Bladder Surge Tanks (BST) Product Highlights Sizes from 40 gallon - 10,000 gallon Available in stainless steel or epoxy coated carbon steel Pre-charged bladder to control pressure transients UL and FM approved products available Support designed in accordance to UBC seismic standards Young Engineering Bladder Surge Tanks (BST) absorb and control surge energies, increasing the life of the components of a system. BSTs are large-capacity units used in applications such as water pumping stations, municipal water and fuel handling applications. Standard sizes ranges from 40 to 10,000 gallons, with design pressures of 275 and 500 psi. Units are provided with supports built to UBC seismic standards. Products are designed, manufactured and tested in accordance with ASME and most are available with UL and FM approval. Horizontal and vertical BST designs include specially designed patented floor-plates and nozzle assemblies which allow for greater water flow and maximum bladder performance. Importantly, our BSTs are self-contained units that require no on-site air compressor. Air compressors are required to maintain air levels in bladderless surge tanks can be noisy and equate to additional maintenance, regulating equipment and electrical needs, resulting in higher operating costs. New Accessories for BSTs Fire Manufacturer Representatives