<*n style="font-size:16px;"><*n style="color:#555555;font-family:Tahoma, Arial, Helvetica, sans-serif, 宋体;line-height:21px;background-color:#FAFAFA;">铝合金地井盖/<*n style="color:#4C4C4C;font-family:Arial;">Aluminium Alloy Manhole Cover

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<*n style="font-family:宋体;font-size:16px;">地井盖由井圈和井盖组成。

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<*n style="font-size:16px;">规格及型号：FG90

<*n style="font-family:宋体;color:#000000;font-size:16px;">民用机场*设备使用许可证号：07304740

<*n style="font-family:宋体;"><*n style="font-size:16px;">实用新型专利号：ZL200420049565.0

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<*n style="font-family:宋体;color:#007EB8;font-size:15px;">检测标准 <*n style="font-family:Arial;color:#007EB8;font-size:15px;">/Testing standard

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<*n style="font-family:宋体;font-size:14px;">参照 <*n style="font-family:'Times New Roman';font-size:14px;">GB/T23858<*n style="font-family:宋体;font-size:14px;">：<*n style="font-family:'Times New Roman';font-size:14px;">2009<*n style="font-family:宋体;font-size:14px;"> 标准 <*n style="font-family:'Times New Roman';font-size:14px;">Please refer to GB/T23858:2009

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<*n style="font-family:宋体;color:#007EB8;font-size:15px;">承载力 <*n style="font-family:Arial;color:#007EB8;font-size:15px;">/Bearing capacity

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<*n style="font-family:'Times New Roman';font-size:15px;">400KN<*n style="font-family:宋体;font-size:15px;">，符合<*n style="font-family:'Times New Roman';font-size:15px;"> 4E <*n style="font-family:宋体;font-size:15px;">类机场大型飞机的胎压要求。

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<*n style="font-family:'Times New Roman';line-height:21px;font-size:15px;">400KN, conforming to the Tire pressure requirements of large airplane in 4E airport.

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<*n style="font-family:宋体;color:#007EB8;font-size:15px;">材质要求 <*n style="font-family:Arial;color:#007EB8;font-size:15px;">/Material requirements

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<*n style="font-family:宋体;font-size:15px;">井盖为铝合金 <*n style="font-family:'Times New Roman';font-size:15px;">ZL104;

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<*n style="font-family:宋体;line-height:19.35px;font-size:15px;">井圈为球墨铸铁 <*n style="font-family:'Times New Roman';line-height:19.35px;font-size:15px;">QT500-7<*n style="font-family:宋体;line-height:19.35px;font-size:15px;"> <*n style="font-family:'Times New Roman';line-height:19.35px;font-size:15px;">cover o*minum alloy ZL104; frame of ductile cast iron QT500-7

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<*n style="font-family:宋体;color:#007EB8;font-size:15px;">应用领域 <*n style="font-family:Arial;color:#007EB8;font-size:15px;">/Application area

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<*n style="font-family:宋体;font-size:15px;">机场飞行区及服务车道

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<*n style="font-family:'Times New Roman';font-size:15px;">airport runway and vehicle areas

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<*n style="font-family:宋体;color:#007EB8;font-size:14px;">井盖设计特点 <*n style="font-family:'Times New Roman';color:#007EB8;font-size:14px;">/<*n style="font-family:Arial;color:#007EB8;font-size:14px;">Designing Features of Manhole Cover

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<*n style="font-family:宋体;font-size:15px;">*倾覆设计

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<*n style="font-family:'Times New Roman';font-size:15px;">Resistance to capsizing

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<*n style="font-family:宋体;font-size:15px;">轻便和方便开启

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<*n style="font-family:'Times New Roman';font-size:15px;">Portable and easy-opened

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<*n style="font-family:宋体;font-size:15px;">温度耐受力高

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<*n style="font-family:'Times New Roman';font-size:15px;">High temperature tolerance

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<*n style="font-family:宋体;color:#007EB8;font-size:15px;">密封性设计 <*n style="font-family:Arial;color:#007EB8;font-size:15px;">/Good sealing

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<*n style="font-family:宋体;font-size:15px;">双层密封胶圈设计

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<*n style="font-family:'Times New Roman';font-size:15px;">Double o-ring seal design

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<*n style="font-family:宋体;color:#007EB8;font-size:15px;">防腐、耐久 <*n style="font-family:Arial;color:#007EB8;font-size:15px;">/Anti-corrosion, durable

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<*n style="font-family:宋体;font-size:15px;">井圈加防腐涂层

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<*n style="font-family:'Times New Roman';font-size:15px;">there is anticorrosive coating on the surface of frame

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<*n style="font-family:宋体;color:#007EB8;font-size:15px;">防盗、防滑 <*n style="font-family:Arial;color:#007EB8;font-size:15px;">/Against theft and slippery

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<*n style="font-family:宋体;line-height:17.1px;font-size:15px;">*防盗环和井盖表面防滑筋设计。 <*n style="font-family:'Times New Roman';line-height:17.1px;font-size:15px;">anti-theft ring and antiskid reinforcemen*sign.

<*n style="font-family:宋体;font-size:15px;">适用于内径为 <*n style="font-family:'Times New Roman';font-size:15px;">700mm<*n style="font-family:宋体;font-size:15px;"> 的井圈。

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<*n style="font-family:'Times New Roman';font-size:14px;">Suitable for the frame of which inner diameter is 700 mm.

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<*n style="font-family:宋体;color:#007EB8;font-size:15px;">结构特点 <*n style="font-family:Arial;color:#007EB8;font-size:15px;">/Structural features

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<*n style="font-family:宋体;line-height:17.25px;font-size:15px;">井圈为球墨铸铁整体铸造，保证受力结构的整体性，进行消除应力处理。

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<*n style="font-family:'Times New Roman';line-height:19.8px;font-size:15px;">The frame is integrally cast by ductile iron, and to guarantee the mechanical structure of integrity, we made it stress relieving.

<*n style="font-family:宋体;font-size:15px;">井盖采用阳****化处理，增加*压强度。

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<*n style="font-family:'Times New Roman';font-size:15px;">To increase the compressive strength, the manhole cover is anodized