气动法兰截止阀J641H,J641Y
J661Y气动高压截止阀
J641H气动调节型截止阀
BUJ41H保温柱塞截止阀
UJ41W不锈钢柱塞截止阀
UJ44H锥角式柱塞截止阀
UJ11H内螺纹柱塞截止阀
UJ941H电动柱塞截止阀
UJ41H柱塞式截止阀
UJ41H高压柱塞截止阀
UJ41W柱塞截止阀
J61H手动焊接截止阀