... of spheroid and is all welded structure,Website:http://www.hugo-valve.com,which makes the valve can bear more higher pressure ... of corrosion, such as acid gas.Structure Characteristics1,fully welded construction2,design according to API 6D3,floating mounted and self ... F316.Seat insert : PTFE,NYLON,PEEK,VITON Applicable standard for Valve :Design and Manufacture according to: API6D,ASME B16.34Length of ...