Скачать или смотреть Φ900mm D400 Gas station manhole cover，Composite manhole covers and frames，Waterproof manhole cover

Φ900mm D400 Gas station manhole cover，Composite manhole covers and frames，Waterproof manhole cover

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Описание к видео Φ900mm D400 Gas station manhole cover，Composite manhole covers and frames，Waterproof manhole cover

After 10 years of persistence and repeated tests, the manhole cover specially designed for the gas station - the gas station manhole cover ∅900mm.
According to the design requirements of the gas station, the larger the operating space, the safer and more convenient it is for people to operate underground. In order to reduce potential safety hazards and make operation more convenient, general gas stations will use circular manhole covers with a net opening of ф900MM.
Gas station manhole cover ∅900mm manhole cover with inspection hole. There is a clear opening in the middle of the manhole cover of ∅350mm. Lock and seal the inspection sub-cover. You can observe the inside of the manhole without opening the manhole cover.

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