一、内螺纹三通球阀主要零件材质零件名称材质GBASTM阀体、阀盖WCBA216-WCB密封圈PTFE、对位聚苯PTFE、对位聚苯球体1Cr18Ni9TiSS304阀座、阀杆2Cr13A246-416双头螺柱35CrMoAA193-B7二、内螺纹三通球阀主要性能规范公称压力(MPa)试验压力壳体高压液密封低压气密封1.62.41.760.62.53.752.754.06.04.4CLASS1503.O2.2适用介质水、油品、气等非腐蚀介质和酸碱腐蚀介质适用温度-28-350℃应用规范连接法兰JB79-59、GB9113、HG20592-97、ANSIB16.5检验试验GB9/T9092-99、API598三、内螺纹三通球阀主要外型尺寸表SIZEdLHD1BFGW1W2h1/2″12.7755912671.033.537.522.435.010-20NC3/4″16856412681.539.042.522.435.010-20NC1″2010080145102.050.551.522.435.010-20NC11/4″2511590145108.551.057.525.438.110-20NC11/2″32125962041210158.063.025.438.11/4-20UNC2″38.1148106204138.565.573.025.438.11/4-20UNC)