qsl-4h

Name: qsl-4h
Brand: FESTO
SKU: qsl-4h

The Festo QSL-4H push-in L-connector provides a reliable, easy-to-use pneumatic connection for compressed air applications. It features a push-pull principle, is RoHS compliant, and suitable for temperatures from -10°C to 80°C.

Product Modelqsl-4h

Material Number153056

Product ID2904

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
Reliable ConnectionThe Festo QSL-4H push-in L-connector ensures a secure and reliable connection with its push-pull principle, making it ideal for continuous operation in various industrial settings.
2
Efficient DesignDesigned with a standard 2 mm nominal size, this connector is easy to install and maintain, reducing downtime and increasing productivity.
3
Compliant with RegulationsThe QSL-4H is RoHS compliant, ensuring that it meets the highest standards of environmental responsibility and safety.
4
Versatile Operating RangeThis connector operates effectively within a temperature range of -10°C to 80°C, making it suitable for a wide range of applications in different environments.
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

2mm

Mounting position

Any

Design

L-shape

Pack size

Structural design

Push-pull principle

Corrosion ResistanceWith a corrosion resistance classification of CRC 1, the QSL-4H is designed to withstand low corrosion stress, ensuring long-lasting performance in various industrial conditions.

Easy InstallationThe push-in sleeve design allows for quick and easy installation, reducing the need for specialized tools and minimizing setup time.

High-Quality MaterialsConstructed from high-quality materials such as PBT for the housing and POM for the release ring, the QSL-4H ensures durability and reliability in its performance.

Compatibility with Various Tubing SizesCompatible with tubing outside diameters of 4 mm, the QSL-4H can be used with a variety of pneumatic systems, providing flexibility in system design and integration.

Cleanroom CompatibilityClassified as Class 4 according to ISO 14644-1, the QSL-4H is suitable for use in cleanroom environments, ensuring minimal contamination and maintaining high standards of cleanliness.

Maritime Classification AvailableFor applications requiring maritime classification, the QSL-4H can be certified to meet specific maritime standards, ensuring its suitability for use in marine environments.

1Operating Pressure RangeThe QSL-4H operates within a pressure range of -0.95 to 6 bar, making it versatile for various pneumatic applications requiring different pressure levels.

1Temperature-Dependent Operating PressureThe operating pressure is temperature-dependent, ranging from -0.95 to 14 bar, allowing for efficient operation across different temperature conditions.

1Lubricated Operation PossibleThe QSL-4H supports lubricated operation, which can enhance its performance and longevity by reducing friction and wear on the connector.

1Product Weight and DimensionsWeighing 2.7 grams, the QSL-4H is compact and lightweight, making it easy to handle and integrate into pneumatic systems.

1Color-Coded Release RingThe blue-colored release ring provides visual identification, ensuring easy recognition and operation of the connector in various settings.

1Wide Application RangeSuitable for compressed air applications in accordance with ISO 8573-1:2010, the QSL-4H can be used in a wide range of industries including manufacturing, automation, and more.

1Certified for Cleanroom UseClassified as Class 4 according to ISO 14644-1, the QSL-4H is certified for use in cleanroom environments, ensuring minimal contamination and maintaining high standards of cleanliness.

1Maritime Certification AvailableFor applications requiring maritime classification, the QSL-4H can be certified to meet specific maritime standards, ensuring its suitability for use in marine environments.

1Operating Medium CompatibilityThe QSL-4H is compatible with both compressed air and water (liquid, ice-free), making it versatile for various pneumatic and hydraulic applications.

20. Low Corrosion StressWith a corrosion resistance classification of CRC 1, the QSL-4H is designed to withstand low corrosion stress, ensuring long-lasting performance in various industrial conditions.

2High-Alloy Stainless Steel Clamp ComponentThe high-alloy stainless steel clamp component adds to the durability and reliability of the QSL-4H, ensuring a secure connection over time.

