Unloaders and Relief Valves


Suttner ST261 Unloader Valve 3600psi 8.0gpm

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Suttner ST261 unloader valve.

3625 Maximum Rated Pressure

  • 8gpm rated flow
  • 3/8" Female Inlet / Outlet
  • 1/4" Female Bypass
  • 176°F max temperature


      Failure to install and set the unloader properly could result in a very dangerous situation causing severe damage to the pump and possibly the operator.

      Professional installation is required.