Product Model
mfh-5-1/8-24-npt-ex

Selling Points
- 1The Festo MFH-5-1/8-24-NPT-EX is a 5/2-way normally closed electrically-actuated pneumatic valve, ensuring precise control in industrial automation systems.
- 2This valve features a detenting manual override, allowing for easy manual operation when electrical power is unavailable.
- 3With a standard nominal flow rate of 500 liters per minute, the MFH-5-1/8-24-NPT-EX is suitable for a wide range of applications requiring moderate to high airflow.
- 4The valve operates within a temperature range of -5°C to 40°C and can handle compressed air as per ISO 8573-1:2010, making it versatile for various environments.
- 5The MFH-5-1/8-24-NPT-EX is designed with safety in mind, offering explosion protection certification outside the EU (Class I, Div. 1 and Class II, Div. 1) and within the US (Class I, Div. 1 to Class III, Div. 2).
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Valve function | 5/2, closed, monostable | Actuation type | Electrical |
Width | 70.5mm | Standard nominal flow rate | 500l/min |
Pneumatic working port | 1/8 NPT | Operating voltage | 24V DC |
Operating pressure | 1.8bar 8bar | Reset method | Mechanical spring |
Explosion protection certification outside the EU | Class I, Div. 1 (US) Class I, Div. 2 (US) Class II, Div. 1 (US) Class II, Div. 2 (US) Class III, Div. 1 (US) Class III, Div. 2 (US) EPL Gb (US) EPL Gc (US) | Certificate issuing authority | FM 3026030 |
Degree of protection | IP65 | Nominal width | 5mm |
Exhaust air function | With flow control option | Sealing principle | Soft |
Mounting position | Any | Manual override | Detenting |
Type of control | Pilot-controlled | Flow direction | Non-reversible |
Symbol | 00991003 | Lap | Underlap |
Switching time off | 36ms | On switching time | 10ms |
Coil characteristics | 24 V DC: 4.6 W | Explosion prevention and protection | Class I, Div. 1 (US) Class I, Div. 2 (US) Class II, Div. 1 (US) Class II, Div. 2 (US) Class III, Div. 1 (US) Class III, Div. 2 (US) Zone 1 (US) Zone 2 (US) |
Operating medium | Compressed air as per ISO 8573-1:2010 [7:4:4] | Information on operating and pilot media | Operation with oil lubrication possible (required for further use) |
Corrosion resistance class (CRC) | 1 - Low corrosion stress | Temperature of medium | -5°C 40°C |
Ambient temperature | -5°C 40°C | Product weight | 420g |
Type of mounting | With through-hole | Venting hole connection | Internal |
Pilot exhaust air port 84 | M5 | Pneumatic connection 1 | 1/8 NPT |
Pneumatic connection 2 | 1/8 NPT | Pneumatic connection 3 | 1/8 NPT |
Pneumatic connection 4 | 1/8 NPT | Pneumatic connection 5 | 1/8 NPT |
Seals material | NBR PU | Housing material | Die-cast aluminum Anodized |
Manufacturer ID | 541654 |
Specifications may be subject to change without notice