Manual Control The manual butterfly valve incorporates a lockable handle to open and close the valve. The heavy duty, PVC covered handle consists of a pointer to indicate percent open and setscrew to lock the damper in position.
- 14 gauge, Type 304 Stainless Steel Construction
- Triple layer valve plate construction
- Vulcanized black silicone gasketing for reliability and long product life
- Individually pressure tested
- One end of the valve is enlarged opening to accommodate the nominal duct diameter making the installation easier