DeZURIK
BHP High Performance Butterfly Valves
November 2015 Page 9 D10503
Replacing Packing (Continued)
i. Tighten the gland nuts (A15) finger tight and torque the nuts evenly to the value in Table A for
Class 150 valves and in Table B for Class 300 valves. Continue with step 10 on page 16.
PTFE V-Flex Packing Option (TC)
The new packing (A11) consists of one bottom end ring, three or more chevron rings and one top end
ring.
Figure 3 – Packing Option (TC)
a. Place the packing in the body, one ring at a time, in the configuration shown in Figure 3. Do not
lubricate.
Start each chevron ring into the packing chamber at a slight angle and push each ring
carefully into position so that the sealing lips do not bend over.
b. Place the packing washer (A10) into the packing chamber.
c. Install the retaining ring (A46) into the groove in the shaft.
d. Replace the gland (A12) and the two gland nuts (A15). Tighten the nuts finger tight, plus ½ turn.
e. Continue with step 10 on page 16.
To Next Page
Loading...
Need help?
General