Main Features: For the structure of the triple-eccentricity seal butterfly valve, when the valve is under the complete open state, its butterfly plate sealing face will break away from the valve seat sealing face completely; when it is opened from 0 to 90°, the butterfly plate sealing face will...
U type flange butterfly valve
Size: DN40 - DN1200
Design: ISO 5752 / BS 5155 / API 609
Body: Cast iron, Ductile Iron
Seat: EPDM, NBR
Stem: Stainless Steel, Steel
Disc: Ductile Iron with Nickel Coating,Ductile Iron with Nylon Coating, Stainless Steel 304/316, Al-Bronze
Flange Connection: DIN, BS, ISO, ANSI, AS, JIS
U type flanged body style fit between FF or RF flanges
Suitable Medium: water, sewage, sea water, air, foodstuff, oil
Working temperature: -10ºC - 150ºC
Suitable for gear operators, electric and pneumatic control actuators.
Nominal Diameter (mm) 700-1200
Nonminal pressure (Mpa) 0.6/1.0
Seal testing pressure (Mpa) 0.66/1.1
Shell testing pressure (Mpa) 0.9/1.5
DINPN10/PN16, BS4504PN10/PN16, ANSI class125#/class150#
Face to face
Ductile iron/Cast iron
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