qstf-g1/8-4

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

The Festo QSTF-G1/8-4 is a versatile push-in T-fitting designed for pneumatic systems. It features a female thread G1/8 and is compatible with tubing outside diameter of 4 mm, making it a reliable choice for various applications. The fitting is RoHS-compliant and includes a blue release ring for easy identification.

Product Modelqstf-g1/8-4

Material Number186199

Product ID6468

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
Reliable ConnectionThe Festo QSTF-G1/8-4 ensures a secure and reliable connection with its push-in design, providing consistent performance in pneumatic systems.
2
Versatile CompatibilityCompatible with tubing outside diameter of 4 mm, this fitting is suitable for a wide range of pneumatic applications, from compressed air to water use.
3
High-Quality MaterialsMade from high-quality PBT housing and nickel-plated brass hollow bolt, this fitting is durable and resistant to corrosion, ensuring long-lasting performance.
4
Easy InstallationThe push-in design of the QSTF-G1/8-4 makes installation easy and quick, reducing downtime and increasing productivity in your operations.
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

3mm

Type of seal on screwed plug

Sealing ring

Mounting position

Any

Design

L-shape, additional connection internal thread lengthwise

Pack size

Compliance and SafetyRoHS-compliant and meeting CRC 1 corrosion resistance class, this fitting adheres to international safety standards, making it a safe choice for your applications.

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

5.4Nm

Tolerance for nominal tightening torque

± 20%

Product weight

20g

No. of outlets

No. of supply lines

Type of mounting

External hexagon, AF 14

Pneumatic connection 1

External thread G1/8

Pneumatic connection 2

Internal thread G1/8 for pneumatic tubing outside diameter 4 mm

Releasing ring color

Blue

Note on materials

RoHS-compliant

Housing material

PBT

Hollow bolt material

Brass, nickel-plated

Releasing ring material

POM

Material of tubing seal

NBR

Material of tube retaining claw

High-alloy stainless steel

Manufacturer ID

186199