butterfly valve with bare shaft series BUW6-CSE-B-3C; wafer type; length according to EN558−1R20; body carbon steel A216-WCB epoxy coated, disc AISI 316; shaft AISI 430; liner EPDM; nominal flange pressure PN10/16/ANSI150; medium temperature -10...+130°C; pressure range 0...16bar; DN 200mm; length 60mm; incl. inspection certificate EN-10204-3.1; for material, pressure and tightness