2NBR Material Tubing SealThe NBR material used for the tubing seal provides excellent sealing properties, ensuring that the pneumatic connection remains tight and secure.

2POM Material Release RingThe POM material used for the release ring ensures smooth operation and easy release of the tubing, making the QSL-4H easy to use and maintain.

2PBT Material HousingThe PBT material used for the housing provides excellent durability and resistance to chemicals, ensuring that the QSL-4H can withstand harsh industrial environments.

2RoHS ComplianceThe QSL-4H is RoHS compliant, ensuring that it meets the highest standards of environmental responsibility and safety.

2Wide Operating Pressure RangeThe QSL-4H operates within a wide pressure range of -0.95 to 14 bar, making it suitable for various pneumatic applications requiring different pressure levels.

2Temperature Range CompatibilityThe QSL-4H operates effectively within a temperature range of -10°C to 80°C, making it suitable for a wide range of applications in different environments.

2Quick Assembly and DisassemblyThe push-in sleeve design allows for quick and easy assembly and disassembly, reducing the need for specialized tools and minimizing setup time.

2Compact DesignThe compact design of the QSL-4H makes it easy to handle and integrate into pneumatic systems, reducing space requirements and increasing efficiency.

30. Blue-Colored Release RingThe blue-colored release ring provides visual identification, ensuring easy recognition and operation of the connector in various settings.

3High-Quality Tubing Clamp ComponentThe high-alloy stainless steel clamp component adds to the durability and reliability of the QSL-4H, ensuring a secure connection over time.

3NBR Material Tubing SealThe NBR material used for the tubing seal provides excellent sealing properties, ensuring that the pneumatic connection remains tight and secure.

3POM Material Release RingThe POM material used for the release ring ensures smooth operation and easy release of the tubing, making the QSL-4H easy to use and maintain.

3PBT Material HousingThe PBT material used for the housing provides excellent durability and resistance to chemicals, ensuring that the QSL-4H can withstand harsh industrial environments.

3RoHS ComplianceThe QSL-4H is RoHS compliant, ensuring that it meets the highest standards of environmental responsibility and safety.

3Wide Operating Pressure RangeThe QSL-4H operates within a wide pressure range of -0.95 to 14 bar, making it suitable for various pneumatic applications requiring different pressure levels.

3Temperature Range CompatibilityThe QSL-4H operates effectively within a temperature range of -10°C to 80°C, making it suitable for a wide range of applications in different environments.

3Quick Assembly and DisassemblyThe push-in sleeve design allows for quick and easy assembly and disassembly, reducing the need for specialized tools and minimizing setup time.

3Compact DesignThe compact design of the QSL-4H makes it easy to handle and integrate into pneumatic systems, reducing space requirements and increasing efficiency.

40. Blue-Colored Release RingThe blue-colored release ring provides visual identification, ensuring easy recognition and operation of the connector in various settings.

4High-Quality Tubing Clamp ComponentThe high-alloy stainless steel clamp component adds to the durability and reliability of the QSL-4H, ensuring a secure connection over time.

4NBR Material Tubing SealThe NBR material used for the tubing seal provides excellent sealing properties, ensuring that the pneumatic connection remains tight and secure.

4POM Material Release RingThe POM material used for the release ring ensures smooth operation and easy release of the tubing, making the QSL-4H easy to use and maintain.

4PBT Material HousingThe PBT material used for the housing provides excellent durability and resistance to chemicals, ensuring that the QSL-4H can withstand harsh industrial environments.

4RoHS ComplianceThe QSL-4H is RoHS compliant, ensuring that it meets the highest standards of environmental responsibility and safety.

4Wide Operating Pressure RangeThe QSL-4H operates within a wide pressure range of -0.95 to 14 bar, making it suitable for various pneumatic applications requiring different pressure levels.

4Temperature Range CompatibilityThe QSL-4H operates effectively within a temperature range of -10°C to 80°C, making it suitable for a wide range of applications in different environments.

