Griswold Pump Company”s three new Pump-Flo 17-inch 811 Series pump models complete the company”s ANSI B73.1 product line and are 100 percent compatible/interchangeable with many competitive B73.1 pump models. Griswold offers all 811 Series pumps in bare-shaft or base-mounted configurations. Griswold also offers ATEX-compliant bare-shaft models (classified II 2 GD c IIC TX) that feature the CE mark for importation into the European Union. Maximum flow rates to 7000 GPM (1590 m3/hr). Maximum heads to 310 ft (94.5 m). The pumps feature an epoxy-coated oil sump, oil level sight glass, SKF bearings, and Inpro/Seal bearing Isolators.