RESILIENT-SEATED CARTRIDGE STYLE
FNW7XX
BUTTERFLY VALVE
INSTALLATION INSTRUCTIONS
FNW.COM
We reserve the right to modify or improve the designs or
specifications of our products at any time without notice.
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16. Lever
•
Install the locking plate indicated over the stem. Friction tab may need to be slightly
twisted for a new hold.
•
Install lever over stem and tighten set screw.
•
For 2" to 8" valves, install the lever washer and bolt.
•
Ensure that the close position of the lever closes the valve and tighten all bolts.
17. Gear
•
The hand wheel shaft should be perpendicular to the pipe after installation.
•
Make sure the gear position matches the position of the valve. Position is
indicating on the top plate of the gear.
•
If there is a make-up sleeve for the stem, place it over the stem at this time.
•
Set the gear on the stem and secure with bolts and lock washers.
•
Ensure that the disc is fully closed when the gear-operator is in the closed position.
Adjust as needed.
17. BUTTERFLY VALVE DISASSEMBLY
The valve can be disassembled in the reverse order of the assembly instructions. Note the following to ease disassembly and to help
protect valve components.
•
Materials and number of parts can vary by size and configuration.
•
Use of a lubricant is recommended for disassembly of disc from seat. Make sure the lubricant used is compatible with the valve
materials and the service the valve is used in.
•
Component tolerance can be rather tight. It may be necessary, depending on the size of valve, to use mechanical means to remove all
components.
•
Make sure a clean area is available to work in and to place disassembled parts.
•
Parts should be protected from dirt, dust and possible damage.
13. Screw the lower stem plug in place using
a hex wrench. Do not overtighten the plug on
lower stem.
14. If facilities are available, test the valve for
torque and shutoff.
15. The valve is now complete and ready for
installation of hand lever or gear operator.