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The Double Dump Valve Assembly by Posi-flate® is a low cost and low maintenance alternative to the traditional rotary airlock feeder and provides a positive seal that that can accommodate either full vacuum or pressure up to 100 PSIG. The air-operated seat inflates to provide a long-lasting high integrity seal and easily handles high cycling of dry granular or fine powdered materials.
Unit of Measure

Brands

 N/A Posi-flate®

Pressure Range

 N/A Up to 100 psig

Certification

 N/A National Electrical Manufacturers Association (NEMA) 12 National Electrical Manufacturers Association (NEMA) 4 National Electrical Manufacturers Association (NEMA) 4x National Electrical Manufacturers Association (NEMA) 7 National Electrical Manufacturers Association (NEMA) 9

Diameter

 N/A 2 to 30 in50 to 750 mm

Additional Information

 N/A The seat automatically compensates for wear when it inflates against the disc, extending valve life considerably. The Posi-flate® Double Dump Valve Assembly is available in carbon steel and stainless steel in sizes from 2 inch (50 mm) to 30 inch (750 mm) diameter and in any length desired. Other materials of construction are available upon request.