Can manual valves be installed inside the fire dike of Class A flammable liquid storage tanks?
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In the Class A storage tank area of my company, there are dual valves (manual valves) at the base of the tanks, along with control valves that can be operated remotely. Experts suggested that the manual valves should be located outside the fire dike... However, I have only found information stating that the valves used for fire control must be outside the fire dike. I would appreciate it if anyone could tell me which regulations specify this requirement
In accordance with relevant standards such as GB50160-2008 \"Code for Design of Automatic Fire Alarm Systems\" and SYJ 23-2009 \"Code for Design of Oil and Gas Storage Facilities\", it is stipulated that manual valves shall not be installed within the fire dike surrounding storage tanks for Class A flammable liquids; instead, such valves should be placed outside the fire dike. The main purpose of doing this is to prevent the inability to access the valves for operation in case of a fire, thereby ensuring safety. Therefore, your company’s practices may need to be adjusted to meet the relevant regulatory requirements. .
Thank you! But installing dual valves at the outlet at the source of hazardous chemicals is a basic requirement of the regulations; should two remotely controlled valves be installed instead?
There is no need to install two remote control valves. The requirement for dual valves at the base of hazardous chemical storage tanks usually refers to one manual valve and one remotely controlled valve. Manual valves need to be installed in a location that is easy to operate and safely accessible in case of a fire, usually outside the fire dike. The remotely controlled valve can be installed inside the fire dike for remote operation. This meets the requirements for manual valve settings while also ensuring the need for remote control. .
Okay, thank you for the guidance! :handshake
You’re welcome; feel free to ask if you have any questions. .