Inflatable Seated Butterfly Valve

Description

The Posi-flate inflatable seated butterfly valve is ideally suited for abrasive materials such as sand, feldspar, fly ash and most other dry, granular materials which reduce valve life. The inflatable seat design provides a better seal by utilizing air pressure to expand the seat against the disc, providing more sealing area and an even pressure distribution against the disc every time. The seat automatically compensates for wear when it inflates against the disc, extending valve life considerably. Standard sizes range from 2” (50mm) to 30” (750mm). The valves are available in a wide variety of construction materials including stainless steel and aluminum.

Specs

• Temperature limits: -40° to 300° F (-40° to 150° C), varies with application and materials of construction. • Air supply: 115 PSIG (7.9 bar) maximum to seat, varies with application. • Working pressure: Full vacuum to 100 PSIG (6.9 bar), varies with materials of construction. • Operating torque: Varies with application.
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