ITEM:NPT CAP PRESSURE: 2000LB, 3000LB, 6000LB, 9000LB MATERIAL: CARBON STEEL, STAINLESS STEEL Features:1)Size: 1/8" -4"2)Joint: SW / NPT / BSP3)Standard: 1. ASME, B16.11, B16.9 2. GB12459- 90 3. GB/T13401-92 4. GB/T21635 5. GB/T216344)Pressure: 2000LB, 3000LB, 6000LB, 9000LB5)Material: Carbon steel, Stainless steel: (1Cr18Ni9Ti, Cr18Ni9, 0Cr19Ni10, 0Cr17Ni12Mo2Ti, 304, 304L, 316, 316L etc)Carbon ...