DN:50~2000mm

Length: GB12221-89 ANSI B 16.10

PN: 1.0~6.4MPA Class 150~300Lb

Standard: JB/T8527-97

Connection: flange: JB/T 79-94,GB9112~9113-88,HGJ44~76-91,ANSI B16.5

                  weld: GB 12224-89 ANSI B16.25

Temperature:-40a??~300a?? -50~450a?? -101~600a?? -196~800a??

Medium: water, gas, oil etc.