DJ41Y-25P低温截止阀 J41F46-16C聚全氟衬里 J11Y锻钢截止阀 J41H-300Lb美标截止阀 BJ41W保温截止阀 WJ41H波纹管法兰截止阀 J41B-16/25/40氨用 Jy41W/Y氧气专用截止阀 J41N-25/40液化气截止 J61Y压力自紧式阀盖 J61Y焊接式截止阀 J11H-64锻钢截止阀 J41H-64C锻钢截止阀 BJ45型保温截止阀 J41W国标截止阀 J11H-16C苏式精铸机截止 TJ40H-16C手动调节阀 NKJ41H真空隔离截止阀 DS/J61H水封截止阀 J/L11W手动截止阀 JL47H/Y平衡角式截止/节 J44H/Y角式截止阀/节流阀 WJ41W国标波纹管截止阀 G41F46隔膜阀 JLH41H/Y防火型截止/节 J945Y钢制截止阀 J41W-600Lb美标截止阀 WJ/Z41H/Y锻钢波纹管阀 YJ43H/Y锻钢Y型截止阀 GFYP4Y型料浆阀 WJ41H德标波纹管截止阀 J541H/Y J941H/Y 铸钢直通式截止（节流）阀 J41T/W/X-10/16Q铸铁法兰截止阀 J47Y L47Y角式平衡截止阀（节流阀） J961H/Y-P54100V/P54140V J561H/Y 电站截止阀 J44W/Y不锈钢角式截止阀 J11T-16铸铁丝口截止阀 J41H/Y 铸钢直通式截止阀 J61H、J61Y铸钢自紧密封电站截止阀 J41H-16C J41Y-25C国标铸钢法兰截止阀 BJ45H/W角式保温截止阀 BJ41W不锈钢保温截止阀 WJ41H/W铸钢波纹管截止阀 DJ11Y 锻钢低温截止阀 UJ41H（F/N）铸（锻）钢柱塞（截止）阀 J48F/N J49F/N J68FN J69F/N铸（锻）钢柱塞（截止）阀 BJ45H/W铸钢夹套保温截止阀 J61H/Y J11H/Y锻钢自紧密封截止阀 J41H/Y J61H/Y 锻钢自紧密封截止阀 J L44H/Y J344Y/R高压角式截（止回、节流）阀 氯气专用阀