详细信息：产品介绍：一、主要性能规范:遵循规范STANDARD设计与制造GB12233/GB12235结构长度GB12221/JB96（长系列）结构长度GB78/JB79（GB、HG、SH）压力试验GB/T13927标志GB12220供货GB/T12252法兰连接截止阀（角式）设计与制造符合中国***标准1、基本结构形式：角式2、公称压力：PN1.6-4.0(MPa)3、公称通径：DN15-300（mm）二、角式截止阀1.6MPa主要连接尺寸：DNinLDD1D2fbz-φdDoH1H2W151/265/909565452144-φ141002402657203/475/9510575552164-φ141002452707.525180/10011585652164-φ141202502758.53221/495/105135100782184-φ18140260290124021/2100/115145110852184-φ1814029032514502115/1251601251002204-φ18160300335196521/21451801451202204-φ18180355400278031551951601352224-φ182404004504210041752151801552248-φ182404554955012552002452101852268-φ18280530560641506240/2252802402102288-φ233206056508520082753352952652308-φ23360650770155三、角式截止阀2.5MPa主要连接尺寸：DNinLDD1D2fbz-φdDoH1H2W151/265/909565452164-φ141202452707.5203/475/9510575552164-φ141202502758.825180/10011585652164-φ14140260290113221/495/105135100782184-φ18140290325134021/2100/115145110853184-φ1816030033518502115/1251601251003204-φ18180355400316521/21451801451203)