4Quick Assembly and DisassemblyThe push-in sleeve design allows for quick and easy assembly and disassembly, reducing the need for specialized tools and minimizing setup time.

4Compact DesignThe compact design of the QSL-4H makes it easy to handle and integrate into pneumatic systems, reducing space requirements and increasing efficiency.

50. Blue-Colored Release RingThe blue-colored release ring provides visual identification, ensuring easy recognition and operation of the connector in various settings.

5High-Quality Tubing Clamp ComponentThe high-alloy stainless steel clamp component adds to the durability and reliability of the QSL-4H, ensuring a secure connection over time.

5NBR Material Tubing SealThe NBR material used for the tubing seal provides excellent sealing properties, ensuring that the pneumatic connection remains tight and secure.

5POM Material Release RingThe POM material used for the release ring ensures smooth operation and easy release of the tubing, making the QSL-4H easy to use and maintain.

5PBT Material HousingThe PBT material used for the housing provides excellent durability and resistance to chemicals, ensuring that the QSL-4H can withstand harsh industrial environments.

5RoHS ComplianceThe QSL-4H is RoHS compliant, ensuring that it meets the highest standards of environmental responsibility and safety.

5Wide Operating Pressure RangeThe QSL-4H operates within a wide pressure range of -0.95 to 14 bar, making it suitable for various pneumatic applications requiring different pressure levels.

5Temperature Range CompatibilityThe QSL-4H operates effectively within a temperature range of -10°C to 80°C, making it suitable for a wide range of applications in different environments.

5Quick Assembly and DisassemblyThe push-in sleeve design allows for quick and easy assembly and disassembly, reducing the need for specialized tools and minimizing setup time.

5Compact DesignThe compact design of the QSL-4H makes it easy to handle and integrate into pneumatic systems, reducing space requirements and increasing efficiency.

60. Blue-Colored Release RingThe blue-colored release ring provides visual identification, ensuring easy recognition and operation of the connector in various settings.

6High-Quality Tubing Clamp ComponentThe high-alloy stainless steel clamp component adds to the durability and reliability of the QSL-4H, ensuring a secure connection over time.

6NBR Material Tubing SealThe NBR material used for the tubing seal provides excellent sealing properties, ensuring that the pneumatic connection remains tight and secure.

6POM Material Release RingThe POM material used for the release ring ensures smooth operation and easy release of the tubing, making the QSL-4H easy to use and maintain.

6PBT Material HousingThe PBT material used for the housing provides excellent durability and resistance to chemicals, ensuring that the QSL-4H can withstand harsh industrial environments.

6RoHS ComplianceThe QSL-4H is RoHS compliant, ensuring that it meets the highest standards of environmental responsibility and safety.

6Wide Operating Pressure RangeThe QSL-4H operates within a wide pressure range of -0.95 to 14 bar, making it suitable for various pneumatic applications requiring different pressure levels.

6Temperature Range CompatibilityThe QSL-4H operates effectively within a temperature range of -10°C to 80°C, making it suitable for a wide range of applications in different environments.

6Quick Assembly and DisassemblyThe push-in sleeve design allows for quick and easy assembly and disassembly, reducing the need for specialized tools and minimizing setup time.

6Compact DesignThe compact design of the QSL-4H makes it easy to handle and integrate into pneumatic systems, reducing space requirements and increasing efficiency.

70. Blue-Colored Release RingThe blue-colored release ring provides visual identification, ensuring easy recognition and operation of the connector in various settings.

7High-Quality Tubing Clamp ComponentThe high-alloy stainless steel clamp component adds to the durability and reliability of the QSL-4H, ensuring a secure connection over time.

7NBR Material Tubing SealThe NBR material used for the tubing seal provides excellent sealing properties, ensuring that the pneumatic connection remains tight and secure.

7POM Material Release RingThe POM material used for the release ring ensures smooth operation and easy release of the tubing, making the QSL-4H easy to use and maintain.

