济南万顺铸业有限公司
球墨铸铁井盖的最大特点即是戒备磨损，它可承压36T/60T，轻型可承压21T。即便荷载压力高出它的极限，它并不像平常铸铁井盖那样容易破碎，而是稍有变形，对车子及行人有肯定的平静保障。
The largest feature of nodular cast iron covers is alert wear, which can be pressurized 36T/60T, light pressure 21T. Even if the load pressure is higher than its limit, it is not as easily broken as ordinary cast iron covers, but slightly deformed, and has a certain level of calm protection for cars and pedestrians.
这个要领是球墨井盖与井圈的打仗咬合面，直接作用于T型橡胶条上，以柔克刚，消除噪音。在球墨铸铁井盖的外圈上，凸出一方形槽，其内壁真个开口环通过井座牢固轴与井盖连接，球墨铸铁井圈直径密封领域为正负2毫米，井盖与井圈曲折配合精度为正负1毫米，配合间隙为3毫米。
This is the essentials of ductile iron manhole cover and the manhole ring at the occlusal surface directly on the T type rubber strip, Killing with Kindness noise. In the outer ring ductile iron manhole cover, a square convex groove, the inner wall of a split ring through shaft shaft firmly connected with the well cover and the well ring diameter ductile iron sealing area of plus or minus 2 mm, the manhole cover and the well ring twists and turns with the precision of plus or minus 1 mm, 3 mm clearance.
球墨铸铁井盖外貌采取突出3mm花纹，从而起到良好的防滑作用。井圈预留四个铆固螺栓孔，以90度匀称散布，每套利用4个地锚螺栓，免除了在筑途经程中因呆板碾压而孕育发生的移位，并且起到了肯定的防盗作用。
The surface of the nodular cast iron cover adopts the prominent 3mm pattern, thus playing a good anti slip function. Wells set aside four rivet bolt holes, at 90 degrees with 4 evenly distributed, each anchor bolt, from the building in via during rigid rolling occur displacement, and has played a positive role in security.
另一端内壁设销体牢固，而起到防盗作用，当井盖打开摆设90度时即可取下井盖，便于施工。暗锁采取尼龙衬套，永不生锈，并配有专用工具开启，平静可靠，井盖与井圈打仗面举行机加工，使之更符合无异响。
The inner wall of the other end of the utility model is firmly provided with a pin body, and the utility model has the anti-theft function, and when the manhole cover is opened 90 degrees, the manhole cover can be taken into consideration, so that the construction is convenient. Take the lock nylon lining, never rust, and equipped with a special tool to open, calm and reliable, well cover and the well ring contact surface held machine, make it more in line with the abnormal sound.
济南万顺铸业有限公司第一铸造厂生产各种规格暖气片;第二铸造厂生产铸铁艺术围墙，仿古欧式艺术大门，平开，推拉，电动不锈钢伸缩门;第三铸造厂生产污水井盖，马路雨水篦子、排水铸铁管材、管件、柔性(A,W型)排水管件，机制铸管;第四铸造厂生产给水球墨、铸铁管件、管件、各种汽车配件。以上产品价格合理、信守合同。并承揽各种铸造加工业务。
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济南万顺铸业有限公司
济南市天桥区刘万顺铸铁管件经营部
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