GasPackRetro-fit conversions for process air dryers

Float block image gaspack

The Una-Dyn GasPack utilizes natural gas to heat process air entering the hopper of a process dryer or crystallizer. Flames are isolated from the process air flow using an indirect fired heat exchanger. As part of an original configuration or as a retrofit, the GasPack easily adapts to transform equipment into a clean natural gas system. Experience near zero emissions from the exclusive high intensity distributive flame burner.

Digital temperature control maintains temperatures up to 400°F with a throughput range of 500 - 4500 CFM.


● Exclusive non-ceramic burner
● Constructed of corrosion resistant stainless steel
● Digital temperature control
● Process high intensity distributed flame radiant gas burner
● AGA/UL approved flame controller, valves and controls
● Compliant with national fire protection association (NFPA86) and FM
● Propane units optional
● Free energy analysis


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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