Adler SpA
Valvole a sfera –- V.le Borletti , 14 - 20010 S. Stefano Ticino (MI) - ITALY
Tel.
+39 - 0297484211 –
Fax
. +39 - 0297271698
- Web Site
: www.adlerspa.com -
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Full bore wafer ball valves
Full bore ball valves split body“FE/F2”, “FG2”,
split body type “FA2”, “FB2”, “FC2”
“FH2”, “FM/N2”, “VE2”, “VG2”, “VM/N2”
a)
Turn the lever (Ref. 15) up to close the ball;
b)
Dismantling the end (Ref. 2) from the body (Ref. 1) removing screws (Ref. 16);
c)
Remove the ball (Ref. 6), replacing it if the external surface results damaged;
d)
Unscrew and remove the first nut on the stem (Ref. 14), the wrench (Ref. 15), the second nut (Ref. 14), spring washers (Ref.12) and the pressing bush
(Ref.11);
e)
Remove the stem (Ref. 8) with the ‘V’ seal (Ref. 10) and the stem seal (Ref. 9);
f)
Replace seats (Ref.5) of the body (Ref. 1) and of the insert (Ref.2) the seal & the O-Ring of the body (Ref. 3 e 4);
g)
Reassemble the ball valve replacing the stem (Part. 8) if damaged with the bush (Ref. 9);
h)
Keeping the stem on closed position put the ball (Ref. 6) into the body (Ref. 1), then fix the end (Ref. 2) to the body (Ref.1) with screws (Ref. 16);
i)
Reassemble the ‘V’ seal (Ref. 10) on the stem (Ref. 8), replacing it if damaged;
j)
Reassemble the pressing bush (Ref. 11), spring washers (Ref. 12), the nut (Ref.14), the lever (Ref. 15) and the top-nut (Ref. 14);
k)
Open and close 3-4 times in order to check that the rotation is free from defects (appropriate torque and uniformity of the ball rotation).
3 Ways Full bore wafer ball valve 90° our type ADLER “FT4” e “FT6”
a)
Remove the stop pin (Ref. 13);
b)
Turn the lever (Ref. 15) up to rotate the ball (Ref. 6) on position 1/ 2/ 3;
c)
Unscrew inserts of ways 0/1/3 (Ref. 2 –21 – 25);
d)
Remove the ball (Ref. 6), replacing it if the external surface results damaged;
e)
Unscrew and remove the first nut on the stem (Ref. 14), the wrench (Ref. 15), the second nut (Ref. 14), spring washers (Ref. 12) and the pressing
bush (Ref. 11);
f)
Remove the stem (Ref. 8) with the ‘V’ seal (Ref. 10) and the stem seal (Ref. 9);
g)
Replace seats (Ref.. 5) of the inserts (Ref. 2 – 21 – 25) and of the body (Ref. 1);
h)
Replace O-Rings (Ref. 3 – 23) and seals (Ref. 4 – 22) before reassembling the ends (Ref. 2 – 21 - 25);
i)
Reassemble the ball (Ref. 6) into the body (Ref. 1) keeping the down side male connection of the stem in axis with ways 2/3;
j)
Turn the ball (Ref. 6) up on position 1 – 2 – 0 and screw the insert of way 3 (Ref. 2) up to mechanical ledge;
k)
Screw inserts of ways 1&0 (Ref. 21 – 24) on the body (Ref. 1) without reaching the mechanical ledge;
l)
Turn the ball (Ref. 6) up on position 0 – 2 – 3 and screw the insert of way 1 (Ref. 25) up to mechanical ledge then turn the ball (Ref. 6) up on
position 1 – 2 – 3 and screw the insert of way 0 (Ref. 25) up to mechanical ledge;
m)
Rotate the ball for 2-3 times in order to be sure of ball center and reassemble the ‘V’ seal (Ref. 10) on the stem (Ref. 8), replacing it if damaged.
n)
Reassemble the pressing bush (Ref. 11), spring washers (Ref. 12), the nut (Ref. 14), the lever (Ref. 15), the top- nut (Ref. 14), and the pin stop (Ref. 13);
o)
Operate the valve 3-4 times in order to check that the rotation is free from defects (appropriate torque and uniformity of the ball rotation).
