punker diffuser blower wheels have been custom-designed for un-housed use in HVAC applications such as air handling units (AHU), plug fans, or plenum fans.
Every blower wheel model in our diffuser product line has its unique advantages and displays its entire potential during operation – highest levels of efficiency, very high performance density and a pleasant noise spectrum characterize these products.
The new D-Series provides solutions for each and every challenge of your unhoused HVAC-application.
The D-Series’ models are available in up to 14 sizes from 225 to 1000 mm (9″ to 39 3/8″) diameter in one fixed width; with taperlock hubs or individual bolt-hole circle. The D-Series is compatible with various AC-/EC-motors and 50/60 HZ power frequency. The corresponding inlet cone ED 11 is equipped with blind rivet nuts for pressure tapping.
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