Efficient and durable push-in fitting for pneumatic applications. Compatible with compressed air and vacuum, operating up to 70°C and 16 bar.
Product Modelqstl-1/2-12
Material Number153126
Product ID2974
Stock on Request
Last updated: 8/29/2026
Key Features
1
Reliable PerformanceThe Festo QSTL-1/2-12 push-in fitting is engineered to provide consistent and reliable performance in pneumatic applications. Its robust design ensures that connections remain secure under various operating conditions.
2
Temperature and Pressure RangeThis fitting is designed to operate within a temperature range of up to 70°C and withstand pressures up to 16 bar, making it suitable for a wide range of industrial applications.
3
Ease of UseThe push-in design of the QSTL-1/2-12 fitting makes it easy to install and connect, reducing the time and effort required for setup. The captive seal and stainless steel retaining claw ensure a secure fit without damaging the tubing.
4
Corrosion ResistanceAll brass parts of the Festo push-in fittings, including the QSTL-1/2-12, have nickel-plated surfaces, providing high resistance to corrosion. This ensures the longevity of the fitting even in harsh environments.
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
10.3mm
Type of seal on screwed plug
Coating
Mounting position
Any
Design
L-shape, additional push-in connector, lengthwise
Pack size
1
5
Versatility in ApplicationsThe QSTL-1/2-12 is compatible with compressed air and vacuum, making it versatile for various pneumatic applications. It is also suitable for use in cleanroom environments, adhering to ISO 14644-1 standards for cleanliness.
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
26Nm
Tolerance for nominal tightening torque
± 20%
Product weight
72g
No. of outlets
2
No. of supply lines
1
Type of mounting
External hexagon, AF 21
Pneumatic connection 1
External thread R1/2
Pneumatic connection 2
for pneumatic tubing outside diameter 12 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
153126
Festo QSTL-1/2-12 Push-in Fitting for Pneumatic Applications | INDSLT
