I believe my UN rated container has passed its retest requirement period. What is that required timing and how do I test?
According to 49 CFR 173.32(e)(1)(ii), federal regulations mandate that all UN Specification IBCs should be pressure tested and recorded at least once every 2.5 years. They also need a thickness test performed and recorded every 5 years.
What is a UN number?
The UN (United Nations) number is clearly marked on the container per CFR 49. The UN number includes the following information:
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Code number designating type of IBC
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Packaging group the IBC is approved for (Group II and III)
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Month/year of manufacture
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Country authorizing the marking
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Name of manufacturer or certification agency
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Maximum stacking test load in kg
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Maximum permissible gross mass in kg
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Rated capacity in liters
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Tare mass kg (estimate)
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Month and year of initial leak proof test date
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Month and year of initial inspection date
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Material of construction
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Minimum Thickness requirement in MM
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Maximum Fill-Discharge Pressure in KPa’s
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Manufacturer serial number
How many gallons per inch will my container hold?
A standard 42”X48” metal IBC will hold approximately 8.75 gallons per inch of sidewall.
How many stainless steel IBCs will fit in a truck?
Depending on the trailer design, most can fit fifty two empty 350’s on a 53 foot unit and twenty six empty 550’s on the same trailer.
Can you tell us what units/material is compatible with my product?
In most cases we can offer suggestions based on the Compass Corrosion and other guides. Ultimately the shipper is responsibility to ensure compatibility. There are resources out there so feel free to contact us and we will direct you to the best source for your needs.
What is and why do I need a fusible cap? Fusible caps are typically a 2” poly plug or 3” metal outside thread cap that is located in the center of the 22” manway lid. This devise relieves pressure cause by heat during a fire and is required by DOT per 49 CFR 178.253.
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