MANHOLE COVER ADR NO.:1492/5/2015
MANHOLE COVER ADR NO.:1492/5/2015
Flanged manhole cover is fastened by 24 bolts . Manhole cover can be open up to 135 °, two auxiliary holes can be used for installing vapor recovery valve and anti-overflow sensor. It meets related requirements of the standard EN13317: 2002+A1:2006.
Main body material:
5083 Aluminum alloy sheet.
OPERATION CONDITION
a.When the tank’s interior pressure is 6 to12 KPa higher than external, the breathing valve should be open.
b.When the tank’s interior pressure is 2 to 4 KPa lower than external, the breathing valve should be open.
Remark: The sealing material should be replaced within 6 months, special working condition need to be customized.
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