Changing the valve action, Troubleshooting, Torque values – Jordan Valve Mark 40/46 Series – Float/Lever Operated Valve User Manual
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the seats should be full open; the orifices should
be in perfect alignment.
If the seats are not properly aligned, remove the
5.
spring pin (26) from the stem clevis (27), and re-
move the lever (31) from the slot in the stem clevis,
and loose locknut (14). Rotate the stem clevis in
180º increments, checking alignment after each
180º, until proper alignment is attained.
After proper alignment has been obtained, reas-
6.
semble the actuator assembly and recheck the seat
alignment. Replace the float and replace the valve
in the line.
Changing the Valve Action
Follow the procedure outlined in the Mark 711 I&M.
Troubleshooting
Excessive leakage or insufficient flow:
Valve seats may be out of adjustment. Check and
readjust if necessary.
Foreign material may be on seats. Clean the seats.
Float will not rise or drop:
Binding of seats, stem or linkage. Clean parts that
are binding.
Excessive pressure drop: reduce pressure with
pressure regulating valve (available from Jordan
Valve) or use longer level and/or larger float.
Torque Values
Torque bolts connecting valve cap to valve body to the
values shown in the sequence for your bolt pattern.
Valve Size
Cast Iron
Ductile Iron
Bronze
Carbon Steel
Stainless Steel
1/4” & 3/8”
70 in.-lbs.
150 in.-lbs.
1/2” & 3/4”
110 in.-lbs.
150 in.-lbs.
1” & 1-1/4”
120 in.-lbs.
150 in.-lbs.
1-1/2” & 2”
140 in.-lbs.
150 in.-lbs.
2-1/2” thru 6”
1080 in.-lbs.
1080 in.-lbs.
5
3
1
6
4
2
5
3
1
6 4
2
7
8
6 bolts
(or multiples)
8 bolts
(or multiples)