MS4 Series Soft-Start Valve – Pneumatic/Solenoid Actuated

Brand :
FESTO
Caution
Product Description
- On-Off Valves - HE-D-MINI/ HE-D-MIDI
- Type of actuation: Manual.
- Housing material: Die-cast aluminum.
- Material seals: NBR
- Exhaust-air function: Without flow control option
- Pneumatic connection, port 3: G1/4
- Ambient temperature: -10 °C to 60 °C.
- Operating pressure: 0 bar ... 16 bar
- Flow rate: 1000 ... 6500 l/min
- Corrosion resistance class CRC: 2 - Moderate corrosion stress.
- Note on the operating/ pilot medium: Lubricated operation possible (in which case lubricated operation will always be required)
On-off valve, HE Series
Features

Specifications
| Size | Mini | Midi | Maxi | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pneumatic connection 1, 2 | G 1/8 | G 1/4 | G 3/8 | – | G 1/4 | G 3/8 | G 1/2 | G 3/4 | – | G 1/2 | G 3/4 | G1 | – |
| Pneumatic connection 3 | G 1/8 | G 1/4 | G 3/8 | ||||||||||
| Design | Piston spool valve | ||||||||||||
| Actuation type | Manual | ||||||||||||
| Type of mounting | Via accessories | ||||||||||||
| In-line installation | |||||||||||||
| Assembly position | Any | ||||||||||||
| Air purity class at the output | Compressed air in accordance with ISO 85731:2010 [7:4:4] | ||||||||||||
| Inert gases | |||||||||||||
| Valve function | 3/2-way valve, bistable | ||||||||||||
| Manual override | None | ||||||||||||
| Exhaust function | No flow control | ||||||||||||
| Direction of flow | Non-reversible | ||||||||||||
| Sealing principle | Soft | ||||||||||||
Flow rate characteristic values
| Size | Mini | Midi | Maxi | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Pneumatic connection 1, 2 | G 1/8 | G 1/4 | G 3/8 | G 1/4 | G 3/8 | G 1/2 | G 3/4 | G 1/2 | G 3/4 | G1 |
| Standard nominal flow rate qnN [l/min] | ||||||||||
| In main flow direction 1 > 2 | 1,000 | 1,500 | 1,600 | 2,600 | 3,200 | 3,600 | 3,800 | 5,600 | 6,000 | 6,500 |
| C value [l/s*bar] | ||||||||||
| In main flow direction 1 > 2 | 4.4 | 7.2 | 7.5 | 9.9 | 15.7 | 17 | 17.3 | 23.7 | 26.8 | 25.9 |
| b value | ||||||||||
| In main flow direction 1 > 2 | 0.44 | 0.28 | 0.27 | 0.45 | 0.3 | 0.3 | 0.42 | 0.32 | 0.35 | 0.37 |
Operating and environmental conditions
| Operating pressure [bar] | 0 to 16 |
|---|---|
| Operating medium | Compressed air in accordance with ISO 85731:2010 [7:4:4] |
| Inert gases | |
| Note on operating/pilot medium | Operation with lubricated medium possible (in which case lubricated operation will always be required) |
| Ambient temperature [℃] | –10 to +60 |
| Temperature of medium [℃] | –10 to +60 |
| Corrosion resistance class CRC | 2 |