Product Description Applying Specification Design and Manufacture: According to API STD. 600 Length of Structure: According to ANSI B16. 10 Type and Size of Flange: 150/300/600Lb according to ANSI B16.5 JIS 10K, 20K according to JIS B2212-B2214 Inspection Standard: According to STD. 598 Performance Standard Item Mpa Psl Temperature Medium Intensity Testing 3.0 450 d200?C Nitric Acid High Pressure Sealing Testing (Water) 2.2 314 Nitric Acid Acetum Low Pressure Sealing Testing (Air) 5~7 bar Nitric Acid Acetum Standard Material of the Main Parts Part Name Material Body, Bonnet WCB CF8 CF3 CF8M CF3M Wedge Disc WCB CF8 CF3 CF8M CF3M Stem 1Cr13 F304 F304L F316 F316L Stem Seal Graphite PTFE PTFE PTFE PTFE Gasket Graphite+304 PTFE+304 PTFE+304L PTFE+316 PTFE+316L Board WCB CF8 CF3 CF8M CF3M Stem Seal Ring 1Cr13 304 304L 316 316L Bolt 35CrMoA A193-B8 A193-B8 A193-B8M A193-B8M Nut 45 A194-8M A194-8M A194-8M A194-8M