1、GB 3289.21-82续表公称通径Dgb公称通径Dgabmminmmmminmm322514i4042802033446664082X143138802531506840101t/2x 3/834398032314557040151/2/235428040311/2587240201/2*34384380503262402512141458065321/2727540321214548901531/2x1/24771508243445902031/23/4507350102x33746902532154755015223848903231/211/4577750202x3/A4149904
2、03/21/26078502521445190503226580503221/44854906531/221/2748250402 x1252559080323808565152/2x 1/24157100154250796520223A44581002043/45480652522x148601002541578365X322/2 11/52100324 11/461628665402/212551004041/2636550222606510050426987801543651006542/27890GB3289.21-82续表公称通径Dgb公称通径Dgaabmminmmmminmm100
3、80438391150206346010810090432909515025616411012520534559615032611/46711312525516097150406111270114125325146215050627511510012540511/266150656.21128511812550527210315080639212012565521/2811051509063/z9712512580538710715010064102125905329310915012565116128125100541001112结构尺寸按GB3289.1-82。3技术条件技GB3287-82。检验规则按GB3288-82。
