The document is a price list from Flomatic Corporation that highlights several new products, including:
1) Model 80E-VFD check valves designed for use with variable frequency drive pumps to minimize flow losses and hydraulic shocks.
2) Model 888S6/888S6R stainless steel wafer style check valves available in 2"-8" sizes.
3) Model 82DI-VFD check valves with male x male threads for connecting pumps to pipes in 2 1/2", 4", and 5" sizes.