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...
Butterfly valve is used for isolating or regulating flow and its function allows for quick shut off. There are many different kinds of butterfly valves, each adapted for different pressures and different usage in the industry.
Normal pressure: PN1.0/1.6mMPa
Suitable temperature: Normal temperature -45℃-150℃
Body: Cast iron/ductile iron/wcb/carbon steel/al-bronze/CF8, ss304/CF8m, ss316
Face to face: ANSI b 16.10, API 609, bs5155 short, ISO5752(series 13), DIN3202 f16
Medium: Fresh water, sewage, sea water, air, vapor, food, medicine, oils, alkalis, salt etc.
Seat: NBR/hypalon/EPDM/neoprene/nr/wear-resistant EPDM/viton/silicon/heat-resistant EPDM/white EPDM/EPDM/PTFE
End flange: ANSI b 16.1, ASTM b 16.47, en 1092, as 2129, ISO pn10/16, JIS b2212/2213, bs 10 table d, bs 10 table e, bs4504
1) Design and manufacture: API609
2) Test and inspection: API598
3) Face to face dimensions: API609, ANSI B16.10
4) End flange dimensions: ANSI B16.5, B16.47 SERIES A & SERIES B, DIN, BS, JIS
5) Butt-welding end: ANSI B16.25
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