Design&Manufacture:API6D,ANSI B16.34,BS1868
Bolted Bonnet, Swing Type Disc, Threaded or Welded Seat Ring
Back-seating,Revewable Seat Ring
Full Port Or reduced Bore Size Range:2 " to 48N.B
Pressure Ratings: ANSI150,300,600,900,1500,2500
End Connections: Flanged Bulttweld, Socket Weld, Hub Connectors, Compact Flange or other proprietary connections.