St Paul, Minnesota 55110


About Posi-flate

Manufacturer butterfly valves

Product Summary

Posi-flate manufactures inflatable seated butterfly valves for a wide variety of dry bulk granular solids.


1125 Willow Lake Blvd
St Paul, Minnesota 55110
(651) 484-5800
(651) 484-7015

More Info on Posi-flate

Posiflate Logo 5f160d784442a

Posi-flate manufactures the Series 585/586 inflatable seated butterfly valves which are designed for the most the most severe of applications. The heavy duty seat has been designed for higher operating pressures and temperatures. Standard valve sizes range from 2" (50 mm) to 24" (600 mm) and fit both ANSI and metric flanges. The Posi-flate valve is ideally suited for very 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. The valves are available in a wide variety of construction materials including stainless steel and aluminum.

Articles & News

Courtesy of Posi-flate
Posi Flate 585 With Actuator 4x6 644bd893a97d9
News & Notes

Heavy-duty butterfly valves

May 26, 2023
Series 585/586 inflatable seated butterfly valves are designed for high operating pressures and temperatures and abrasive applications such as sand, feldspar, fly ash and most...
Courtesy of Posi-flate
Tork Mate Actuator 62698d5a04ad2
Valves & Actuators

Product Focus: Extended-life pneumatic actuators

June 3, 2022
Tork-Mate 890 series pneumatic actuators achieve up to 15 million cycles maintenance-free, at low cost.
Courtesy of Posi-flate
Posi Flate 585 With Actuator 4x6 622244b46c7f0
Valves & Actuators

Product Focus: Heavy-duty butterfly valves

March 7, 2022
Series 585/586 inflatable seated butterfly valves are designed for severe applications.

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