**Features -Simple and compact construction, quick 90 degree on-off operation, Minimized operating torque, energy saving. -Bubbles-tight sealing with no leakage under the pressure test. -The connection of driven part conforms to ISO 5211. -Wide selection of materials, applicable for various medium. -The valve body and disc are accurately machined which results in low operating torque and long service life and reliability. -Can be disassembled, material-specific recycling possible. -Can be installed at the end of pipe for l ed type butterfly valve. **Technical data Design API 609\BS5155\EN593\GB/T12238\DIN3354 Face to Face API609\ DIN3202 K1\BS5155\EN558\ISO5752\ASME B16.10 Flange End ASME B16.1 CLASS 125\ASME B16.5 CLASS 150\ASME B16.47\BS EN 1092 PN6/PN10/PN16\JIS B 2220 5K/10K/16K\BS 10 Table D/Table E Top Flange ISO5211(According to customer’s needs) Inspection API598\EN12266-1\ISO5208 Size Range DN32-DN1200/1.25”-48” Temperature -40℃ to +200℃(Depending on pressure, medium and material) Medium freshwater\ sewage\seawater\air\vapor\food\oils\medicine\ alcohol\salt…   **Main Material List NO. PARTS MATERIALS 1 BODY CI, DI, WCB, WCC, LCB, LCC, CF8, CF8M, CF3, CF3M, C95400, C95800, SAF2205, SAF2507, F51, 1.4529…… 2 SEAT BUNA-N, NBR, EPDM, HYPALON, NEOPRENE, VITON, FKM, PTFE, RPTFE, TEFLON, NATURAL RUBBER…… 3 DISC CF8, 304, CF3,304LCF8M, 316, CF3M,316L, SAF2205, SAF2507, F51, 1.4529, C95400, C95500, C95800, MONEL….. 4 STEM F410, F420, F430, F431, F304, F316, MONEL 400, MONEL K500……