Festo QSR-1/8-1/4-U: Rotatable push-in fitting with PTFE-coated thread and quick star connection for reliable pneumatic applications.
Product Modelqsr-1/8-1/4-u
Material Number153954
Product ID3332
Stock on Request
Last updated: 8/29/2026
Key Features
1
Rotatable DesignThe Festo QSR-1/8-1/4-U features a rotatable design, allowing for easy installation and adjustment in tight spaces. This flexibility enhances the overall usability of the fitting, making it a versatile choice for various pneumatic systems.
2
PTFE-Coated ThreadThe PTFE-coated thread ensures a tight seal and minimizes the risk of leaks. This coating also reduces wear and tear on the threads, extending the lifespan of the fitting and maintaining its performance over time.
3
Quick Star ConnectionThe quick star connection of the QSR-1/8-1/4-U provides a fast and secure connection, reducing the time required for setup and maintenance. This feature is particularly beneficial in high-speed applications where quick connections are crucial.
4
Reliable Air FlowDesigned with a straight form and shape, the QSR-1/8-1/4-U ensures minimal resistance to air flow. This results in consistent and reliable performance, making it suitable for a wide range of pneumatic applications.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Size
Standard
Nominal width
3.4mm
Type of seal on screwed plug
Coating
Mounting position
Any
Design
Straight design
Pack size
1
5
Easy InstallationThe push-in design of the Festo QSR-1/8-1/4-U makes installation straightforward and hassle-free. Users can simply push the fitting into place, eliminating the need for additional tools or complex procedures, which saves time and effort.
Structural design
Push-pull principle
Operating pressure for entire temperature range
-13.775psi 145psi
Maritime classification
See certificate
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
-10°C 60°C
Max. tightening torque
8Nm
Product weight
18g
Type of mounting
External hexagon 9/16
Pneumatic connection 1
external thread 1/8 NPT
Pneumatic connection 2
for pneumatic tubing outer diameter 1/4
Ambient temperature Fahrenheit
14°F 140°F
Releasing ring color
Gray
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
153954
Festo QSR-1/8-1/4-U Rotatable Push-in Fitting | Quick Star Series | INDSLT