Product Model

he-3-1/4-qs-1/4-u

In Stock
Last updated: 2025/4/20
Festo he-3-1/4-qs-1/4-u

Selling Points

  • 1The HE-3-1/4-QS-1/4-U is a manually actuated pneumatic valve designed to provide reliable operation in various industrial settings. It ensures compliance with all specifications and general operating conditions, making it a trusted choice for process control and factory automation.
  • 2This valve features a piston spool design, which enhances its vibration resistance and shock absorption capabilities. It has been tested according to FN942017-4 and EN 60068-2-6 standards, ensuring it can withstand severe conditions.
  • 3The HE-3-1/4-QS-1/4-U valve adheres to ISO 13849-2 safety standards, ensuring that the relevant basic and well-tried safety principles are fulfilled. This makes it suitable for safety-related applications.
  • 4Festo offers a wide range of pneumatic components, including valves, cylinders, and control systems. The HE-3-1/4-QS-1/4-U valve can be easily integrated into these systems, providing a comprehensive solution for industrial automation.
  • 5The valve is part of Festo's extensive product portfolio, which includes various connection elements, filters, regulators, and other pneumatic components. This ensures that users can find all necessary parts from a single source, simplifying their purchasing process.
Product Details
he-3-1/4-qs-1/4-u
Festo

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Valve function
3/2, bistable
Selection of additional function
with exhaust function
Pneumatic connection 1
1/4 NPT
Pneumatic connection 2
QS-1/4
Actuation type
Manual
Type of mounting
Optionally: Direct mounting via through-hole Direct fastening via thread
Standard nominal flow rate
340.2l/min
Nominal width
3.2mm
Operating pressure
-0.95bar 10bar
Ambient temperature
0°C 60°C
Housing material
PBT-reinforced
Operating medium
Compressed air as per ISO 8573-1:2010 [7:-:-]
Exhaust air function
Without flow control option
Sealing principle
Soft
Mounting position
Any
Structural design
Piston gate valve
Type of control
Direct
Flow direction
Non-reversible
Symbol
00997329
Information on operating and pilot media
Operation with oil lubrication possible (required for further use)
Corrosion resistance class (CRC)
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
35g
Pneumatic connection 3
Not ducted
Material of screwed plug
Brass, nickel-plated
Note on materials
RoHS-compliant
Seals material
NBR
Manufacturer ID
153986

Specifications may be subject to change without notice