Product Model
hel-3/8-d-midi-npt
Selling Points
- 1The Festo HEL-3/8-D-MIDI-NPT valve is designed to slowly pressurize pneumatic systems, ensuring smooth and reliable operation. It is compatible with on/off valves HE and HEE.
- 2This pneumatic valve features a piston spool design and can be mounted in any orientation, making it versatile for various applications. It operates within a temperature range of -10°C to 60°C.
- 3The valve includes a restrictor that allows the outlet pressure to rise slowly, preventing sudden and erratic movements in pneumatic drives. This makes it ideal for applications requiring precise control.
- 4The HEL-3/8-D-MIDI-NPT valve is constructed from die-cast aluminum, ensuring durability and resistance to moderate corrosion stress. It complies with ISO 8573-1:2010 for air quality and ISO 228-1 for thread specifications.
- 5This valve is part of the Festo HEL series, known for its high flow rates (up to 6500 l/min) and adjustable switching time delay, making it suitable for a wide range of pneumatic system applications.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Width dimension | 55mm | Exhaust air function | With flow control option |
Actuation type | Pneumatic | Sealing principle | Soft |
Mounting position | Any | Manual override | None |
Structural design | Piston gate valve | Reset method | Mechanical spring |
Type of control | Direct | Flow direction | Non-reversible |
Symbol | 00991513 | Valve function | 2/2, closed, monostable |
Operating pressure | 3bar 16bar | b-value | 0.39 |
C value | 16.5l/sbar | Standard nominal flow rate | 3200l/min |
Operating medium | Compressed air as per ISO 8573-1:2010 [7:4:4] Inert gas | 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 |
Air quality class at the output | Compressed air as per ISO 8573-1:2010 [7:4:4] Inert gas | Temperature of medium | -10°C 60°C |
Ambient temperature | -10°C 60°C | Product weight | 270g |
Type of mounting | Line installation With accessories | Pneumatic connection 1 | 3/8 NPT |
Pneumatic connection 2 | 3/8 NPT | Note on materials | RoHS-compliant |
Seals material | NBR | Housing material | Die-cast aluminum |
Manufacturer ID | 173919 |
Specifications may be subject to change without notice