Type Solid taper wedge/Flexible wedge/Split wedge or Parallel discs ValveDesign Single Piece/Two PieceBody MaterialA105,WCB,CF8,CF8M,CF3,CF3M, Hast Alloy, Duplex ,Super Duplex, Aluminum BronzeSize Floating DesignDN15 to DN 600CertificateIBR & NON IBRClass & End Connection #150 to #2500 & Screwed, Socket Weld, Butt Weld , Flanged EndStandardsDesign:End:Testing Standard:Material Standard:Fire Safe Standard:BS1873,ASME B16.34,ASME B16.10ASME B16.5,ASME B16.11,ASME B16.25API598,BS6755 Part I,API600ASTM,NACE MR 0175/ISO 15156-1,2 &3, NORSOK 6 M650API607,ISO 10497,API6FAOperatorWheel, Gear, Motorized Gate-valve-DN50 Gate Valve-0.5