J41H-16C J41Y-16C J941H-16C 铸钢蒸汽截止阀 电动法兰截止阀

高温高压蒸汽截止阀 J41H-40C J541H-40C J941H-40C 导热油电动截止阀

手动高压截止阀 J41H-100C J541H-100C J941H-100C 高温蒸汽电动截止阀

铸钢高压截止阀 J41H-64C J541H-64C J941H-40C 高温蒸汽电动截止阀

锅炉蒸汽截止阀 J41H-160C J541H-160C 高压电动截止阀 J941H-160C

锅炉蒸汽焊接截止阀 J61H-16C J561H-16C J961H-16C 铸钢对焊截止阀

铸钢 碳钢蒸汽截止阀 J61H-025C J561H-25C J961H-25C 导热油截止阀

J61H-10C J561H-10C J961H-10C 铸钢 碳钢焊接截止阀 电站对焊蒸汽截止阀

电站高温高压蒸汽焊接截止阀 J61H-160C J561Y-160C J961Y-160C

手动焊接高压截止阀 J61H-64C J561H-64C J961H-64C 电动蒸汽焊接截止阀