Badger Meter Sanitary Valve - Manual (Page 9)

Page 9 9-11
Installation & Operation Manual
Figure 1: Valve-Actuator Separation
Valve Disassembly
Once the actuator has been separated from the valve, it is now possible to disassemble the valve.
1. Loosen the sanitary clamp holding the bonnet to the body by rotating the wing nut counterclockwise.
2. Remove the bonnet and trim subassembly from the body.
3. Remove the union nut from the innervalve.
4. Slide the valve stem and trim assembly out of the bonnet.
5. Remove trim through the bottom of the bonnet.
Once separated please inspect the following:
1. Valve Body Bonnet Gasket: Remove gasket and inspect for excessive wear, over tightening or other damage which
could cause improper sealing.
2. Valve Stem and Seat: Examine for excessive wear on the trim and seat (scratches, residue or knicks could cause
improper sealing).
3. O-ring: Inspect for abrasions or other damage that which could cause improper sealing.