... Steel, Carbon Steel, Alloy Steel 2,Size: From1/8" to 64" 3,Standard: ANSI,DIN,BS e Pipie Joint/ ... Ring joint face flange Production standard: GB/T9112~9124-2000 JB/T81-94 ... PN10.0 PN16.0 Class: 150LB 300LB 600LB 900LB 1500LB 2500LB Classification of type: 1,PL SO WN SW ... FM T G RJ(RTJ)SIZE: 1/2” NB TO 48”NB DN15-DN2000 Application: Petroleum, chemical, machinery, ...