
(1) Be Sure to Read the Following Description of Our
Product Warranty.................................................................1
(2) General Operating Instructions........................................... 2
(3) General Instructions for Transportation, Unpacking
and Storage......................................................................... 3
(4) Names of Parts.................................................................... 4
(5) Comparison Between Working Temperature
and Pressure........................................................................ 5
(6) Installation Procedure......................................................... 6
(7) Operating Procedure..........................................................11
(8) Disassembly and Assembly Procedure for
Parts Replacement.............................................................13
(9) Installation Procedure for Handle..................................... 15
(10) Adjustment Procedure for Stopper on Gear Type.............16
(11) Inspection Items................................................................ 17
(12) Troubleshooting................................................................ 17
(13) Handling of Residual and Waste Materials...................... 17
Contents
User’s Manual
Fybroc® Wafer Style
Butterfly Valves
NM WSB Series:
Lever: 1.5” – 6” (40 – 150 mm)
Gear: 1.5” – 12” (40 – 300 mm)
Body Material:
Proprietary Black Polypropylene