Product Model
mfh-3-1/4-120-ex
Selling Points
- 1The Festo MFH-3-1/4-120-NPT-EX solenoid valve is an electrically actuated, 3/2-way valve with a monostable function, ensuring precise control in various pneumatic applications.
- 2With a standard nominal flow rate of 800 l/min and operating pressure range of 1.5 to 8 bar, this valve is suitable for a wide range of industrial processes.
- 3The valve features a mechanical spring reset method and is designed with an IP65 degree of protection, making it durable and reliable in harsh environments.
- 4The MFH-3-1/4-120-NPT-EX is certified for explosion protection outside the EU, including Class I, Div. 1 and 2, Class II, Div. 1 and 2, and Class III, Div. 1 and 2.
- 5This valve supports lubricated operation and has a corrosion resistance class of 1, ensuring low corrosion stress in various media temperatures from -5°C to 40°C.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Valve function | 3/2, closed, monostable | Actuation type | Electrical |
Width | 73mm | Standard nominal flow rate | 800l/min |
Pneumatic working port | G1/4 | Operating voltage | 120V AC |
Operating pressure | 1.5bar 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 | 00991008 | Lap | Underlap |
Switching time off | 29ms | On switching time | 12ms |
Coil characteristics | 120 V AC: 60 Hz, initial power 11.5 VA, holding power 6.5 VA | 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 | 425g |
Type of mounting | With through-hole | Venting hole connection | Internal |
Pilot exhaust air port 82 | M5 | Pneumatic connection 1 | G1/4 |
Pneumatic connection 2 | G? | Pneumatic connection 3 | G1/4 |
Seals material | NBR PU | Housing material | Die-cast aluminum Anodized |
Manufacturer ID | 541659 |
Specifications may be subject to change without notice