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庫存編號 202-2841
製造零件編號QSR-G3/8-10
BrandFesto
HK$394.48
單位
QSR - Push In 10mm PBT - - - - 10mm - Push In
RS庫存編號 202-2767
製造零件編號QSR-3/8-8
BrandFesto
HK$242.58
單位
QSR - Push In 8mm PBT - - - - 8mm - Push In
RS庫存編號 202-2754
製造零件編號QSR-G1/8-6
BrandFesto
HK$193.91
單位
QSR - Push In 6mm PBT - - - - 6mm - Push In
RS庫存編號 202-2768
製造零件編號QSRL-1/2-12
BrandFesto
HK$404.56
單位
QSRL - - PBT - - - - - - -
RS庫存編號 202-2878
製造零件編號QSRL-3/8-10
BrandFesto
HK$382.34
單位
QSRL - Push In 10mm PBT - - - - 10mm - Push In
RS庫存編號 196-4532
製造零件編號MQR2-M5
BrandSMC
HK$7,035.42
單位
MQR M5 x 0.8 - Aluminium 1 MPa -10°C +80°C M5 x 0.8 - - -
RS庫存編號 202-2776
製造零件編號QSR-1/8-6
BrandFesto
HK$174.79
單位
QSR - Push In 6mm PBT - - - - 6mm - Push In
RS庫存編號 202-2778
製造零件編號QSRL-1/8-4
BrandFesto
HK$167.56
單位
QSRL - Push In 4mm PBT - - - - 4mm - Push In
RS庫存編號 202-2902
製造零件編號QSR-M5-6
BrandFesto
HK$174.79
單位
QSR - Push In 6mm PBT - - - - 6mm - Push In
RS庫存編號 202-2769
製造零件編號QSRL-1/8-6
BrandFesto
HK$174.79
單位
QSRL - Push In 6mm PBT - - - - 6mm - Push In
RS庫存編號 202-2784
製造零件編號QSR-G1/8-8
BrandFesto
HK$249.45
單位
QSR - Push In 8mm PBT - - - - 8mm - Push In
RS庫存編號 202-2833
製造零件編號QSR-G3/8-8
BrandFesto
HK$269.53
單位
QSR - Push In 8mm PBT - - - - 8mm - Push In
RS庫存編號 202-2777
製造零件編號QSR-3/8-10
BrandFesto
HK$358.17
單位
QSR - Push In 10mm PBT - - - - 10mm - Push In
RS庫存編號 202-2832
製造零件編號QSR-G1/4-6
BrandFesto
HK$193.91
單位
QSR - Push In 6mm PBT - - - - 6mm - Push In
RS庫存編號 202-2830
製造零件編號QSRL-3/8-12
BrandFesto
HK$389.32
單位
QSRL - Push In 10mm PBT - - - - 10mm - Push In
RS庫存編號 202-2755
製造零件編號QSRL-G1/2-12
BrandFesto
HK$443.15
單位
QSRL - - PBT - - - - - - -
RS庫存編號 202-2809
製造零件編號QSRL-1/4-8
BrandFesto
HK$227.97
單位
QSRL - Push In 8mm PBT - - - - 8mm - Push In
RS庫存編號 202-2876
製造零件編號QSR-1/8-8
BrandFesto
HK$227.97
單位
QSR - Push In 8mm PBT - - - - 8mm - Push In
RS庫存編號 202-2810
製造零件編號QSR-1/4-6
BrandFesto
HK$174.79
單位
QSR - Push In 6mm PBT - - - - 6mm - Push In
RS庫存編號 202-2808
製造零件編號QSR-G1/8-4
BrandFesto
HK$185.71
單位
QSR - Push In 4mm PBT - - - - 4mm - Push In