Dual Compartment Welded Railway Air Reservoir 11*17 Product Overview This dual compartment air reservoir is a heavy-duty welded air storage vessel specially designed for railway freight wagon air brake systems. As a core component of railway pneumatic braking equipment, it adopts an integrated welded air reservoir structure with an internal partition plate, dividing the tank into two independent sealed chambers with rated volumes of 11L and 17L respectively. Tailored for 120