FJ41 PN16~PN160 节流截止放空阀WJ41H、WJ41W 波纹管截止阀J41F4-16、J41F46-16 衬氟截止阀J41N 燃气截止阀专用J41F-16C/J41F-16R 铸钢截止阀J41H、J41Y、J41W 截止阀J41W截止阀 型 铸钢材质J41Y 型 PN16~PN160 铸钢截止阀J41H铸钢截止阀 PN16~PN160J21H/W PN160 外螺纹截止阀DS/J61H 水封截止阀JY41W、JY41Y 氧气截止阀专用锻钢截止阀抗生素截止阀J61H、J61Y 高温对接焊电站截止阀J13、J23 仪表针形截止阀J21H、J21W 外螺纹铸钢截止阀J21W-16C6L 外螺纹不锈钢截止阀BJ45H、BJ45Y、BJ45W 保温截止阀J40HX-16G 柱塞截止阀DJ41Y、DJ41W 低温截止阀美国彪维JLA3-16截止阀 角式截止阀J44h 高压截止阀 1Pages 23Displaying results