Product Name: U Type Butterfly Valve

U Type Butterfly Valve

The Standard of U Type Butterfly Valve :

     Design standard conform to: MSS SP-67, API609, EN593
     Connection flange conform to: DIN PN10/16/25, ANSI B16.1, BS4504, ISO PN10/16,
     JIS B2212/2213, BS 10 Table D, BS 10 Table E
     Top flange conform to: ISO 5211
     Face to face conform to: API609, ISO5752 series 20, BS5155
     Test standard conform to: API598

The Design characters of U Type Butterfly Valves:

     1.Correcting holes are made on flange according to standard, easy correcting during the installation.
     2.Through-out bolt or one-side bolt used. Easy replacing and maintenance.
     3.Shaft and disc connected by pin, torque screw or non pin, to achieve the opening and closing.

The Performance of U type U Type Butterfly Valve:

    Nominal Diameter:DN50-DN1200
    Nominal Pressure PN (MPa): 1.0, 1.6, 2.0, 2.5

    Testing pressure (water) Ps (MPa)
         Body seat: 1.5 times rated pressure
         Seat test:  1.1 times rated pressure