CBH-T11-L2RN,CBH-T11-L4RN,CBH-T11-L2SN,CBH-T11-L4SN,CBH-T11-L2RV,CBH-T11-L4RV,螺纹插装式平衡阀
CBH-T11-L2SV,CBH-T11-L4SV,