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Model 301 Pneumatic / Hydraulic FRU

FLUID ROTARY UNION (FRU)

The Model 301 is a single pass fluid rotary union that can be operated as a stand alone FRU. Its design has been optimized to allow any standard AC4598 / AC6200 刘玥首次大战黑人electrical slip ring (ESR) to be mounted directly on the Model 301 body, simplifying the integration and mounting arrangement.

The Model 301 utilizes sealed-for-life rolling element bearings to provide long trouble free service. Filled PTFE based seals run on a hardened surface to provide long service life, minimizing frictional heat generation and operational torque. This unit has been tested in excess of 80 million revolutions. The BSPP ports and mounting flange allow convenient fixturing against an O-ring sealed shaft or separate threaded conduit.

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Features

  • 1-1/2 inch body O.D. to mount any standard AC4598 / AC6200
  • 1 pass with 1/2 inch BSPP ports
  • Rated to 145 psi [10 bar] at 250 rpm continuous service
  • Maximum working pressure 180 psi [12.5 bar]
  • Maximum recommended speed 2000 rpm (intermittent or with sufficient medium flow to cool assembly)
  • Stainless steel version available
  • Longer housing available to accommodate slip ring length

Benefits

  • Continuous 360潞 rotation
  • FRU transfers air, oil, other non-corrosive media
  • Provides long maintenance free service
  • Convenient mounting of FRU / ESR combination
  • Tested in excess of 80 million revolutions

Options

  • Stainless steel construction
  • Longer housing available to accommodate slip ring length
  • Low temp option available. Please contact factory
  • Integrated with any standard AC4598 or AC6200 ESR
  • Clean room compliant

Typical Applications

  • Machining centers
  • Rotary index tables
  • Heavy equipment turrets
  • Cable reels
  • Packaging machines
  • Palletizing machines
  • Labeling machines
  • Remote sensing

Specifications

Model 301 Specifications
Operating Temperature -20掳 to 60掳C with optional ESR
-20掳 to 80掳C without ESR installed
Passes Quantity & Size 1x 1/2 inch BSPP
Continuous Pressure and Speed1 145 psi [10 bar] @ 250 rpm
Maximum Pressure1 180 psi [12.5 bar]
Maximum Speed1 2000 rpm (intermittent or with sufficient cooling from medium)
Maximum Operating Torque聽(Estimated)2,3 2.5 lb-in [280 N-mm]
Environmental
Protected against dust and water ingress (IP64)

1Operational life is dependent on pressure, temperature, rotational speed duty cycle and size of assembly. Maximum values do not apply concurrently. Please consult the factory for actual value.

2Break-in torque may be higher

3Flexible conduit should be used to couple to the rotating component. The torque arm must be loose coupled.