Main Features: The turning center of the butterfly plate is on the center line of the valve body and the sealing face section of the butterfly plate. In closing, the ex-circle sealing face of the butterfly plate will extrude the valve seat made of synthetic rubber, generating elastic deformation...
Size Range: 2" - 64"（DN50 - DN1600）
Normal pressure: PN1.0/1.6MPa
Temperature: -40°C - +200°C (Depending on pressure, medium and material)
Medium: freshwater\ sewage\seawater\air\vapor\food\oils\medicine\ alcohol\salt
Design: API 609
Face to Face: API609\\ISO5752\ASME B16.10
Top Flange: ISO5211(According to customer's needs)
Flange End: ASME B16.1 CLASS 125\ASME B16.5 CLASS 150\ASME B16.47
Main Material List
Body: CI, DI, WCB, WCC, LCB, LCC, CF8, CF8M, CF3, CF3M, C95400, C95800, SAF2205, SAF2507, F51, 1.4529...
Seat: BUNA-N, NBR, EPDM, HYPALON, NEOPRENE, VITON, FKM, PTFE, RPTFE, TEFLON, NATURAL RUBBER...
Disc: CF8, 304, CF3, 304L CF8M, 316, CF3M, 316L, SAF2205, SAF2507, F51, 1.4529, C95400, C95500, C95800, MONEL..
Stem: F410, F420, F430, F431, F304, F316, MONEL 400, MONEL K500
A. Simple and compact construction, quick 90 degree on-off operation, Minimized operating torque, energy saving.
B. Bubbles-tight sealing with no leakage under the pressure test.
C. The connection of driven part conforms to ISO 5211.
D. Wide selection of materials, applicable for various medium.
E. The valve body and disc are accurately machined which results in low operating torque and long service life and reliability.
F. Can be disassembled, material-specific recycling possible.
Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of Ansi design Butterfly Valve in China. If you want to buy quality product of various beautiful bags, you can get it at a cheap price from us.