陶瓷截止阀J61TC-16C
气动截止阀J641H-16C/25/40
不锈钢法兰截止阀J41W-16P
美标波纹管截止阀YDAWJ41-150LB
波纹管截止阀WJ41H-25
德标波纹管截止阀WJ41H-16C/25
高压截止阀J44Y-160/320
电站截止阀J961Y-P54/100V
水封截止阀DS/J61H-16C
真空截止阀NKJ41H-16C/25/40