Product Model
mfh-3-1/4-120-npt-ex
Selling Points
- 1The Festo MFH-3-1/4-120-NPT-EX solenoid valve is an electrically actuated, 3/2-way, closed, monostable valve designed for high-performance pneumatic applications. It features a standard nominal flow rate of 800 l/min and operates at 120V AC.
- 2This valve is constructed with a width of 73 mm and offers a range of operating pressures from 1.5 bar to 8 bar, ensuring versatility in various industrial settings. It also features a mechanical spring reset method and IP65 degree of protection.
- 3The MFH-3-1/4-120-NPT-EX valve is certified for explosion protection outside the EU, including Class I, Div. 1 and Class II, Div. 2 in the US. It operates with compressed air as per ISO 8573-1:2010 and supports lubricated operation.
- 4This valve includes a flow control option and has a non-reversible lap underlap design. It also features a switching time of 29 ms off and 12 ms on, making it suitable for precise control in pneumatic systems.
- 5The MFH-3-1/4-120-NPT-EX solenoid valve is made from durable materials, including anodized die-cast aluminum housing and NBR/PU seals. It weighs 425 grams and can be mounted with through-hole connections, ensuring easy integration into various automation setups.
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 | 1/4 NPT | 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 | 1/4 NPT |
Pneumatic connection 2 | 1/4 NPT | Pneumatic connection 3 | 1/4 NPT |
Seals material | NBR PU | Housing material | Die-cast aluminum Anodized |
Manufacturer ID | 541660 |
Specifications may be subject to change without notice