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  • Users: mouse123
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  1. mouse123

    jockey pump

    Greetings, I am reffering to a typical fire fighting sprinkler piping system acc to NFPA 13 or NFPA 20. For example, the permanent pressurization of the ff piping system is required in order to prevent the main fire pumps from unnecessary start. This may be done by adding a centrifugal type...

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