HE-2-QS-10 Festo Shut-off Valve

RM 115.00

Manual 2/2-way bistable shut-off valve with QS-10 push-in connectors for both ports. Features a 752.4 l/min flow rate and operates between -0.95 and 10 bar.

SKU Festo-153469 Category
Stop valves

HE-2-QS-10 Festo Shut-off valve

Model Identifier HE-2-QS-10
Official Part Number 153469
GTIN Standard 4052568034863

Technical Overview

The Festo HE-2-QS-10 is a manually operated, 2/2-way bistable shut-off valve designed for reliable in-line installation within pneumatic systems. Constructed with a PBT-reinforced housing and NBR seals, this piston gate valve features dual QS-10 push-in connections for quick assembly. It supports a standardized nominal flow rate of 752.4 l/min and is suitable for both positive and vacuum pressure applications ranging from -0.95 bar to 10 bar. The device is RoHS-compliant and meets ISO 14644-1 Class 4 cleanroom standards.

Key Features

  • 2/2 bistable valve function
  • Manual actuation
  • In-line installation mounting
  • Direct piloting type
  • Reversible flow direction
  • Soft sealing principle
  • PBT-reinforced housing material
  • RoHS-compliant

Standard nominal flow rate of 752.4 l/min

Technical Specification Matrix

ParameterValue
Valve function2/2 bistable
Pneumatic connection, port 1QS-10
Pneumatic connection, port 2QS-10
Type of actuationManual
Type of mountingIn-line installation
Standard nominal flow rate (standardised to DIN 1343)752.4 l/min
Nominal size4.7 mm
Operating pressure (MPa)-0.095 MPa ... 1 MPa
Operating pressure (bar)-0.95 bar ... 10 bar
Ambient temperature0 °C ... 60 °C
Material housingPBT-reinforced
Operating mediumCompressed air to ISO 8573-1:2010 [7:-:-]
Sealing principleSoft
Mounting positionoptional
DesignPiston gate valve
Type of pilotingDirect
Flow directionReversible
Symbol00997328
Note on operating and pilot mediumLubricated operation possible (in which case lubricated operation will always be required)
Corrosion resistance class CRC2 - Moderate corrosion stress
LABS (PWIS) conformityVDMA24364-B1/B2-L
Cleanroom suitability, measured according to ISO 14644-14Class 4 according to ISO 14644-1
Media temperature0 °C ... 60 °C
Product weight41 g
Note on materialsRoHS-compliant
Material sealsNBR

Industrial Applications

1. Cleanroom Semiconductor Wafer Handling Vacuum Isolation

Installed in-line on the vacuum supply lines of semiconductor wafer handling robots. This manual valve allows technicians to isolate the vacuum supply locally during end-effector maintenance without shutting down the centralized vacuum pump.

Problem Solved

Prevents loss of main system vacuum during local tooling maintenance and safely ensures compliance with strict semiconductor cleanroom particle generation standards.

-0.95 bar vacuumClass 4 cleanroom ISO 14644-1QS-10 push-in fitting2/2 bistableManual actuation

2. Localized Zone Depressurization in Packaging Machinery

Utilized as a manual isolation and shut-off valve for specific pneumatic zones in high-speed packaging machinery. Operators actuate it to rapidly cut off the standard 6-8 bar compressed air supply to localized pneumatic cylinders.

Problem Solved

Enables safe, localized mechanical maintenance on packaging machines without requiring a complete plant air shutdown, minimizing machine downtime and ensuring operator safety.

10 bar max pressure752.4 l/min flow rateNBR sealsIn-line installationPBT-reinforced housing

3. Tooling Changeover Air Lock for Robotic Pick-and-Place Gantries

Mounted directly on the moving arms of automated pick-and-place gantries. The valve provides a lightweight, manual shut-off point for reversible airflow lines feeding custom pneumatic grippers and vacuum cups.

Problem Solved

Speeds up tooling changeovers by allowing technicians to rapidly and safely isolate the air supply directly at the robotic arm, without adding excessive dynamic load or weight to the gantry system.

Reversible flow41 g product weightPiston gate valveQS-10 pneumatic connection

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