... .0 (Please indicate in purchase contract if you need GB, SH, HGJ, JB, ANSI, JIS or change the degree of the ... -80~+450°CConnectionFlanged, butt weldedTesting standardHG/T 21637-1991Flange standardGB, SH, HGJ, JB, ANSI, DIN, JISWork pressure0.6~5.0MPa 150 ...