... , (Material A105, Q235) 150LB, 300LB, 400LB, 600LB, 900LB, 1500LB, 2500LB WNRF, WNFF, SORF, SOFF, THRF, SWRF, LJRF flanges4. JIS flanges (SS400 ... , 10K, 16K, 20K, 30K, 40KSOPFF, SOPRF, SOHFF, SOHRF, BLFF, BLRF, WNRF, WNFF flanges 5. Italy flanges (MaterialRst37.2, S235JRG2, A105) UNI2276 ...