qstl-g1/4-8

Name: qstl-g1/4-8
Brand: FESTO
SKU: qstl-g1/4-8

The Festo QSTL-G1/4-8-50 push-in T-fitting is designed for efficient pneumatic connections, featuring a sealing ring for secure operation and a T-shape design for easy installation. It supports a wide operating pressure range and is compatible with compressed air and water.

Product Modelqstl-g1/4-8

Material Number186172

Product ID6440

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
Reliable SealingThe QSTL-G1/4-8-50 features a sealing ring that ensures a secure and leak-free connection, making it ideal for various industrial applications.
2
Versatile Operating PressureThis push-in T-fitting supports an operating pressure range of -0.95 to 6 bar, accommodating different pneumatic system requirements.
3
Easy InstallationThe T-shape design of the QSTL-G1/4-8-50 makes it easy to install and connect, reducing setup time and increasing productivity.
4
Compatibility with Multiple MediaThe QSTL-G1/4-8-50 is compatible with both compressed air and water, making it a versatile solution for various industrial processes.
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

6.7mm

Type of seal on screwed plug

Sealing ring

Mounting position

Any

Design

L-shape, additional push-in connector, lengthwise

Pack size

Corrosion ResistanceWith a corrosion resistance class of CRC 1, the QSTL-G1/4-8-50 is designed to withstand low corrosion stress, ensuring long-term reliability in harsh environments.

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 Water: G-thread only possible with sealing ring type OL as additional accessory

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

27g

No. of outlets

No. of supply lines

Type of mounting

External hexagon, AF 17

Pneumatic connection 1

External thread G1/4

Pneumatic connection 2

for pneumatic tubing outside diameter 8 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

186172