Skip to content

Foster FST Series Couplers (Straight-Thru)

Foster FST Series full-flow straight-through hydraulic couplers and plugs — no valve in either half, so the inside diameter matches the nominal pipe for maximum flow. Standard Industrial Interchange with manual sleeve connection, body sizes 1/8" to 1-1/2". Brass, steel, and 303 stainless; ball-lock option available. Note: lines do not self-seal on disconnect.

  • Foster SHB7SS, SHB Band Clamp, Stainless Steel
    Save 20% Save %
    $ 130.39
    $ 130.39 - $ 130.39
    $ 130.39
    $ 104.29
    $ 104.29 - $ 104.29
    $ 104.29

    Foster BL75FSS, 3/4" Straight-Thru Coupler x 3/4" Female NPT, FST Series, Ball Lock, 303 Stainless Steel

    In stock

    Maximum-flow connections for air, fluid, and vacuum lines. The Foster BL75FSS is a 303 stainless steel 3/4" coupler from the FST Straight-Thru Seri...

    View full details
    $ 130.39
    $ 130.39 - $ 130.39
    $ 130.39
    $ 104.29
    $ 104.29 - $ 104.29
    $ 104.29
    Save 20% Save %