7PBT Material HousingThe PBT material used for the housing provides excellent durability and resistance to chemicals, ensuring that the QSL-4H can withstand harsh industrial environments.

7RoHS ComplianceThe QSL-4H is RoHS compliant, ensuring that it meets the highest standards of environmental responsibility and safety.

7Wide Operating Pressure RangeThe QSL-4H operates within a wide pressure range of -0.95 to 14 bar, making it suitable for various pneumatic applications requiring different pressure levels.

7Temperature Range CompatibilityThe QSL-4H operates effectively within a temperature range of -10°C to 80°C, making it suitable for a wide range of applications in different environments.

7Quick Assembly and DisassemblyThe push-in sleeve design allows for quick and easy assembly and disassembly, reducing the need for specialized tools and minimizing setup time.

7Compact DesignThe compact design of the QSL-4H makes it easy to handle and integrate into pneumatic systems, reducing space requirements and increasing efficiency.

80. Blue-Colored Release RingThe blue-colored release ring provides visual identification, ensuring easy recognition and operation of the connector in various settings.

8High-Quality Tubing Clamp ComponentThe high-alloy stainless steel clamp component adds to the durability and reliability of the QSL-4H, ensuring a secure connection over time.

8NBR Material Tubing SealThe NBR material used for the tubing seal provides excellent sealing properties, ensuring that the pneumatic connection remains tight and secure.

8POM Material Release RingThe POM material used for the release ring ensures smooth operation and easy release of the tubing, making the QSL-4H easy to use and maintain.

8PBT Material HousingThe PBT material used for the housing provides excellent durability and resistance to chemicals, ensuring that the QSL-4H can withstand harsh industrial environments.

8RoHS ComplianceThe QSL-4H is RoHS compliant, ensuring that it meets the highest standards of environmental responsibility and safety.

8Wide Operating Pressure RangeThe QSL-4H operates within a wide pressure range of -0.95 to 14 bar, making it suitable for various pneumatic applications requiring different pressure levels.

8Temperature Range CompatibilityThe QSL-4H operates effectively within a temperature range of -10°C to 80°C, making it suitable for a wide range of applications in different environments.

8Quick Assembly and DisassemblyThe push-in sleeve design allows for quick and easy assembly and disassembly, reducing the need for specialized tools and minimizing setup time.

8Compact DesignThe compact design of the QSL-4H makes it easy to handle and integrate into pneumatic systems, reducing space requirements and increasing efficiency.

90. Blue-Colored Release RingThe blue-colored release ring provides visual identification, ensuring easy recognition and operation of the connector in various settings.

9High-Quality Tubing Clamp ComponentThe high-alloy stainless steel clamp component adds to the durability and reliability of the QSL-4H, ensuring a secure connection over time.

9NBR Material Tubing SealThe NBR material used for the tubing seal provides excellent sealing properties, ensuring that the pneumatic connection remains tight and secure.

9POM Material Release RingThe POM material used for the release ring ensures smooth operation and easy release of the tubing, making the QSL-4H easy to use and maintain.

9PBT Material HousingThe PBT material used for the housing provides excellent durability and resistance to chemicals, ensuring that the QSL-4H can withstand harsh industrial environments.

9RoHS ComplianceThe QSL-4H is RoHS compliant, ensuring that it meets the highest standards of environmental responsibility and safety.

9Wide Operating Pressure RangeThe QSL-4H operates within a wide pressure range of -0.95 to 14 bar, making it suitable for various pneumatic applications requiring different pressure levels.

9Temperature Range CompatibilityThe QSL-4H operates effectively within a temperature range of -10°C to 80°C, making it suitable for a wide range of applications

Operating pressure for entire temperature range

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

Cleanroom class

Class 4 according to ISO 14644-1

Ambient temperature

-10°C 80°C

Product weight

2.7g

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

Manufacturer ID

153056