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Harken Size -12 Integral Backstay Cylinder - 40 mm Bore
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Harken Size -12 Integral Backstay Cylinder - 40 mm Bore

HARHCI040160385BCC
Harken
Price: $1,976.99

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    Product Description


    Harken’s integral hydraulic backstay adjuster provides the power to optimize sail shape quickly. The cylinder features a built-in, double-acting pump that delivers oil when the handle is both pushed and pulled. This moves oil through the system twice as fast as single-acting pumps on other integrals.
    Assemblies include a hardcoat-anodized aluminum cylinder and pump, valve, gauge, and stainless pump handle with three attachment options: pin installs handle permanently; O-ring secures handle in socket, but is not permanent; nonlocking handle installs without O-ring and roll pin. All pins and plugs are stainless steel. Cylinders include a clevis on both ends. Standard eye-jaw toggles fit all Harken® cylinders.
    The pressure release knob turns clockwise to close and pump, counterclockwise to release. When closing the pump, the knob cannot be over-tightened by hand, preventing damage to the valve. Release speed depends on how far open the knob is turned. Pressure relief is factory set to prevent crew from over-tensioning the backstay.
    An analog gauge with pressure increments reading 0-5 (0-5000 psi) is prominently mounted at the top of the cylinder. The gauge adjusts to four positions for easy viewing from the cockpit.



    Technical Information


    Tech Specs
    Imperial Metric
    Maximum wire Ø -12 8 mm
    Stroke 5/16 in 385 mm
    Pin center length 15.2 in 832 mm
    Weight 32.8 in 4.92 kg
    Gap/pin Ø 10.8 lb 15.9 mm
    Pull force @ 1000 psi/69 bar 5/8 in 952 kg
    Pull force @ 2000 psi/138 bar 2098 lb 1904 kg
    Pull force @ 3000 psi/207 bar 4197 lb 2855 kg
    Pull force @ 5000 psi/345 bar 6295 lb 4759 kg
    Breaking load 10492 lb 9518 kg
    Footno 20984 lb For pin center length open add stroke length to pin center length closed., Max relief setting is 5, 000 psi / 345 bar., Rod ends (forks) included in weights.



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