butterfly valve with bare shaft; wafer type; double eccentric; length according to EN558−1R20; body and disc AISI 316, shaft AISI 630; seat Inconel 625; medium temperature -10...+425°C; pressure range 0...25bar; DN 200mm; length 61mm; nominal flange pressure PN10/16/26/ANSI150; incl. inspection certificate EN-10204-3.1; for material, pressure and tightness