qstl-1/4-6

Name: qstl-1/4-6
Brand: FESTO
SKU: qstl-1/4-6

The Festo QSTL-1/4-6 push-in T-fitting is a versatile and reliable component for pneumatic systems. It offers easy installation, high operating pressure, and compatibility with compressed air and water, making it suitable for a wide range of industrial applications.

Product Modelqstl-1/4-6

Material Number153119

Product ID2967

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
Easy InstallationThe QSTL-1/4-6 features a push-pull principle, allowing for quick and effortless installation without the need for tools.
2
Wide Operating Pressure RangeIt operates within a temperature-dependent pressure range of -0.95 to 14 bar, ensuring reliable performance in various conditions.
3
Compatibility with Multiple MediaThe fitting is designed to work with compressed air (ISO 8573-1:2010) and water, making it versatile for different pneumatic and hydraulic applications.
4
Corrosion ResistanceConstructed with materials like PBT, POM, and high-alloyed stainless steel, the QSTL-1/4-6 offers low corrosion stress, ensuring durability in harsh 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

4.3mm

Type of seal on screwed plug

Coating

Mounting position

Any

Design

L-shape, additional push-in connector, lengthwise

Pack size

Robust DesignWith a product weight of 22 grams and a compact design, the QSTL-1/4-6 is both lightweight and robust, making it easy to handle and integrate into complex systems.

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

22g

No. of outlets

No. of supply lines

Type of mounting

External hexagon, AF 14

Pneumatic connection 1

External thread R1/4

Pneumatic connection 2

for pneumatic tubing outside diameter 6 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

153119