Festo QSR-1/8-4 Pneumatic Rotary Union

Selling Points

1High-Quality Materials: Made from RoHS-compliant nickel-plated brass and PBT housing, ensuring durability and reliability.
20° Rotational Capability: Designed with a ball bearing for smooth and precise 360° rotation, ideal for various pneumatic applications.
3Push-In Design: Easy to install with a push-in connection for tubing outside diameter of 4 mm, reducing installation time and effort.
4Corrosion Resistance: Classified as CRC 1 – Low corrosion stress, making it suitable for use in various environments.
5Operating Pressure Range: Compatible with operating pressures from -0.95 bar to 6 bar and temperature-dependent pressures up to 14 bar, ensuring versatile use in different conditions.

Detailed engineering parameters based on manufacturer documentation

Parameter	Value	Parameter	Value
Size	Standard	Nominal width	2.1mm
Type of seal on screwed plug	Coating	Mounting position	Any
Design	Straight design	Pack size	1
Structural design	Push-pull principle	Operating pressure for entire temperature range	-13.775psi 87psi
Temperature-dependent operating pressure	-13.775psi 203psi	Max. rotational speed	500rpm
Operating medium	Compressed air as per ISO 8573-1:2010 [7:-:-]	Information on operating and pilot media	Operation with oil lubrication possible
Corrosion resistance class (CRC)	1 - Low corrosion stress	LABS (PWIS) conformity	VDMA24364-B1/B2-L
Ambient temperature	0°C 60°C	Max. radial torque	0.006Nm
Nominal tightening torque	7Nm	Tolerance for nominal tightening torque	± 20%
Product weight	14g	Type of mounting	External hexagon, AF 12
Pneumatic connection 1	External thread R1/8	Pneumatic connection 2	for pneumatic tubing outside diameter 4 mm
Releasing ring color	Blue	Material of screwed plug	Brass, nickel-plated
Note on materials	RoHS-compliant	Housing material	PBT
Releasing ring material	POM	Material of tubing seal	NBR
Material of tube retaining claw	High-alloy stainless steel	Manufacturer ID	153401

Specifications may be subject to change without notice