he-2-1/2-qs-12

Product ID:2777
Updated: 2026/7/4
Festo he-2-1/2-qs-12

Key Features

  • 1Ensure reliable 2/2-way manual shut-off for compressed air.
  • 2Achieve efficient flow control with soft sealing.
  • 3Deliver 834.3 l/min nominal flow for diverse systems.
  • 4Utilize durable PBT housing and nickel-plated brass.
  • 5Meet RoHS and ISO 14644-1 cleanroom standards.

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Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Valve function
2/2 bistable
Pneumatic connection 1
R1/2
Pneumatic connection 2
QS-12
Actuation type
Manual
Type of mounting
Optionally: Direct mounting via through-hole Direct fastening via thread
Standard nominal flow rate
834.3l/min
Nominal width
7.7mm
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:-:-]
Sealing principle
Soft
Mounting position
Any
Structural design
Piston gate valve
Type of control
Direct
Flow direction
Reversible
Symbol
00997328
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
86g
Material of screwed plug
Brass, nickel-plated
Note on materials
RoHS-compliant
Seals material
NBR
Manufacturer ID
153474

Specifications may be subject to change without notice

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