qstf-1/4-3/8-u

Product ID:6843
Updated: 2026/7/4
Festo qstf-1/4-3/8-u

Key Features

  • 1Ensure secure and efficient airflow in pneumatic systems.
  • 2Connect 1/4" and 3/8" tubing with versatile NPT threads.
  • 3Construct the fitting from durable, wear-resistant PBT material.
  • 4Install quickly using the tool-free push-in design.
  • 5Apply in various systems requiring reliable connections.

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Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Size
Standard
Nominal width
6.5mm
Type of seal on screwed plug
Coating
Mounting position
Any
Design
L-shape, additional connection internal thread lengthwise
Pack size
1
Structural design
Push-pull principle
Operating pressure for entire temperature range
-13.775psi 145psi
Maritime classification
See certificate
Operating medium
Compressed air as per ISO 8573-1:2010 [7:-:-]
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 60°C
Max. tightening torque
14Nm
Product weight
43g
No. of outlets
2
No. of supply lines
1
Type of mounting
External hexagon 11/16
Pneumatic connection 1
external thread 1/4 NPT
Pneumatic connection 2
Internal thread 1/4 NPT for pneumatic tubing outside diameter 3/8"
Ambient temperature Fahrenheit
14°F 140°F
Releasing ring color
Gray
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
190829

Specifications may be subject to change without notice

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