X44F-150LB美标压力平衡式倒装油密封旋塞阀
面议X44F-150LB美标压力平衡式倒装油密封旋塞阀
面议X43W-150LB美标卡套软密封旋塞阀
面议德标卡套式软密封旋塞阀
面议X47W-1.0X47W-1.0油密封旋塞阀
面议X44W-1.0X44W-1.0三通法兰式铸铁旋塞阀
面议X44W-1.0TX44W-1.0T三通法兰式全铜旋塞阀
面议X44W-1.0PX44W-1.0P三通法兰式不锈钢旋塞阀
面议X44W-1.0CX44W-1.0C三通法兰式铸钢旋塞阀
面议X44T-1.0X44T-1.0三通法兰式铸铁铜芯旋塞阀
面议X43W-1.0X43W-1.0二通法兰式铸铁旋塞阀
面议X43W-1.0TX43W-1.0T二通全铜法兰式旋塞阀
面议X43W-1.0PX43W-1.0P二通不锈钢法兰式旋塞阀
面议