Posted in Uncategorized on February 27, 2009| 2 Comments »
Starting today, you may find it difficulty accessing our websites or emailing us. We apologize for any inconvenience as we migrate over to our new hosting space. Feel free to call us at +1- 713- 665- 3001 with any questions. Thank you for your patience ,and we look forwar to being 100% operational by this weekend.
Andy
Posted in Uncategorized, tagged ISO Tank Guru, Tank guru on February 25, 2009| 2 Comments »
Tank Guru has been recently launched…this one is one to watch.
Ask the Tank Guru at http://tankguru.wordpress.com/
Posted in Uncategorized, tagged Chlorine ISO Tank, Chlorine ISO tank specifications, Chlorine ISO tank specs, Chlorine T50 specifications, ISo Tank for Chlorine on February 20, 2009| 2 Comments »
Posted in Uncategorized, tagged ACI Chlorine, Bursting disk, Chlorine, Chlorine Institute CRF49, Chlorine ISO tanks, Chlorine tanks, ISO tank Containers for Chlorine, manway entry, Portable ISO tanks, T50 Chlorine Tanks on February 13, 2009| 7 Comments »
This is an unsual entry, and I say that, because we do not get to lead very many projects associated with Chlorine. We are very thankful to have been chosen to execute three units to be operated in the America’s.
These are highly specilized ISO Tanks and Tankers, operated in the Americas, that must abide to detailed ACI specs. The ACI spec calls out for a 16,500 Liter T50 ISO Tank with special midland valves including Safety Relief Valve, Bust Disc, Gas Line, and Liquid Line.
Following is a conversation I had with Russell H.- Head of operations Tank Service Inc.
What I was telling you is that there are different specs for chlorine transport tanks used in the United States versus the tank spec that is typically used for chlorine in other parts of the world. Before the various portable tank regulations internationally were harmonized under the “UN Portable Tank” guidelines (e.g., T50 tanks for gases), the standard spec for gas tank containers in the USA was DOT-51, and internationally it was IMO 5. Most tanks were built to both approvals, so as to have full worldwide transport approval. Then the regulations were harmonized to make it simpler, and an IMO-5/DOT-51 tank became a T50 portable tank.
With regard to the chlorine tanks, however, there is a problem with incompatible regulations where the U.S. DOT, even after accepting the UN Portable Tank regulations, added that for chlorine specifically at least the valving still needs to be according to the U.S. Chlorine Institute recommended layouts. I think reason for this relates to Emergency Response, to be the same as rail cars (which is the way chlorine is typically moved domestically). The Chlorine Institute approved valve arrangement uses Midland valve assemblies, including internal excess flow check valves in series with external angle valves for loading and venting (the excess flow valve is not controllable and only closes under excess flow).
In other parts of the world the standard has been to use the Eurochlor recommendations, and this incorporates pneumatic valves supplied by Ermeto and Phonix in Europe. This valve has two parts, namely an excess flow valve and angle valve like above, but the pneumatics open and close both parts.
The old DOT-51 regulation also stipulated a MAWP of 225 psi (a little higher than required in Europe) with the tank being insulated with 100 mm insulation as well as stainless steel cladding. This hasn’t been incorporated into the UN Portable Tank acceptance however
Chlorine ISO tank valves
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