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  • Armstrong 4030 End Suction Base Mounted Pumps
  • Armstrong 4270 & 4270 Stock Motor Mounted Pumps
  • Armstrong 4280 Motor Mounted Pumps
  • Armstrong 4300 Vertical In-Line Pumps
  • Armstrong 4360 Vertical In-Line Pumps
  • Armstrong 4380 Vertical In-Line Pumps
  • Armstrong 4600 Horizontal Split-Case Pumps
  • Armstrong 4700 Vertical MultiStage Pumps
  • Armstrong Astro 2 Circulators
  • Armstrong E2 Circulators
  • Armstrong Expansion Tanks
  • Armstrong S&H 3-Piece Circulators
  • Armstrong Suction Guides
  • Bell & Gossett E-80
  • Bell & Gossett ecocirc® XL
  • Electric Motors
  • WEDA Submersible Drainage Pumps
  • wilo Stratos
  • Power Packs
  • Couplers
  • Bearing Assemblies
  • Impellers
  • Mechanical Seals
  • Circulator Pumps
  • Glycol Make Up Unit
  • Headers
  • Flange Sets
  • E-1510 Bell & Gossett
  • Submersible Pumps
  • Ball Bearings
  • Plumbing Supplies
  • Bell & Gossett
  • S.A. Armstrong
  • Water Transfer Pumps
  • Accessories

    • Shop by Brand

  • Armstrong
  • Bell & Gossett
  • Puffin
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  • View all Brands

    • L Series Hydronic Tanks 35-L to 130-L

    Armstrong L Series Hydronic Expansion Tanks, 35-L to 130-L

    Compact Armstrong L Series hydronic bladder expansion tanks from 35-L to 130-L, with a replaceable heavy-duty butyl bladder, rated 125 psi.

    Features

    • Shell: Carbon steel
    • Bladder: Heavy duty butyl, replaceable
    • Not for domestic potable water systems.
    • Designed and constructed per ASME Section VIII, Division 1.
    • California code sight-glass and seismic clips available as an option.
    • Mounting kit available on request.
    • Allow a minimum of 18" (457 mm) clearance for system piping.

    Select your size

    Click a model for full specifications, dimensions and documents.

    Model Tank volume A B Weight
    35-L 10 gal (38 L) 12.00" 23.50" 40 lb
    50-L 13 gal (49 L) 14.00" 24.00" 50 lb
    85-L 23 gal (87 L) 16.00" 37.00" 90 lb
    130-L 35 gal (132 L) 20.00" 37.00" 125 lb

    Dimensions in inches. Dimensions and weights are for reference only.

    Design & Submittals

    Warranty

    Covered by the Armstrong Fluid Technology manufacturer's warranty.

    Installation, Maintenance, Parts Kits & Manuals

    Need help sizing an expansion tank? call (416) 236-2338 or email sales@bramhambros.com

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