The inside of the pipe should be cleaned up, without welding, rust and dirt, sand and other stolen goods.
管子内部应清理干净,不得有焊接、锈皮及沙泥土、等赃物。
Before installation on the suction and discharge line to clean, remove rust and dirt, especially welding pipe welding slag must be thoroughly cleared, to avoid killed after entering the pump.
安装前对吸入、排出管路要清理干净,去掉铁锈等脏物,特别是焊接管路的焊渣必须彻底清除,以免进入泵后咬死。
Steel surface should be no visible oil, dirt, scale, rust and paint coating and other debris should as far as possible eliminate, any attachments should be strong.
钢材表面应无可见油脂、污垢、氧化皮、铁锈和油漆涂层及其它杂物应尽可能除去,任何附着物均应是牢靠的。
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