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AP 4 Flow Passage Rotary Unions

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Rotary Union Info

  • 4 Flow Passages
  • All-Purpose Use
  • Available in Stainless Steel (APS)
  • NPT or BSPP Thread Connections
  • Customizable Options
Part #Overall LengthBody DiameterPassage SizeConnection TypeThru-boreSlip Ring OptionGet Quote
AP-1404.6962.6870.1561/8 NPTNoneNoneGet Quote
AP-1414.7352.9370.1561/8 NPT0.500Get Quote
AP-2406.1183.1870.2501/4 NPTNoneNoneGet Quote
AP-2416.3273.7500.2501/4 NPT0.750Get Quote
AP-3406.9803.8750.3753/8 NPTNoneNoneGet Quote
AP-3417.3724.1870.3753/8 NPT0.750Get Quote
AP-4408.2474.2500.5001/2 NPTNoneNoneGet Quote
AP-4418.5924.9370.5001/2 NPT0.750Get Quote
AP-5409.7305.2500.7503/4 NPTNoneNoneGet Quote
AP-64112.1907.1871.0001 NPT1.000Get Quote

NOTE: All dimensions are shown in inches.

Electrical slip ring options available

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Plating and Coatings
Body Material Type: Carbon Steel with Black Oxide

Mounting
Shaft configuration: female tapped passages with an o-ring gland around each for optional flange mounting. Housing: tapped holes on end of the housing for mounting assembly.

Media Types
Air, Gas, Coolant*, Oil/Hydraulic*, Water/Glycol*

*Suitable Water/Glycol or Coolant media must have rust inhibitors present. Oil/Hydraulic media must be petroleum-based. Please consult with SRS.

Max. Pressure *
7500 PSI (517 BAR)

Max. Vacuum *
30 HG

Max. Rotational Speed *
up to 500 RPM

Temperature Range *
0° F to 220° F (-18° C to 105° C)

Min. Torque Required *
AP-140: 30 lbs-in
AP-141: 40 lbs-in
AP-240: 110 lbs-in
AP-241: 130 lbs-in
AP-340: 150 lbs-in
AP-341: 160 lbs-in
AP-440: 140 lbs-in
AP-441: 300 lbs-in
AP-540: 450 lbs-in
AP-641: 1300 lbs-in

* Values are dependent on a combination of all application parameters.

Temperatures outside of the recommended range may require alternative seal materials. Please consult with SRS.

Download AP Series Catalog
Part # PDF 2D Drawing (.pdf) DWG 2D Drawing (.dwg) STEP 3D CAD (.stp)
AP-140PDFDWGSTP
AP-141PDFDWGSTP
AP-240PDFDWGSTP
AP-241PDFDWGSTP
AP-340PDFDWGSTP
AP-341PDFDWGSTP
AP-440PDFDWGSTP
AP-441PDFDWGSTP
AP-540PDFDWGSTP
AP-641PDFDWGSTP

The AP Series rotary unions are available with a number of standard slip ring options (up to 56 circuits) for power, signal and data transfer. Slip ring assemblies are also available with protective aluminum covers for use in demanding environments and applications.

Please let us know your electrical requirements and we can make a recommendation for the best slip ring to integrate with your AP Series rotary union.

Electrical Slip Ring Information Needed:

  • Total Number of Circuits
  • Amperage Requirements per Circuit
  • Voltage Requirements per Circuit

Standard Electrical Slip Ring Options:

part # Circuits Amps/Circuit Voltage Lead Wire Length Capsule Length
ES6A¹ 6 2 120 48" 0.58"
ES6 6 2 240 48" 0.57"
ES12A¹ 12 2 120 48" 0.83"
ES12 12 2 240 48" 0.84"
ES18 18 2 240 48" 1.11"
ES24 24 2 240 48" 1.38"
ES36 36 2 240 48" 2.60"
ES56 56 2 240 48" 3.50"
ESM36 9 (3x) 10A (6x) 2A 240 48" 1.375"
ESM312 15 (3x) 5A (12x) 2A 240 48" 1.375"
ESM420 24 (4x) 10A (20x) 2A 240 48" 2.06"
ESM428 32 (4x) 5A (28x) 2A 240 48" 2.06"
ESM440 44 (4x) 10A (40x) 2A 240 48" 2.96"
ESM448 52 (4x) 5A (48x) 2A 240 48" 2.96"
EST6 6 10 600 36" 2.13"
EST12 12 10 600 36" 3.07"
EST18 18 10 600 36" 4.01"
EST24 24 10 600 36" 4.94"
ESE224²8(2x) 2A, (2x) 10A, (1x) Ethernet24048"1.680"
ESE64²10(6x) 2A, (1x) Ethernet24048"1.410"
ESE264²12(6x) 2A, (2x) 5A, (1x) Ethernet24048"1.680"
ESE284²14(8x) 2A, (2x) 10A, (1x) Ethernet24048"1.950"
ESE2124²18(12x) 2A, (2x) 5A, (1x) Ethernet24048"1.950"
ESE24278³41(27x) 2A, (4x) 5A, (2x) 10A, (1x) Ethernet24048"3.500"
ESE8278³43(27x) 2A, (8x) 5A, (1x) Ethernet24048"3.500"
ESE2358³45(35x) 2A, (2x) 10A, (1x) Ethernet24048"3.500"
ESE4358³47(35x) 2A, (4x) 5A, (1x) Ethernet24048"3.500"
ESE438³51(43x) 2A, (1x) Ethernet24048"3.500"
ESET4²4(1x) Ethernet60036"2.130"
ESET8³8(1x) Ethernet60036"3.070"
ESET68³14(6x) 10A, (1x) Ethernet60036"4.010"
ESET128³20(12x) 10A, (1x) Ethernet60036"4.940"
ESET184²22(18x) 10A, (1x) Ethernet60036"4.940"

¹ES6A and ES12A only available for AP-1x1 models
²100 BaseT Ethernet Connections
³1000 BaseT Ethernet Connections

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