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鋁合金地井蓋FG90A
鋁合金地井蓋/Aluminium Alloy Manhole Cover
地井蓋由井圈和井蓋組成。
規格及型號：FG90A
民用機場通告編號：OG15-081
檢測標準 /Testing standard
參照 GB/T23858：2009 標準 Please refer to GB/T23858:2009
參照 MH/T 6107-2014 標準 Please refer to MH/T 6107-2014
承載力 /Bearing capacity
400KN，符合 4E 類機場大型飛機的胎壓要求。
400KN, conforming to the Tire pressure requirements of large airplane in 4E airport.
材質要求 /Material requirements
井蓋為鋁合金 ZL107; QT500-7 cover of aluminum alloy ZT107;
井圈為球墨鑄鐵 frame of ductie cast iron QT500-7;
應用領域 /Application area
機場飛行區及服務車道
airport runway and vehicle areas
井蓋設計特點 /Designing Features of Manhole Cover
抗傾覆設計
Resistance to capsizing
輕便和方便開啟
Portable and easy-opened
溫度耐受力高
High temperature tolerance
密封性設計 /Good sealing
雙層密封膠圈設計
Double o-ring seal design
防腐、耐久 /Anti-corrosion, durable
井圈加防腐涂層
there is anticorrosive coating on the surface of frame
防盜、防滑 /Against theft and slippery
專用防盜環和井蓋表面防滑筋設計。 anti-theft ring and antiskid reinforcement design.
適用于內徑為 800mm 的井圈。
Suitable for the frame of which inner diameter is 800 mm.
結構特點 /Structural features
井圈為球墨鑄鐵整體鑄造，保證受力結構的整體性，進行消除應力處理。
The frame is integrally cast by ductile iron, and to guarantee the mechanical structure of integrity, we made it stress relieving.
井蓋采用陽極化處理，增加抗壓強度。
To increase the compressive strength, the manhole cover is anodized