NAME: LAP JOINT STUB ENDS MATERIAL:A234-WPB.A420-WPL6.A234-WP12.A234-WP11.A234-WP5.A403-WP304.A403-WP304L.A403-WP316.A403-WP316L. SIZE:1/2"-48" DN15-DN1200 PRESSURE:Sch5-Sch160 XXS STANDARDS:ISO, ANSI. JIS. DIN GB/T12459 GB/T13401 ASME B16.9 SH3408 SH3409 HG/T2163 HG/T21631 SY/T05010 USE: FITTED WITH FLANGES Petroleum, chemical, power, gas, metallurgy, shipbuilding, construction, etc.