欧美极品jizzhd欧美,91精品久久一区二区三区,欧美乱妇无乱码大黄a片,欧美日韩国产一区在线看

鋁合金地井蓋/Aluminium Alloy Manhole Cover

地井蓋由井圈和井蓋組成。

規(guī)格及型號：FG90F
適用于內(nèi)徑800mm的井圈
Suitable for the frame of which inner diameter is 800 mm
民用機(jī)場通告編號：OG20-137

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

900KN，符合 4E 類機(jī)場大型飛機(jī)的胎壓要求。

900KN, conforming to the Tire pressure requirements of large airplane in 4E airport.

材質(zhì)要求 /Material requirements

井蓋為鋁合金 ZL107;

井圈為球墨鑄鐵 QT500-7 cover of aluminum alloy ZL107; 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(jì)特點(diǎn) /Designing Features of Manhole Cover

抗傾覆設(shè)計(jì)

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(shè)計(jì) /Good sealing

雙層密封膠圈設(shè)計(jì)

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(huán)和井蓋表面防滑筋設(shè)計(jì)。 anti-theft ring and antiskid reinforcement design.

適用于內(nèi)徑為 800mm 的井圈。

Suitable for the frame of which inner diameter is 800 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.

井蓋采用陽極化處理，增加抗壓強(qiáng)度。

To increase the compressive strength, the manhole cover is anodized