The Festo QSL-4HL, with MPN 153065, is a high-performance pneumatic fitting specifically designed to enhance the efficiency and reliability of pneumatic systems. This fitting is engineered to provide a robust solution for connecting pneumatic components securely, ensuring optimal air flow and reducing downtime in industrial settings.

Key Features:

High-Flow Design: The QSL-4HL features a design optimized for high air flow, which helps in maintaining strong and consistent performance throughout pneumatic systems.
Durable Materials: Constructed from superior materials, this fitting is capable of withstanding the rigorous demands of industrial environments, ensuring durability and a long service life.
Leak-Resistant Connection: It offers a secure, leak-resistant connection, crucial for maintaining system integrity and operational efficiency.
Simple Installation: Equipped with a user-friendly push-in design, the QSL-4HL allows for easy and quick installation, minimizing setup time and potential for errors.
Compact and Functional: Its compact size does not compromise its functionality, making it an ideal choice for applications with limited space.

Benefits:

Improved System Performance: By facilitating a high volume of air flow, it contributes significantly to the overall performance and efficiency of pneumatic systems.
Cost Efficiency: Reduces operational costs by minimizing air leakage and maintaining pressure stability, which in turn conserves energy.
Extended Maintenance Intervals: Robust construction and secure connections extend the maintenance intervals, reducing the frequency of repairs and replacements.
Enhanced Safety: Secure fittings reduce the risk of disconnections and leaks, thus enhancing the safety of operations within industrial facilities.

Applications:

Automated Production Lines: Essential for systems in automated production lines where high air flow and reliability are necessary for optimal operation.
Pneumatic Transport Systems: Plays a vital role in ensuring the efficiency of pneumatic transport systems by preventing air loss.
Fabrication and Assembly: Ideal for use in fabrication and assembly industries, where precise and reliable pneumatic control is crucial.
Diverse Industrial Applications: Its versatility makes it suitable for a wide range of applications across various sectors, including automotive, electronics, and pharmaceutical manufacturing.

The Festo QSL-4HL Pneumatic Fitting stands out as a cornerstone of reliability and efficiency in Festo’s line of advanced pneumatic solutions, tailored to meet the demanding needs of modern industrial applications and optimize system performance.

Technical Data

Feature	Specification
Size	Standard
Nominal width	2 mm
Mounting position	Any
Design	L-shape, long
Pack size	10
Structural design	Push-pull principle
Operating pressure for entire temperature range	-0.095 MPa … 0.6 MPa
Operating pressure for entire temperature range	-0.95 bar … 6 bar
Operating pressure for entire temperature range	-13.775 psi … 87 psi
Temperature-dependent operating pressure	-0.095 MPa … 1.4 MPa
Temperature-dependent operating pressure	-0.95 bar … 14 bar
Temperature-dependent operating pressure	-13.775 psi … 203 psi
Maritime classification	See certificate
Operating medium	Compressed air as per ISO 8573-1:2010 [7:-:-] Water as per manufacturer’s declaration at www.festo.com
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
Product weight	2.8 g
Pneumatic connection 1	Push-in sleeve Ø 4 mm
Pneumatic connection 2	for pneumatic tubing outside diameter 4 mm
Releasing ring color	Blue
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