J61Y-170V/320带散热铬钼钒钢对焊针型阀电站高温高压仪表截止阀

QGQY1-64P不锈钢气源球阀304单卡套内螺纹高压气体开关阀碳钢316 ¥9.00

QGY1-64P不锈钢双卡套气源球阀304高压气体阀仪表阀316碳钢开关 ¥9.00

QGM1-64P不锈钢压力表球阀304高压内螺纹M20*1.5仪表阀门碳钢316 ¥9.00

Q11F/SA-64P不锈钢内螺纹气源球阀304高压气体丝扣阀门碳钢PN100 ¥9.00

QGAY1-64P不锈钢气源取压球阀304高压气体手动法兰卡套阀门316 ¥9.00

Q21F-64P不锈钢焊接气源球阀304外螺纹活接对焊高压气体手动阀门 ¥9.00