Z41H-40C DN50铸钢耐高温法兰闸阀手动蒸汽锅炉导热油碳钢阀门 ¥101.00 Z41H-40C DN65铸钢法兰耐高温闸阀高压锅炉蒸汽油 ¥101.00 Z41H-40C DN80铸钢耐高温法兰闸阀手动蒸汽锅炉导热油碳钢阀门 ¥101.00 Z41H-40C DN100铸钢法兰手动闸阀耐高温锅炉蒸汽导热油碳钢阀门 ¥101.00 Z41H-40C DN125碳钢铸钢法兰闸阀高温蒸汽导热油锅炉阀门 ¥101.00 Z41H-40C DN150铸钢法兰闸阀手动耐高温蒸汽锅炉导热油碳高压钢闸板阀 ¥101.00