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Tank Baffle?

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  • neiowa
    replied
    Originally posted by Hickman
    In short....."rule of thumb".....each baffled compartment should hold about 50 to 55 gallons of water...300 gallon tank = 6 compartments

    I've seen to many large and small rigs wrecked because there were no baffles put into the tanks or not enough.

    Hickman
    Bump

    Actually a 4' x4' x4' tank would contain 460gal.

    Leave a comment:


  • Hickman
    replied
    Baffled?

    NFPA 1901 Chapter 19

    19.2.5* All water tanks shall be provided with baffles or swash partitions to form a containment or dynamic method of water movement control.

    19.2.51 If a containment method of baffling is used, a minimum of two transverse or longitudinal vertical baffles shall be provided.

    19.2.5.1.1 There shall be a maximum distance of 48 inches between any combinations of tank vertical walls and baffles.

    19.2.5.1.2 Each baffle shall cover at least 75% of the area of the plane that contains the baffle.

    19.2.5.2 If a dynamic method of partitioning is used, the tank shall contain vertical transverse and logitudinal partitions.

    19.2.5.2.1 The vertical partitions shll be secured to the top and bottom of the tank.

    19.2.5.2.2 The longitudinal partitions shall extend a minimum of 75% of the tank length

    19.2.5.2.3 The partitions shall be arranged in such a manner that the vertical plane of each partition shall create cells for which no dimention shall exceed 48 inches.


    In short....."rule of thumb".....each baffled compartment should hold about 50 to 55 gallons of water...300 gallon tank = 6 compartments

    I've seen to many large and small rigs wrecked because there were no baffles put into the tanks or not enough.

    Hickman

    Leave a comment:


  • BirkenVogt
    replied
    There is a product called "baffle balls" that drop into the tank, kind of like wiffle balls. In fact wiffle balls would work just as well. Just be sure that they can't get sucked down and obstruct the pump inlet.

    We built some type 6s with un-baffled tanks and what we used for baffling was some batting from the fabric store. We had to make a strainer to keep it out of the pumps but we just filled the tanks with that stuff and it was great.

    Birken

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  • Bushwhacker
    replied
    No, but you are sure as hell going to want them. 300 gallons of un-baffled water moving around on the back of a rig is a accidient waiting to happen.

    Leave a comment:


  • bradlwar
    started a topic Tank Baffle?

    Tank Baffle?

    Can anyone tell me if it is a NFPA 1901 requirement to have baffles in a 300 gallon tank on a brush truck?

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