imo logoIMO MSC.1/Circ.1324

MSC1/Circ.:  1324  1325

IBC Gas group IIB upgrade

IMO MSC.1/Circ.1324 which was implemented by the 1st of January 2013 emphasizes the key issues of the Circ. 677 relating to cargo gas groups and test media. In short, all chemical tankers that has specific cargoes on their cargo list needs to have P-V valves tested and approved accordingly. In practice this means that the bulk of the present chemical tanker fleet needs to have new or upgraded valves approved to gas group IIB / MESG 0,65 installed latest at the first dry-docking after 1. January 2013 opening up a 5 year time window to comply.

For the vessels fitted with the High velocity valves of our own make, we will issue a Declaration of Conformity for the pressure side valve, and deliver a new flame filter element which can easily be installed on-site without removing the valves from the tanks.

For vessels fitted with other types/manufacturer of valves, please use below form and submit


Loading rate per tank m3/h (liquid)  
Un-loading rate per tank m3/h (pump capacity)  
Flange size e.g. DN 100  
Flange standard e.g. DIN PN 10  
Quantity Valve quantity  


Please Contact us on

with key word IMO MSC.1/Circ.1324 / gas group IIB upgrade

and we will submit a quotation which up till now, and 9 out of 10 times has proven competitive on price, quality and delivery time

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