The Festo HE-2-1/4-QS-8, bearing MPN 153472, is a high-caliber Pneumatic Shut-off Valve specifically engineered to deliver exceptional control and reliability in pneumatic systems. Designed for precision and efficiency, this shut-off valve ensures a safe and effective cessation of air flow in various industrial settings.

Key Features:

Precision Flow Control: This shut-off valve allows for precise management of air flow, ensuring critical operations can be halted safely and efficiently when necessary.
Durable Construction: Built from robust materials, the HE-2-1/4-QS-8 is capable of withstanding demanding industrial environments, guaranteeing durability and a long service life.
Compact and Efficient Design: Its sleek, compact design makes it ideal for installation in systems where space is at a premium without compromising on performance.
Easy Installation: Engineered for simplicity, it features quick-connect fittings that facilitate hassle-free installation and maintenance.
Versatile Application: Compatible with a broad spectrum of pneumatic systems, it integrates effortlessly into existing configurations, providing great adaptability.

Benefits:

Enhanced Operational Safety: By providing reliable shut-off capabilities, it enhances safety standards across pneumatic operations, preventing potential hazards.
Operational Cost Savings: It helps in reducing energy costs by efficiently managing air flow, which minimizes unnecessary consumption.
Maintenance Reduction: Designed for longevity and reliability, it decreases the frequency and costs associated with maintenance.
System Reliability: Ensures consistent performance and reliability of pneumatic systems by preventing air leaks and maintaining pressure integrity.

Applications:

Automated Assembly Lines: Crucial for operations that require immediate cessation of air flow to prevent errors or accidents, enhancing production quality and safety.
Safety Systems: Integral to safety-critical applications where immediate shut-off of air supply is necessary.
Industrial Automation: A key component in automated machinery and robotics, ensuring precise control over pneumatic functions.
General Pneumatics: Suitable for a wide range of industrial pneumatic applications, from manufacturing to material handling.

The Festo HE-2-1/4-QS-8 Pneumatic Shut-off Valve stands as a testament to Festo’s commitment to pioneering reliable and efficient pneumatic solutions, tailored to enhance safety and performance in industrial environments.

Technical Data

Feature	Specification
Valve Function	2/2 bistable
Pneumatic Connection 1	R1/4
Pneumatic Connection 2	QS-8
Actuation Type	Manual
Type of Mounting	Optionally: Direct mounting via through-hole Direct fastening via thread
Standard Nominal Flow Rate	423.9 l/min
Nominal Width	3.5 mm
Operating Pressure	-0.095 MPa … 1 MPa
Operating pressure	-0.95 bar … 10 bar
Ambient Temperature	0 °C … 60 °C
Housing Material	PBT-reinforced
Operating Medium	Compressed air as per ISO 8573-1:2010 [7:-:-]
Sealing Principle	Soft
Mounting Position	Any
Structural Design	Piston gate valve
Type of Control	Direct
Flow Direction	Reversible
Symbol	00997328
Info on Operating Media	Operation with oil lubrication possible (required for further use)
Corrosion Resistance Class	2 – Moderate corrosion stress
LABS (PWIS) Conformity	VDMA24364-B1/B2-L
Cleanroom Class	Class 4 according to ISO 14644-1
Temperature of Medium	0 °C … 60 °C
Product Weight	36 g
Material of Screwed Plug	Brass, nickel-plated
Note on Materials	RoHS-compliant
Seals Material	NBR