Home / Standards / JB/T 2001.23 JB/T 2001.23 Standard Type JBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A 📋 Scope / 适用范围 ai_extracted 本标准规定了丝堵的型式、尺寸及技术要求。 本标准适用于公称压力31.5 MPa各类阀体的通道丝堵。 Content extracted by AI. Not officially verified.