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为了交流经验,提高产品质量,促进产品的销售,芜湖县阀门厂于1985年10月12日至13日在芜湖饭店召开了胶管阀使用经验和订货会议。会议期间,包钢选矿厂介绍了胶管阀的使用经验和情况。该厂尾矿坝放矿闸门共400余台,过去使用普通铸铁的平行闸板阀及衬胶阀,冬季露天作业有80％的阀门冻裂;室内使用经常出故障成为生产中的难题。采用胶管阀后,在-30℃的露天作业完好无
In order to exchange experiences, improve product quality, and promote product sales, Valve Factory in Wuhu County held a hose valve experience and ordering meeting at Wuhu Hotel from October 12 to October 13, During the meeting, Baotou Iron and Steel Co., Ltd. introduced the use of hose valve experience and situation. The tailings dam dumping gate a total of more than 400 units, the past using ordinary cast iron parallel gate valve and rubber lining valve, winter 80% of open-air operations in the valve cracking; indoor use often fails to become a production problem. After using the hose valve, open-air work at -30 ℃ intact