- Industrial machinery – machining
centers, rotary index tables, heavy
equipment turrets, cable reels,
packaging machines, palletizing
machines, labeling machines,
remote sensing
Fluid Rotary Union
Model 306
Single Pass Fluid Rotary Union
The Model 306 is a single pass fluid rotary union. It can be operated as a stand alone FRU. Its design has been optimized to allow easy integration with an AC4598 / AC6200 electric slip ring (ESR). The 1-1/2” hollow bore and ESR pigtail channels allow concentric shaft mounting or optional flange mounting with an ESR mounted directly to it using the optional adapter.
The Model 306 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.
Features
- 1-1/2” through bore
- Pigtail channels integral to shaft
- 1 pass with 1/2” BSPP ports
- Rated to 145 psi [10 bar] at 100 rpm continuous service
- Maximum working pressure 4000 psi [275 bar]
- Maximum recommended speed 450 rpm (intermittent or with sufficient medium flow to cool assembly)
- 1/2-13 UNC-2B thread for torque arm
- Optional ESR drive pin matches AC4598 / AC6200 torque arm allowing a single anti rotation interface
- Optional ESR mount for AC4598 / AC6200 leaves reduced bore clear
- Stainless steel version available as special order
Benefits
- Continuous 360º rotation
- FRU transfers air, oil, other non-corrosive medium
- Provides long maintenance free service
- Convenient mounting of FRU / ESR combination
Specifications
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Operating Temperature
-40° to 100° C
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Passes Quantity Size
1x 1/2" BSPP
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Pressure and Speed
145 psi [10 bar] @ 100 rpm and 60° C
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Maximum Pressure
4000 psi [275 bar]
-
Maximum Speed
450 rpm (intermittent or with sufficient cooling from medium)
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Maximum Torque (Estimated)
6 lb-ft [8 N-m]
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Weight
25 lb [11 kg]
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Environmental
IP42
Please note that operational life of the unit is dependent upon rotational speed, environment and temperature. Flexible conduit should be used on the torque are end to avoid side loading, which can shorten operational life.
Typical Applications
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