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Festo HE-3-QS Series Pneumatic Manual Control Valve, Reinforced Polybutylene Terephthalate, 10 Bar Max Pressure, 0 HE-3-QS-8
Specifications
| Country of Origin | Japan |
|---|---|
| Brand | Festo |
| Material | Reinforced Polybutylene Terephthalate |
| Maximum Operating Pressure | 10 bar |
| Model | HE-3-QS-8 |
| Series | HE-3-QS |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | 0°C |
| Standards/Approvals | ISO 228-1, RoHS-compliant, ISO 1179-1 |
| Minimum Operating Pressure | -0.95bar |
| Inlet Port Gender | Male/Female |
| It is intended for compressed Air conforming to ISO 8573-1 | 2010 and permits lubricated Air where ongoing lubrication is applied |
Key Features
- Operates from −0.95 to 10 bar for vacuum and pressure applications.
- Suitable for temperatures from 0°C to 60°C in standard plant conditions.
- Soft-sealing spool design minimizes leakage during switching.
- Direct pilot control offers immediate manual response without external pilot supply.
- Inlet and outlet port genders are Male/Female for versatile connections.
- Complies with ISO 228-1, ISO 1179-1 standards and is RoHS compliant.
- Designed for in-line installation with secure mounting options.
- Suitable for controlling isolation in pneumatic tool benches and manifold applications.
Product Description
Festo HE-3-QS-8 Pneumatic Manual Control Valve is designed for manual actuation of compressed-air circuits in industrial automation and machine systems. Constructed from reinforced Polybutylene Terephthalate (PBT), the valve offers mechanical stability and compatibility with standard compressed-air quality according to ISO 8573-1:2010. It supports both vacuum and pressure handling from −0.95 bar up to a maximum operating pressure of 10 bar, suitable for ambient temperatures between 0°C and 60°C.
This valve features a soft-sealing spool design that reduces leakages, ensuring efficient performance in pneumatic applications. Direct pilot control allows instant manual switching without the need for an external pilot pressure supply. The inlet and outlet ports have male and female gender configurations, which provide versatile connectivity options for piping and tubing interfaces, including push-in connectors and threaded ports.
The valve operates as a bistable control element, preserving the last set position without power, making it effective for supply isolation in pneumatic tool benches, valve islands, and small pneumatic manifolds. It's also suitable for switching pilot lines in automation and control cabinets, and is useful in vacuum-assisted pick-and-place operations and maintenance rigs requiring manual reset.
It complies with international standards such as ISO 228-1 and ISO 1179-1 and is RoHS-compliant. The product originates from Japan and is non-certified for hazardous areas. Installation is flexible, allowing any orientation with a through-hole for secure in-line mounting.
Operates from −0.95 to 10 bar, handling vacuum and pressure. Temperature range: 0°C to 60°C for standard conditions. Soft-sealing spool design for minimal leakage. Direct manual actuation without external pilot supply. Male/Female inlet and outlet ports for connection versatility.
Reinforced PBT body provides mechanical stability. Compliant with ISO 228-1, ISO 1179-1, and RoHS standards. Suitable for pneumatic tool benches and manifolds. Useful in automation pilot lines and vacuum-assisted operations.
In-line mounting possible in any orientation. Explore this pneumatic manual control valve in the Industrial Valves category on EnvMart for reliable pneumatic and automation system solutions.
Explore more products in our Pneumatic Manual Control Valves category.
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Frequently Asked Questions
The maximum operating pressure of this valve is 10 bar.
This model operates within a temperature range of 0°C to 60°C.
The valve is constructed from reinforced Polybutylene Terephthalate (PBT).
The inlet and outlet ports feature male and female gender configurations, allowing for versatile connectivity options.
Yes, it complies with ISO 228-1, ISO 1179-1 standards and is RoHS-compliant.
The valve operates with a minimum pressure of -0.95 bar and a maximum of 10 bar.
Direct pilot control allows for immediate manual response without the need for an external pilot pressure supply.
It is suitable for controlling isolation in pneumatic tool benches, valve islands, and small pneumatic manifolds.
Yes, it allows for flexible installation in any orientation with secure in-line mounting options.
The soft-sealing spool design minimizes leakage during switching, ensuring efficient performance in pneumatic applications.
This valve originates from Japan.
It is intended for compressed air conforming to ISO 8573-1:2010 and permits lubricated air where ongoing lubrication is applied.
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