WJ41W-40C DN20不锈钢硬密封零泄露波纹管截止阀

WJ41W-40C DN20沥青导热油蒸汽不锈钢波纹管法兰截止阀 ¥190.00

明杆硬密封截止阀WJ41W-40C DN25锅炉蒸汽法兰式截止阀 ¥210.00

WJ41W-40C DN32铸钢波纹管截止阀产品型号尺寸 ¥240.00

WJ41W-40C DN40手动导热油阀门高温蒸汽截止阀 ¥280.00

WJ41W-40C DN50蒸汽导热油高温截止阀 节流截止阀 ¥360.00

WJ41W-40C DN65铸钢波纹管截止阀概述:波纹管截止阀图片 ¥390.00