Zinc Anodes for Marine & Underwater Applications by Farwest Corrosion

Farwest zinc anodes are cast in current U.S. Military Specification (Mil-Spec) and Special High Grade (SHG) high purity alloys.
  • Characteristics

    Farwest zinc anodes are cast in current U.S. Military Specification (Mil-Spec) alloy. This alloy is effective in seawater and saline mud where temperatures are limited to 120 degrees F.

    Note: Model numbers vary through the industry. If you have any questions regarding ordering, please call is at 888-532-7937.

     

    Features & Benefits

    • Economical and Time-Tested, Farwest zinc anodes set the standard for affordable corrosion protection.

    • Optimal Composition, Quality & Fit are ensured with anodes designed and manufactured at our suppliers foundry.

    • Comprehensive Range of hull, tank, engine room, bracelet and other anodes are available to suit virtually every marine application.

    • Pit-Guard Anodes stop corrosive pitting in cargo and ballast tanks simply and economically.

    • Farwest Zinc Anode Alloys include the latest Mil-Spec delivering trusted performance, as well as Special High Grade (SHG) for reliable protection wherever Mil-Spec is not required.

    • Immediate Delivery of large quantities of standard anodes is available from stock.

    • Custom Anodes can be produced to satisfy unique specifications.

  • Hull Anodes

    LL-26 Hull Anode
    (AKA: M-26)

    Contains single galvanized steel longitudinal strap. Can be bolted or welded to hull. Particularly suited for smaller ships, coastal vessels, harbor tugs, etc. Farwest can add a mounting hole to each mounting strap.


    AnodeLbsWHL
    LL-26 26 4 1/2" 2 1/4"

    14"

     

    LL-48 Hull Anode
    (AKA: M-48)

    Contains single longitudinal galvanized strap for welding to hull. Particularly suited for major ships, 10,000 DWT and upward. Farwest can add a mounting hole to each mounting strap.

     
     
    AnodeLbsWHL
    LL-48 48 4 1/2" 2 1/4" 24"

     

    Tapered M-24 Hull Anode

    Contains two cast-in galvanized steel mounting straps. Farwest can add a mounting hole to each mounting strap.

     
              Anode                  Lbs                  W                      H                     L          

    M-24

     22.5 

    6

     1/2" 

    1

     1/4" 

     14" 
     

    Military Anodes

    The military anodes shown here conform to the latest modification of mil spec MIL-A-18001. 

    Anodes in this series contain two cast-in galvanized steel mounting straps (brass mounting straps are also available) or two cast-in cored holes on 6" centers.

    Farwest can add a mounting hole to each mounting strap.
     

     
     
    AnodeLbsWLH
    ZHS-23 22 6" 12" 1 1/4"
    ZHC-23 22 6" 12" 1 1/4"
    ZHS-42 42 6" 12" 2 1/2"
    ZHC-42 39 6" 12" 2 1/2"

     
    The military anodes below contain a single cast-in galvanized steel mounting strap measuring 3/16" x 1 1/4" x 16". Farwest can add a mounting hole to each mounting strap.
      

    AnodeLbsWLH
    ZSS-12 11 3" 12" 1 1/4"
    ZSS-24 21 3" 12" 2 1/2"

    A teardrop-shaped military anode containing a single. Cast-in galvanized steel straps. Farwest can add mounting holes, such as two 3/8" diameter holes on 11" centers.

    AnodeLbsWLH
    ZTS 5 3" 9" 1 1/4"
  • Pier and Piling Anodes: ZPP Series

    Several different galvanized steel cores are available in this anode series. When ordering, specify which of the following cores is desired.

    • Type "E" - 1/2" diameter eyebolt in anodes weighing up to 200 lbs; 3/4" over 200 lbs.
    • Type "P" - 3/4" standard pipe in anodes weighing less than 250 lbs; 1" pipe 250 lbs and up.
    • Type "R" - 1/2" diameter rod.

    AnodePoundsWHLCore Type
    ZPP-50 50 2" 2" 48" E, R
    ZPP-100 100 3" 3" 44" E, P, R
    ZPP-150 150 4" 4" 36" E, P, R
    ZPP-250 250 9" 9" 12" E, P, R
    ZPP-250A* 250 4" 4" 60" E, P, R
    ZPP-350 375 7" 7" 30" E, P, R
    ZPP-500 500 9" 9" 24" E, P, R

    *Pipe core for this anode is 3/4" standard pipe.

     

    Custom Line

    For special requirements, HI-AMP anodes for ballast tanks, piers and pilings can be furnished with a wide variety of cores and to the range of dimensions shown in the accompanying table.

    Cross SectionLengthsNominal Weight
    (lbs/in)
    1.4" x 1.4" 6" - 60" 0.5
    2" x 2" 6" - 60" 1.0
    2 1/2" x 2 1/2" 6" - 60" 1.5
    3" x 3" 6" - 60" 2.3
    4" x 4" 6" - 60" 4.2
    5" x 5" 6" - 48" 6.5
    7" x 7" 6" - 36" 12.8
    9" x 9" 6" - 24" 21.0
    9" x 10" 6" - 24" 23.4
    10" x 10" 6" - 24" 26.0

     

    Ballast Tank Anodes

    ZT Series

    Anodes contain1/2" diameter straight electrogalvanized steel core rod for direct welding or assembly to two flat bards with "U" bolts as shown.


     
    AnodeLbsWHLaLc
    ZT-27 27 1.4" 1.4" 48" 60"
    ZT-50 50 2" 2" 48" 60"
    ZT-60 60 2" 2" 60" 72"
    ZT-70 70 2 1/2" 2 1/2" 48" 60"
    ZT-100 100 2 1/2" 2 1/2" 60" 72"
     

    ZTW Series

    Contains 1/2" diameter bent electro-galvanized steel core rod on sizes up to 50 lbs for direct welding to structure. Anodes over 50 lbs have 5/8" diameter core rod.

     
    AnodeLbsWHLaLc
    ZTW-27 27 1.4" 1.4" 48" 69"
    ZTW-50 50 2" 2" 48" 69"
    ZTW-60 60 2" 2" 60" 81"
    ZTW-70 70 2 1/2" 2 1/2" 48" 69"
    ZTW-100 100 2 1/2" 2 1/2" 60" 81"
  • Bracelet Anodes

    Number of
    Segments
    Nom. Pipe
    Diameter
    4 20" - 36"
    4 or 6 30" - 36"
    6 30" - 54"
    6 or 8 40" - 54"
    8 40" - 72"

     

    Q-AMP™ bracelet anodes are a family of products consisting of quadrants of multiple arc segments. Each segment contains cast-in, circumferentially oriented steel cores. Bracelets are assembled with 4, 6 or 8 units depending on pipe diameter. Q-AMP bracelet anodes are superior to both semicircular bracelet assemblies in the larger sizes and multi-segment, external core assemblies because they offer:

    • More accurate sizing over pipe coatings to eliminate gaps that promote excessive wastage of the anode at the inside diameter of the bracelet.
    • Minimal distortion and "locked-in" stress when compared to conventional semi-circular bracelets for pipes of about 20"diameter.

    The maximum arc length of each segment ranges from about 14" to about 27". Each segment contains at least one circumferentially-oriented steel core.

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