HX models can be employed in explosion-endangered areas, and even satisfy EEx-d stipulations. They feature enclosures clad in steel plate (RAL 7000), or are housed in stainless steel, like the HS models, for use in contact with aggressive media. They have heat exchangers made of Cu/Al, Cu/Cu, galvanized steel, or stainless steel (1.4571). Their pressure-encapsulated external-rotor motor offers the required explosion protection as well as does the special surface treatment of the fan blades, which prevents the production of sparks. With 4 model sizes, HX systems cover the air-rating range up to approx. 9000 m³/h, and heating output up to approx. 70 kW

The models are available not only in recirculated-air variants, but also in mixed-air versions. They conform to ATEX guidelines. HX models also offer the perfect complement to GEA RoofJETT roof extract fans in EEx versions for potentially explosive atmospheres.

Summary of HX features:

• Four model sizes
• Heat exchangers made of Cu/Al, Cu/Cu, galvanized steel, or stainless steel
• Especially coated fan blades
• Two air outlets for wall installation
• Five air outlets for ceiling installation
• Industrial enclosures clad in steel plate or housed in stainless steel