qs-1/4-12-i

Name: qs-1/4-12-i
Brand: FESTO
SKU: qs-1/4-12-i

The Festo QS-1/4-12-I push-in fitting provides a secure and efficient pneumatic connection. Suitable for compressed air applications, it features a standard size, 6.3mm nominal size, and optional mounting positions.

Product Modelqs-1/4-12-i

Material Number190649

Product ID7253

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
Reliable Pneumatic ConnectionThe Festo QS-1/4-12-I push-in fitting ensures a secure and reliable connection for pneumatic systems, making it ideal for various industrial applications.
2
Standard Size and Nominal SizeWith a standard size and 6.3mm nominal size, this fitting is versatile and compatible with a wide range of pneumatic tubing diameters.
3
Optional Mounting PositionThe QS-1/4-12-I offers optional mounting positions, providing flexibility in installation and reducing the need for additional adapters.
4
High-Pressure CompatibilityThis fitting supports operating pressures up to 14 bar, making it suitable for high-pressure pneumatic applications.
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

6.3mm

Type of seal on screwed plug

Coating

Mounting position

Any

Design

Straight design

Pack size

Durable MaterialsConstructed from brass with a nickel-plated housing and POM material release ring, the QS-1/4-12-I ensures durability and resistance to corrosion, extending its lifespan in harsh environments.

Compliance and CertificationsThe Festo QS-1/4-12-I is RoHS-compliant and meets VDMA24364-B1/B2-L lABS (PWIS) conformity standards, ensuring it meets stringent environmental and safety regulations.

Easy InstallationFeaturing a push-pull principle design, the QS-1/4-12-I is easy to install and use, reducing the risk of incorrect assembly and ensuring quick setup times.

Temperature RangeThe fitting operates effectively within a temperature range of -10°C to 80°C, making it suitable for a variety of industrial environments.

Corrosion ResistanceWith a corrosion resistance class of CRC, the QS-1/4-12-I provides moderate corrosion stress resistance, ensuring it remains functional even in challenging conditions.

Technical SupportFesto offers free lifetime technical support, ensuring that users have access to expert advice and assistance whenever needed.

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

Ambient temperature

-10°C 80°C

Nominal tightening torque

9Nm

Tolerance for nominal tightening torque

± 20%

Product weight

29g

Type of mounting

Internal hexagon, AF 6

Pneumatic connection 1

External thread R1/4

Pneumatic connection 2

for pneumatic tubing outside diameter 12 mm

Releasing ring color

Blue

Note on materials

RoHS-compliant

Housing material

Brass, nickel-plated

Releasing ring material

POM

Material of tubing seal

NBR

Material of tube retaining claw

High-alloy stainless steel

Manufacturer ID

190649