The W-shaped regenerative technology-based radiant tube, a commonly adopted indirect-heating equipment item, has been well geared into various industries. This paper effectively amplifies our previous research and experimentally presents the research object, the W-shaped regenerative radiant tube (RRT), with 100 Kw rated power capacity and the performance tuned. Accordingly, four configuration schemes with the geometrically modified regenerative radiant tube burner (RRTB) are proposed in contrast to the previous one, to ascertain how the configuration of secondary stage air vent influences the performances of W-shaped RRT. Furthermore, how the switching time as an important operational parameter affects the performances of W-shaped RRT is meantime researched. As the results bespeak, in contrast to the previous one, the RRTB proposed in the experiment outstrips the previous one in the gained familiar M-shaped axial tube wall temperature profile while higher heating capacity, better tube wall temperature uniformity and lower NOX emission with this novel RRTB. The switching time increase from 30 s to 60 s lowers the overall tube wall temperature and NOX emission, whereas the maximum tube wall temperature approaches to the RRTB when the switching time exceeds 60 s. The attained experimental results lay the theoretical foundation for guiding industrial production of such heating equipment item.