qsr-1/8-4

Product ID:2723
Updated: 2026/7/7
Festo qsr-1/8-4

Key Features

  • 1Ensure durability with RoHS-compliant nickel-plated brass and PBT housing.
  • 2Enable smooth 360° rotation via a precision ball bearing design.
  • 3Simplify installation using the push-in connection for 4 mm tubing.
  • 4Resist corrosion effectively with a CRC 1 low-stress rating.
  • 5Operate reliably across a wide pressure range from -0.95 to 6 bar.

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Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
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

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