鑄鐵地井蓋
鑄鐵地井蓋/Cast iron Manhole cover
地井蓋由井圈和井蓋組成。
規(guī)格及型號：FG/QTJG 60/700
民用機(jī)場專用設(shè)備使用通告號：OG20-138
檢測標(biāo)準(zhǔn) /Testing standard
參照 GB/T23858：2009 標(biāo)準(zhǔn) Please refer to GB/T23858:2009
參照 MH/T 6107-2014 標(biāo)準(zhǔn) Please refer to MH/T 6107-2014
承載力 /Bearing capacity
600KN，符合 4E 類機(jī)場大型飛機(jī)的胎壓要求。
600KN, conforming to the Tire pressure requirements of large airplane in 4E airport.
材質(zhì)要求 /Material requirements
井蓋為球磨鑄鐵 QT500-7;
井圈為球墨鑄鐵 QT500-7 cover of ductile cast iron QT500-7; frame of ductile cast iron QT500-7
應(yīng)用領(lǐng)域 /Application area
機(jī)場飛行區(qū)及服務(wù)車道
airport runway and vehicle areas
井蓋設(shè)計特點(diǎn) /Designing Features of Manhole Cover
抗傾覆設(shè)計
Resistance to capsizing
輕便和方便開啟
Portable and easy-opened
溫度耐受力高
High temperature tolerance
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(huán)和井蓋表面防滑筋設(shè)計。 anti-theft ring and antiskid reinforcement design.
適用于內(nèi)徑為 700mm 的井圈。
Suitable for the frame of which inner diameter is 700 mm.
結(jié)構(gòu)特點(diǎn) /Structural features
井圈為球墨鑄鐵整體鑄造，保證受力結(jié)構(gòu)的整體性，進(jìn)行消除應(yīng)力處理。
The frame is integrally cast by ductile iron, and to guarantee the mechanical structure of integrity, we made it stress relieving.