API design Butterfly Valve

Products Range Design: API 609 Face to Face: API609\\ISO5752\ASME B16.10 Flange End: ASME B16.1 CLASS 125\ASME B16.5 CLASS 150\ASME B16.47 Top Flange: ISO5211(According to customer's needs) Inspection: API598\EN12266-1\ISO5208 Size Range: DN50-DN1600/2"-64" Temperature: -40°C to +200°C (Depending on pressure, medium and material) Medium: freshwater\sewage\seawater\air\vapor\food\oils\medicine\ alcohol\salt Main Material List Body: CI, DI, WCB, WCC, LCB, LCC, CF8, CF8M, CF3, CF3M, C95400, C95800, SAF2205, SAF2507, F51, 1.4529... Disd: CF8, 304, CF3, 304L CF8M, 316, CF3M, 316L, SAF2205, SAF2507, F51, 1.4529, C95400, C95500, C95800, Monel.. Seat: Buna-N, NBR, EPDM, Hypalon, Neoprene, Viton, FKM, PTFE, Rptfe, Teflon, Natural Rubber... Stem: F410, F420, F430, F431, F304, F316, Monel 400, Monel K500 Features 1. ​Simple and compact construction, quick 90 degree on-off operation, Minimized operating torque, energy saving. 2. Bubbles-tight sealing with no leakage under the pressure test. 3. The connection of driven part conforms to ISO 5211. 4. Wide selection of materials, applicable for various medium. 5. The valve body and disc are accurately machined which results in low operating torque and long service life and reliability. 6. Can be disassembled, material-specific recycling possible.