mfh-3-1/4-24-npt-ex
Product ID:10729
Updated: 2026/4/3

Key Features
- 1Control pneumatic systems precisely with 3/2-way monostable electrical actuation. 2、Achieve high flow rates with a standard nominal flow of 800 l/min. 3、Operate safely in hazardous environments with explosion protection certification. 4、Ensure durability using a compact die-cast aluminum anodized body. 5、Simplify maintenance with a mechanical spring reset and soft sealing design.
Technical Specifications
Detailed engineering parameters
| 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 | 24V DC |
| 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 | 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 | 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 | 541658 |
Specifications may be subject to change without notice
