J43W-16P/25/40/160不锈钢法兰针型阀304手动高温高压气体截止阀

J61Y-160C碳钢对焊针型阀电站仪表高温高压手动截止阀WCB开关阀门 ¥9.00

J61W/Y-160P不锈钢304对焊针型阀电站高温高压仪表手动开关阀316 ¥9.00

J61Y-160P/320不锈钢304承插焊针型阀电站高温高压仪表开关阀316 ¥9.00

J61Y-160P不锈钢带散热器对焊针型阀304电站高温高压仪表阀门316 ¥9.00

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 ¥9.00

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