- FLOVAL designed, manufacture and supply the Floval Multifunctional Control Valve. FLOVAL can provide a Consulting, Installation, Technical, Maintenance and Operational service. Floval does valves, cut away valves, valve pressure, pressure valves, Multiple Functional Control (MFC) valves, mfc valves, Multifunctional Control Valve, low cost control valves, JASWIC, valve diaphragm, ISO 9002 ...www.floval.co.za