The FK is a butterfly valve for shutting off or regulating flow, with structural characteristics that make it ideal for industrial applications requiring high performance and long-term reliability. This valve is also equipped with the customisable Labelling System.

- Interchangeable Disk in PVC-U with through shaft, available in different thermoplastic materials: PP-H, PVC-C, ABS, PVDF
- Overall dimensions of the valve in accordance with standard ISO 5752 (DN 40·200 Medium Series 25, DN 250· 300 Long Series 16) and DIN 3202 K2 and ISO 5752 (DN 65·200 K2, DN 250·300 K3)
- Can also be installed as an end line valve, bottom discharge valve or tank dump valve
- Special Lug version PN 10 fully drilled to DIN 2501 or ANSI B16.5 cl.150 with molded-in AISI 316 stainless steel threaded inserts
- Valve material compatibility (PVC-U) with water conveyance, drinking water and other food substances according to current regulations
- Possibility of installing a manual reducer or pneumatic and/or electric actuators by applying an ISO standard drilling PP-GR flanges. DN 40·200 valve fitted with plate with rack in PP-GR. For actuated versions with flange drilled according to ISO 5211 F05, F07, F10. DN 250·300 valve, fitted with one-piece top flange in high mechanical strength PP-GR with mounting flange for internal components drilled according to standard ISO 5211 F10, F12, F14