DescriptionFully welded ball valve's body is of spheroid and is all welded structure,Website: ,which makes the valve can bear more higher pressure and bending movement, can undertake high pressure from inside and outside, customer can choose different material combination to make sure the valves can work successfully under the condition of corrosion, such as acid gas.Structure Characteristics1,fully welded construction2,design according to API 6D3,floating mounted and self-centering spring bearing seat 4,trunnion mounted ball type, low torque5,single piston design  with self-relieving seat  and double piston design is available6,stem estension is available7, fire proof design according to API 6A and BS6755 and anti-static designValve materials Body material : A105,LF2,F304, F316, Ball material : A105+ENP, LF2+ENP, F304, F316. Stem material :410,17-4PH,LF2,F304, F316. Seat material : A105+ENP, LF2+ENP, F304, F316.Seat insert : PTFE,NYLON,PEEK,VITON Applicable standard for Valve :Design and Manufacture according to: API6D,ASME B16.34Length of Face to face : API 6D, ASME B 16.10 Flange end: ASME B 16.5, ASME B16.47Butt weld end : ASME B16.25 Test and inspection standard: API 598, API 6D, ASME B16.34NPS : 2''-64'' ( 50mm - 1600mm )Pressure range : 150 class - 1500 classDimension (150 class pressure for reference) Unit:mmSize2’’2 1/2’’3’’4’’6’’8’’12’’14’’16’’18’’20’’L (RF)178191203229394457610686762864914L(BW)216241283305457521635762838914991H100110130151201254368372407489529