... media with high hardness, erosive media containing soft particle6,Test Standard: ISO5208, API598 (JISB2003), API 6D, BS 67557 ... Rockwell hardness HRC90) are second after diamond.2, This valve has excellent wear resistance, corrosive resistance, ablative resistance, ... four times longer than that of Titanium alloy valve and Monel valve. Applicable Areas:power plant desulfurization, deslagging, and ...