Festo QST-1/4-4 Push-in T-Fitting - High-Quality Pneumatic Connector

Selling Points

1360° Orientable Design: Easily position the fitting in any direction.
2Corrosion Resistance: Classified as CRC 1, ensuring low corrosion stress.
3Operating Pressure Range: Handles up to 6 bar at complete temperature range and 14 bar at specific temperatures.
4Versatile Use: Suitable for compressed air and water, as per ISO8573-1:2010 and manufacturer’s declaration.
5Compact and Lightweight: Weighs only 20 grams, making it ideal for various applications.

Detailed engineering parameters based on manufacturer documentation

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
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	9Nm	Tolerance for nominal tightening torque	± 20%
Product weight	20g	No. of outlets	2
No. of supply lines	1	Type of mounting	External hexagon, AF 14
Pneumatic connection 1	External thread R1/4	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	190668

Specifications may be subject to change without notice