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
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2 周前
2 个月前
