Question: “Do we need to use stainless steel cladding when insulating tanks with 4″ insulation (as required for PIH products)?” Tank Guru: The insulation requirement for toxic products which are considered an inhalation hazard (special provision TP38) is as follows: “Each portable
Question: “Is our tank’s MAWP defined in units of PSIG or PSIA? Can we adjust the PRV set pressure to match MAWP (or lower), instead of 10% higher?” Tank Guru: It’s definitely PSIG (gauge), not absolute. And in the case of tank containers with a
Question: “We mounted a mixer and some other equipment to our tank container. This added equipment also added weight, so now the markings on the tank are incorrect. What should I do?” Tank Guru: Now that the International Maritime Organization (IMO) has introduced
Question: “Is there anything in CFR about pressure-testing lined tanks?” Tank Guru: Not that I’m aware of. All tanks have to be pressure tested, regardless of whether they are lined. Additionally, the lining should be inspected visually as you would perform an
Question: “ISO Tanks are assigned a six-digit serial numbers by an international body. Can we label a tank with a different serial number? The six-digit serial number remains on the tank. For example, we have a tank with a serial number
Question: “My company wants to send a hazardous cargo (Toxic & Corrosive liquid) to the USA. Currently we are using old IMO 101 (US DOT) tank containers for non-USA destinations. Tank Guru: There are no regulations which specify the age of
