A six-way valve to perform different functions in an hydraulic circuit: filtration, emptying, shut off, backwashing, circulation and rinsing of the filtrer. Its functional design, offers a wide range of possibilities of connection in any installation assuring a perfect sealing and easy operation. When designing and choosing appropriate materials for manufacturing the different Multiport valve components, extreme care has been taken for assuring minimum friction and resistance, maximum security and an attractive finish. Housing, cover and handle are made of ABS, distributor in PPO, gaskets in EPDM and metallic components in S.S. New generation of manual multiport valves which incorporate a bayonet closing system (replacing bolts). This eases dismantling for maintenance and prevents rust.