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Oscillating Flange – Akron Brass


Oscillating Flange – Akron Brass

The Style 3531 Oscillating Flange has been designed, engineered, and tested to protect some of the world’s most valuable assets. Its unique maintenance-free polymer bearing design, high quality material construction and superior performance make it the ideal choice for a long-term, low service solution for protecting your hazardous and harsh environments. The Style 3531 is capable of flows to 1500 gpm at an oscillation range up to 165° and is compatible with most Akron Brass manual monitors.


  • Maintenance-free polymer bearing (no ball bearings)
  • Totally water powered (no electrical connections)
  • Heavy-duty low friction loss brass waterway
  • Stainless steel water drive turbine for long life performance
  • Oscillation range: 30°, 60°, 90°, 115°, 140° and 165°
  • Adjustable oscillation speed: 0-40 deg. / second
  • Operating pressure: 50-250 psi (3 – 17 bar)
  • Maximum flow and pressure: 1250 gpm (4750 lpm) @ 250 psi (17 bar) or 1500 gpm (5700 lpm) @ 180 psi (12.5 bar)
  • Inlet & outlet: 4″ 150#ASA flange
  • Integrated test port allows testing of the Oscillating Flange without discharging water from the monitor
  • FM Approved (when used with FM Approved monitor & nozzle)

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