CRP has introduced its Fluoroflow range of fluoropolymer (PFA) lined products, designed for the demanding process conditions encountered in the chemical, pharmaceutical, paint and paper industries, as well as water treatment plants. Non-stick PFA liners are heat-resistant and almost totally chemically inert, making them suitable for service temperatures up to 200C. FluoroFlow products also have a high pressure/vacuum rating since their PFA linings are locked in place, typically by machined T-slots. Manufactured by Corrosion Resistant Products Ltd (CRP), the range includes wafer swing; wafer poppet and flanged spring check valves, tubular pipeline sight glasses, bulls-eye, and combination T-piece/bulls-eye sight glasses, as well as inline sampling valves. Since check valves are designed to prevent potential damage from backflow of process media, prolonged, maintenance-free service is a key benefit of the PFA moulded wafer swing designs. Incorporating a fully encapsulated, one-piece disc and hinge assembly, they are suitable for both ASME 150 and DIN PN 10/16 systems, with optional soft seats in Kalrez or Viton for gas applications. A spring assisted, wafer poppet check valve can be supplied with bolted, flanged ends offering standard valve face-to-face dimensions for either ASME or DIN process lines. Process-wetted parts in PFA, PTFE or Hastelloy, ensure continuous, high-cycle performance. Spring-assisted closing caters for horizontal or vertical installation, and the positively located poppet and spring are secure from mis-alignment. In its flanged version, the swing check valve is available with a choice of PFA-lined or stainless steel flanged ends.