CAST STEEL 3-PCS BALL VALVE, TRUNION TYPE, CLASS 150, FLANGED ENDS, HANWHEEL Material:Carbon Steel,Alloy Steel, Stainless Steel etc. Pressure:CLASS 150/300/600/900/1500/2500 Connect: RF,RTJ, Butt-welding etc. Size:2"~36" Design Standard: API605 OR API6D OR MSS SP-44 Test And Inspect Standard: API598 OR API6D