Festo QST-1/8-4: Reliable T-fitting for pneumatic connections, suitable for compressed air and water, with a T-shape design and low to moderate corrosion resistance.
Product Modelqst-1/8-4
Material Number153106
Product ID2954
Stock on Request
Last updated: 8/29/2026
Key Features
1
Reliable DesignThe Festo QST-1/8-4 features a robust T-shape design, ensuring secure and reliable connections in pneumatic systems.
2
Wide Operating RangeThis fitting operates effectively within a temperature range of -10°C to 80°C, making it versatile for various industrial applications.
3
CompatibilityDesigned for use with compressed air to ISO 8573-1:2010 and water (liquid, ice-free), the QST-1/8-4 is ideal for diverse pneumatic needs.
4
Low to Moderate Corrosion ResistanceWith a corrosion resistance class of CRC 1, this fitting offers low to moderate protection against corrosion, suitable for applications with minimal to moderate exposure to corrosive environments.
5
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
2.8mm
Type of seal on screwed plug
Coating
Mounting position
Any
Design
T-shape
Pack size
10
Easy InstallationThe push-in principle allows for quick and easy installation, reducing downtime and increasing efficiency in your pneumatic system setup.
Structural design
Push-pull principle
Operating pressure for entire temperature range
-13.775psi 87psi
Temperature-dependent operating pressure
-13.775psi 203psi
Information on operating pressure
Water: max. 0.6 MPa at max. 50 °C
Operating medium
Compressed air as per ISO 8573-1:2010 [7:-:-] Water (liquid, ice-free)
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
Cleanroom class
Class 4 according to ISO 14644-1
Ambient temperature
-10°C 80°C
Nominal tightening torque
7Nm
Tolerance for nominal tightening torque
± 20%
Product weight
13g
No. of outlets
2
No. of supply lines
1
Type of mounting
External hexagon, AF 10
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
153106
Festo QST-1/8-4 Push-in T-Fitting for Pneumatic Connections | INDSLT
