Asme b16.9 reducer 1) Size: 1/2"-48" 2) Varieties: SCH20, SGP, STD, SCH40, SCH80, SCH160 3) Standard: ANSI B16.9/16.28 ... Asme b16.9 reducerDetailed Product Description1) Size: 1/2"-48 ... " 2) Varieties: SCH20, SGP, STD, SCH40, SCH80, SCH160 3) Standard: ANSI B16.9/16.28, ASTM,API 5L, DIN2605/2615/2616 ASME ...