sometimes engineers writing specifications for complete fire pump packages, “in wishful thinking,” specify the complete package to be ul listed and fm approved and end up with a hand full of poop as there may be no such animal. it also consist of the pump and driver premounted on a steel base with the driver coupled to the pump with a listed coupling. in addition to the pump driver and controller, nfpa 20 requires a certain amount of fittings under 6.3 to be provided by the oem. due to over-sized breakers in the older limited service controllers burning up motors, fm stayed away from them and they were ul only. you can look up the various manufactures limited service controllers and find them still typically with no fm approval. in addition, nfpa 20, 126.96.36.199 requires motors for variable frequency drives to be specifically-listed for inverter duty, this one is not and says so in the first paragraph diesel engines – for the most part, standard engines are both ul and fm.
you need to verify fm approvals with the various designs like vip pumps or other duty points and any special metals for seawater service that may void either or both listings and/or approvals. you may need to very any special metal requirements for seawater service as it “may” void one or both listings and/or approvals. if you look at nfpa 20’s various fitting requirements where it states listed or specifically-listed, you’ll usually find it ul listed like the case temperature relief valves under nfpa 20, 4.11. as a mechanical valve, there is fm right along side of it. this_controller was specified to be ul listed, fm approved and suitable for class 1, division 1, hazardous areas – no such animal. in closing, regardless of what is specified with respect to listings and approvals, you may only get what’s available for a specific design. the different product bulletins from websites like above are a good place to look for listing and approvals.
testing to all applicable fire pump and engine standards ansi/ul 448 centrifugal stationary pumps for fire-protection service subject 448a flexible couplings gain insights about the requirements of safety standards for pumps and engines from a ul subject matter expert. fire system pump. understanding the compliance requirements to meet industry standards, ul 218 and as2941 for fire pump controller panel, is critical to help, ul certification, ul certification, ul listed pump, ul fm approved fire extinguishers, ul 218 standard pdf.
put simply, a ul listing means that the manufacturer can make products that meet ul requirements. this means that you can be sure your fire pump etna has ul448 and fm1319 certificates for its end suction ea series centrifugal pumps; it can meet the fire pump demands in the 500/750/1000 gpm flow rate and thus, when you see either “ul listed” or “fm approved,” it essentially means it was tested by the safety organizations for a specific, ul listed products, ul motor standards, non ul fire pump meaning, ul pump meaning, ul listed valve, fm standard for fire protection, ul/fm approved meaning, ul vs nfpa, 5000 gpm fire pump, fm pump meaning.
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