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Assembly of KFO-1156 High Temperature Trim Floating Ball Valve
6. Apply "Castrol Optimol paste TA" on the screws and insert
them into the packing gland. Slightly pre-tighten them by
hand.
7. Compress the packings to the assembly compression;
Tighten the screws incrementally to the torque specified on
the table from Page 9 or 10.
8. Rotate the stem 5 times
NOTE: Always cycle in COUNTER-clock direction to open the
ball, and in clockwise direction to close the ball.
9. Remove the packing gland and the gland tube.
10. Repeat steps 4, 5, 6, 7 & 8, to get the stack of 8 packing
rings; alternate 4 Graphite packing rings (thick) & 4 Diffusion
barrier rings (thin).
11. Install the Threaded
Packing Gland (#8) over the valve
stem:
11.1 Threaded packing gland sizes: 1/2”-2” Cl.150 & 300, 3”
Cl.150, DN15-50 PN10-40 & DN80 PN10-16.
11.1.1 Rotate the press nut (#8) clockwise until it is lightly
compressing the packing (#13).
Note: Care must be taken to not cross-thread the press nut
(#8) and the body (#1).
Seat Assembly of KFO 1156 (High Temperature Trim)
12. Insert wiper ring (#15) into the body part (#1) & gently
push it into body groove.
Figure 9
Содержание TUFSEAT Performance Series
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