SPECIFICATIONS: ◆ Working Pressure: ANSI 4.5~600LBS. DIN PN 0.3~40. JIS 0.3~ 40KG/CM2 ◆ Test Pressure: Body: 1200 PSI. PN 80. 80 KG/CM2 ◆ Working Temperature: Max allowable 250℃ / 482℉ Body: Max 400℃ / 752℉ ◆ Thread end: BS21, ANSI B2.1 or DIN 259. ◆ Special order: for size 3/8” and Socket Weld end Acc. to ANSI B16.1 ◆ Max. back pressure should not exceed 80% of inlet pressure.