SFB03 high purity diffuser sintered porous stainless steel bubble diffuser stone for process rooms

SFB03 high purity diffuser sintered porous stainless steel bubble diffuser stone for process rooms

Short Description:

  • Brand: HENGKO
  • Material: stainless steel 304 316L/316
  • Pore Size: 2um, 0.5um, 10-15um customized
  • Item: Air Diffusion Stone
  • Quality: Food grade
  • Usage: Home brew beer, beverages, gas aeration or hydroponic farming
  • Remarks: Custom designs and fittings available
  • Product Detail

    Product Tags

     hengko advantage

        Product Name             Specification             
    SFB03 D1/2''*H1-7/8'' .5um with 1/8'' Barb


    HENGKO high-purity diffusers are specially developed for process rooms, load locks, and wafer steppers where particle formation must take place as slowly and gradually as possible.  By using the porous metal diffuser a laminar flow is maintained resulting in a minimal displacement of the particles in the process.

    The porous metal diffusers are available in various degrees of the filter element and can be carried out with a vacuum flange, a face seal connection or a ring shape.

    For more information please contact one of our Sales Engineers!

    * The following applications are for winemaking only



    ◆  HENGKO diffusion stone is suitable for force carbonation of beer, it is ideal to force carbonate the kegged beer, or as an aeration stone prior to fermentation. Carbonate the beer just like the pros with this stainless steel carbonating stone.

    0.5 HENGKO oxygen stone is used to force carbonate beverages like beer, champagne, or sparking meads with carbon dioxide. compared with the 2.0 micron stone, the 0.5 micron stone will carbonate beer quicker and with a long-lasting head because the bubbles that it creates are smaller.

    It quickly carbonates beer/soda water, and the CO2 or O2 will be forced through the millions of tiny pores in the stone, which dissolves the gas into the liquid. Let your beer or soda water get a good mouthfeel.

    Some people like to speed up the process of force carbonating beer by putting extra high pressure on the keg, but a more effective and precise practice is to use a HENGKO carbonation stone or diffusion stone.

    Rocking your keg with the low-pressure gauge set at 30 PSI may get the beer carbonated in one day. This may also, however, cause you to end up with over-carbonated beer, which can be a hassle.  It can take longer to get the carbonation out of the solution than it looks to force it in.

    A better solution for speeding up carbonation would be to use a HENGKO carbonating stone, also known as a HENGKO diffusion stone. This is a piece of stainless steel, perforated throughout with a huge number of 0.5 – 2 micron holes.  Keg lids fitted with a diffusion stone are also available.


    SFB03 Sintered Microporous Stainless Steel Ozone Bubble Diffuser Stone

    Stainless steel sintered filter -DSC_8695

    Force carbonating beverages.

    Set your regulator to about 2 psi, and the gas will be forced through the millions of tiny pores in the stone, which dissolves the gas into the liquid. Your beer will be carbonated overnight.

    You will need a homebrew kegging outfit with a CO2 tank, regulator, lines, and a keg. Simply attach a 24" length of ¼” ID tubing to the gas side dip tube of your keg with a worm clamp. On the other end of the tubing, attach the diffusion stone using another clamp.  There are charts available online and in books for exact levels of temperature and CO2 pressure to achieve desired carbonation levels. Following is an example of average carbonation in beer: Chill the beer to 40 F. Adjust the regulator to 2 PSI and attach the gas disconnect. Every 3 minutes increase the pressure by 2 PSI until 12 PSI is reached. At this point, the beer will be carbonated, but it won’t hurt to leave it alone in the refrigerator for a few days under pressure.

    oxygen stone

    How to use the diffusion stone

    1. The “stone” sits inside the keg near the bottom.

    2. A hose barb attaches it to a length of tubing (generally about 2 feet of 1/4” ID thick wall vinyl hose) which is affixed to the short downtube under the “in” or “gas side” post.

    3. When the CO2 is connected, it sends a tremendous number of gas bubbles out through the beer. The minuscule bubbles create a huge amount of surface area to help absorb CO2 rapidly into the beer. This is actually a miniature version of a device used by commercial breweries everywhere.

    4. Carbonation should be virtually instantaneous, though the manufacturer recommends carbonating your beer at least a few hours before serving.

    nano bubble diffuser

    ◆  HENGKO SS air stone is commonly used to aerate the wort before fermentation, which helps ensure a healthy start to the fermentation process. The HENGKO 2.0 micron oxygen stone can be used to oxygenate wort using an oxygen regulator. The holes in the 0.5 stone are too fine to use to aerate the wort with an aeration pump.

    The 2-micron HENGKO inline carbonation stone has millions of tiny pores so that this diffusion stone will quickly oxygenate wort & carbonate beer/soda prior to fermentation, to lower fermentation times & not easily get clogged.

     Different micron stones produce very small bubbles, which are ideal for efficient absorption of the gas into your wort.

    The most common use for this specific stone is to build an inline oxygenation assembly where the stone is threaded into a 1/2" NPT TEE, so chilled wort passes the stone on the way to the fermenter. It's important to limit the flow of oxygen in this setup to avoid over-saturating the wort.


    HEGNKO diffusion stone can be installed into the 1/2″ FPT fitting or 1/4″ diameter,1/4" barb, or other custom connectors, to connect with compressed oxygen tanks, air pumps, or kettle&wort chiller by hose.

    The detail attention :
    After carbonation, you can shake the beer keg. If do that, your beer can reach the best mouthfeel. high gravity beers may require more time because oxygen does not dissolve as easily in liquids with high specific gravity.
    It's important to clean and sanitize diffusion stones thoroughly before each use and after use. Install an air filter, and ensure a clean air source or the air being fed into the stone is clean, to prevent contaminants from clogging the stone or infecting the wort.


    To properly sanitize your stones, we recommend you run them in a sanitized solution for 5 minutes. If the stone becomes clogged we recommend boiling the stone for 1-3 minutes to sanitize & unclog the pores, helping break down anything within it. If boiling is not an option, we recommend soaking in Star San. Star San will remove a majority of surface contamination/bacteria, but will not sanitize the interior of the stone which may or may not be contaminated. If the pores in the aeration stone get blocked from handling give a 15 seconds dip in hydrochloric acid before rinsing with water.


    Use sanitized gloves, and don’t touch the porous surface body of the diffusion stone by hand, the oils on your fingers can clog the small pores in the stone.


    Product Show   

    Microporous filter element -DSC_8689 Sintered filter element -DSC_8693 Aerated powder sintering probe DSC_1381

    The advantages of HENGKO  stone:

     * NO BLOCKING —— Millions of tiny pores make it can carbonate beer and soda prior to fermentation quickly, the micron stone is ideal to force carbonate your kegged beer or as an aeration stone prior to fermentation. Not easy to get clogged as long as it's ungreasy.

    * EASY TO USE —— Just connect your oxygen regulator or aeration pump to the stainless steel diffusion stone and aerate your wort as the beer flows through the line. Connects inline with any kettle, pump, or counterflow/plate wort chiller.

    * Easy To Sanitize —— soaking this 0.5-micron diffusion stone in boiling water for 20 to 30 seconds. Don't touch the actual carbonated portion of the stone with your hands

    * Easy To Install Or Use —— Use 1/4" ID tubing to connect to the hose barb on the stone. This carbonation stone can be used with the air pumps, no more need to shake your bottle

    * 100% Satisfaction —— We aim to provide the highest quality service and the best product quality for each customer. Place your order without any worry. If you have any questions, please feel free to contact us. We will unconditionally solve this for you!Aeration application hengko certificate hengko Parners

    Highly recommended

    contact us


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