed to assembly
by carrying out the previous operations in the reverse order.
“2000 DA”
“5000 DA” (also valid for 5800 DA)
For Double Effect valves Type
2100 DE
– 5100 DE
(air opens
– air closes) proceed as for the DA version above,
however taking care to firstly unscrew the tightening nuts ref. 17, to check the valve is in the fully open position so the
plug is distanced from the compartment.
