Dual Ratio ValvesQuick release access access cover with safety Lock-Out

Float block image dual ratio

The External Dual Ratio Series of externally mounted Dual Ratio Valves is the quickest answer to converting existing single inlet chambers to dual inlet chambers.

The valve is designed with stainless steel construction, wear resistant seals and with further standard features including dual high speed "Posi-Seal valves.", quick connect self-sealing air fittings, and the material view port. The valve seating surface is highly wear resistant and can be spun 180 degrees to immediately provide another wear surface.

Complete with a simple to remove access cover and view port this unit comes ready to install and connect to most existing controls which supply a dual action signal. It also may be purchased with the Una-Dyn Dual Ratio, SCL, or SSL 2-Inlet controller.


● Stainless steel construction
● Wear resistant sealing surfaces
● Quick connect self-sealing air fittings
● Material view port
● 110 / 220 / 24 vac, and 24 vdc control available
● Exclusive "GB" finish which eliminates painting
● Posi-Seal valve seats


Piovan Group President’s message

23 March 2020 S. Maria di Sala, Venice, Italy

Dear Partners,
I would like to update all of our Stakeholders concerning the current operativity of Piovan Group during the medical emergency of COVID-19. Firstly, I want to reassure all of you that any choice and future activity have, as a primary aim, the health and safety of our Collaborators and of our Customers, duly following the regulations issued by the Governments where we operate.
All production sites, service & sales companies are operating with continuity.

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