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External three-jaw manhole cover is also known as bulk cement tank car external pressure manhole cover, is installed on the top of the tank car, for people to enter and exit the tank, the channel to view the goods and the tank of the natural state of the observation port, but also is an important loading port of the tank car, the standard configuration of the powder material tank car the outside diameter of the manhole is 520mm or 540mm
1. The manufacture and inspection of manholes are in accordance with international regulations gb21s17-200s;
2. The weld has no defects such as crack, porosity and undercut, and the weld is polished smoothly.
3. It is suitable for transportation of powder and particle materials
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Product Name
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manhole cover for Bulk cement / Vac tanker
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Material
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Aluminium alloy
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Item no.
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HT.RKGWT-520/HT.RKGWT-540
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Temperature
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-40ºC~140ºC
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SIZE
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520MM-540MM
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Open Pressure
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0.3Kpa
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Used
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bulk cement/ loose cement tank truck,etc
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