Pneumatic Rotary Unions

Pneumatic rotary unions, also known as rotary joints, are fittings used in pneumatic systems to enable rotation between parts. Pneumatic rotary fittings sit between a stationary part and a moving part. They allow compressed air or gases to flow easily from one part to another, and through to the rest of the pneumatic system. An example would be for the rotary union to sit between a pneumatic tube and a rotating drum.

Pneumatic rotary unions can be used in high-pressure environments and are designed to be able to withstand constant movement. They are generally made from stainless steel as it is also corrosion resistant.

Rotary unions consist of:

  • Housing
  • Shaft
  • Bearing
  • Seal

How does a pneumatic rotary union work?

Rotary unions act as an interface between the static and moving parts. Gas enters the pneumatic rotary union and is held within the union as it rotates. Once the openings of the valve meet, the gas is released from the fitting.Once it has left, more gas can enter the rotary union, and the process is repeated.


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Description Price Manufacturer Series Threaded Connection Tube Connection Material Maximum Operating Pressure Minimum Operating Temperature Maximum Operating Temperature Threaded Connection - Thread Size Tube Connection - Tube Size Threaded Connection - Gender Tube Connection - Type
RS Stock No. 202-2885
Mfr. Part No.QSR-3/8-12
BrandFesto
PHP2,716.56
Each
units
QSR - - PBT - - - - - - -
RS Stock No. 202-2902
Mfr. Part No.QSR-M5-6
BrandFesto
PHP1,143.85
Each
units
QSR - Push In 6mm PBT - - - - 6mm - Push In
RS Stock No. 202-2812
Mfr. Part No.QSRL-G1/8-4
BrandFesto
PHP1,177.54
Each
units
QSRL - Push In 4mm PBT - - - - 4mm - Push In
RS Stock No. 202-2813
Mfr. Part No.QSR-M5-4
BrandFesto
PHP1,073.88
Each
units
QSR - Push In 4mm PBT - - - - 4mm - Push In
RS Stock No. 202-2829
Mfr. Part No.QSR-1/2-12
BrandFesto
PHP2,609.70
Each
units
QSR - - PBT - - - - - - -
RS Stock No. 202-2832
Mfr. Part No.QSR-G1/4-6
BrandFesto
PHP1,247.33
Each
units
QSR - Push In 6mm PBT - - - - 6mm - Push In
RS Stock No. 202-2811
Mfr. Part No.QSR-G1/2-12
BrandFesto
PHP2,809.78
Each
units
QSR - - PBT - - - - - - -
RS Stock No. 202-2834
Mfr. Part No.QSRL-G1/4-8
BrandFesto
PHP1,604.60
Each
units
QSRL - Push In 8mm PBT - - - - 8mm - Push In
RS Stock No. 202-2855
Mfr. Part No.QSRL-G1/4-6
BrandFesto
PHP1,268.99
Each
units
QSRL - Push In 6mm PBT - - - - 6mm - Push In
RS Stock No. 202-2810
Mfr. Part No.QSR-1/4-6
BrandFesto
PHP1,124.33
Each
units
QSR - Push In 6mm PBT - - - - 6mm - Push In
RS Stock No. 202-2756
Mfr. Part No.QSRL-G3/8-10
BrandFesto
PHP2,704.05
Each
units
QSRL - Push In 10mm PBT - - - - 10mm - Push In
RS Stock No. 202-2830
Mfr. Part No.QSRL-3/8-12
BrandFesto
PHP2,504.34
Each
units
QSRL - Push In 10mm PBT - - - - 10mm - Push In
RS Stock No. 202-2783
Mfr. Part No.QSR-1/4-8
BrandFesto
PHP1,466.39
Each
units
QSR - Push In 8mm PBT - - - - 8mm - Push In
RS Stock No. 202-2754
Mfr. Part No.QSR-G1/8-6
BrandFesto
PHP1,247.33
Each
units
QSR - Push In 6mm PBT - - - - 6mm - Push In
RS Stock No. 196-4532
Mfr. Part No.MQR2-M5
BrandSMC
PHP44,256.09
Each
units
MQR M5 x 0.8 - Aluminium 1 MPa -10°C +80°C M5 x 0.8 - - -
RS Stock No. 202-2809
Mfr. Part No.QSRL-1/4-8
BrandFesto
PHP1,466.39
Each
units
QSRL - Push In 8mm PBT - - - - 8mm - Push In
RS Stock No. 202-2773
Mfr. Part No.QSRL-G1/8-8
BrandFesto
PHP1,604.60
Each
units
QSRL - Push In 8mm PBT - - - - 8mm - Push In
RS Stock No. 202-2814
Mfr. Part No.QSRL-M5-4
BrandFesto
PHP1,073.88
Each
units
QSRL - Push In 4mm PBT - - - - 4mm - Push In
RS Stock No. 202-2768
Mfr. Part No.QSRL-1/2-12
BrandFesto
PHP2,565.15
Each
units
QSRL - - PBT - - - - - - -
RS Stock No. 202-2833
Mfr. Part No.QSR-G3/8-8
BrandFesto
PHP1,708.95
Each
units
QSR - Push In 8mm PBT - - - - 8mm - Push In