Hydraulic double eccentric metal hard seal butterfly valve. The double eccentric design avoids scraping between disc and seat, extends service life. Widely used in large-diameter water conservancy and flue gas pipelines.
Size: DN300~DN2400
Pressure: PN6 / PN10 / PN16 / PN25
Body: WCB / CF8 / CF8M
Seal: Metal hard seal
Operation: Hydraulic actuator
End connection: Flanged
Temp range: -29℃ ~ 425℃
Double eccentric structure, reduce friction between disc and seat while opening
Metal hard sealing, good tightness, wear-resistant
Hydraulic actuator, large torque, run smoothly for super large DN
WCB cast steel body, high rigidity, stable under heavy load
Suitable for water conservancy, water supply, sewage, flue gas pipeline
Design & Manufacture: GB/T 3036, API 609
Pressure Test: GB/T 13927, API 598
Flange: GB/T 9113 / ASME B16.5