Features: 1) Body material: CS, SS 2) Glass material: boron silicon glass, quartz glass 3) Seal material: NBR, PTFE 4) Normal pressure (***): NP 0.6 - 2.5 5) Operating temperature: 0 - 200oC 6) Flanges of the valve are in accordance with HG20592-97 PN1.0. when need GB\SH\HGJ\JB\ANS\JIS