1200 colorized non-bearing manhole cover PRODUCT ADVANTAGES 1. Integral cover, the drainage is more unobstructed, no water gathering in drainage sink and dirt retention. 2. Set with sealing strip, well-sealed; no noise when close the cover. 3. Integral internal space, perfectly matching YOUJIETE manhole well 4. Optional hydraulic lever type open method, easy to open or close, operation is simple. 5. Structure of hydraulic lever type is simple, easy to operate 6. Waterstop lock core and cap are equipped with the cover plate to prevent unlock failure during winter caused by icy rain & snow. 7. Small area occupied, more convenient for installation and application.
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