截止阀(焊接连接)Stop Valve Welding Connection型号公称通径公称压力工作压力主要结构尺寸阀体材质产品性能备注LDHD0温度介质J61H-3202032.0 17022270200 1Cr18Ni9Ti12Cr1MOVA≤425°C水Water蒸气Vapour油Oil J61H-3202532.0 17027270200≤425°C J61H-3203232.0 20032365250≤425°C J61H-3205032.0 35052466280≤425°C J61H-2502025.0 17022270200 20#≤425°C J61H-2502525.0 17027270200≤425°C J61H-2503225.0 20032365250≤425°C J61H-2505025.0 35052466280≤425°C