* Diaphragm pressure switch is suitable for all types of industrial site, and ideal alternative to similar foreign products.
* Imported rubber/316L stainless steel diaphragm/piston sensor, with stable and reliable performance.
* SPDT or DPDT output; cast aluminum housing, optional explosion-proof; a variety of optional pressure and electrical interface.
* Simple structure, no moving parts.
* Accuracy: 0.5; Repeatability: ±1%.
* Range: 30Pa-40MPa optional.
* Power Industry
* Petroleum Industry
* Chemical Industry
* Metallurgical Industry
* Boiler Industry
* Food Machinery
* Environmental Equipment
| Media | Nitrile rubber or 316L stainless steel, non-corrosive gases or liquids | Ambient temperature | 5%～95% |
| Enclosure | Enclosure with gasket, die-cast aluminum, epoxy coated | Life expectancy | 105 loops |
| Rating of Enclosure | IEC60529, IP67 | Seismic | <Max. 2g |
| Setting accuracy | ±1% | Explosion levels | ExedIICT6 |
| Switching difference | Not adjustable (refer to the data listed in the selection table) | Contact capacity | Vmax=380V, Imax=15A (For special requirements, please contact us) |
| Repeatability error | <1% | ||
| Electrical Interface | M20*1.5 threaded connection, according to the | Switch output | A single-pole double-throw （SPDT) output switch can be connected to the “normally open ”or “normally closed ” |
| Ambient temperature | -40℃～+85℃ |
Additional Options:
| E | ExedIICT6, Temp=-40-71℃ | N | Special pressure port (marked) |
| D1 | DPDT synchronization options | M1 | Factory settings for single-point switch |
| D2 | DPDT non-sync options | M2 | Factory settings for two-point switch |
| A | High contact capacity | Z1 | Planar mounting bracket |
| B | Stainless steel bit number | Z2 | Tube mounting bracket |
FSP-K Series: nitrile rubber diaphragm and O-rings, G1/4F pressure interface (other interfaces can be customized), explosion Model followed by “-E”
| Model | Range | Dead zone | Switching frequency | Sensor Material |
| FSP-K0010 | 30～1000Pa | ≤30Pa | 10 beats/min | Nitrile rubber |
| FSP-K0060 | 0.5～6KPa | ≤0.2KPa | 10 beats/min | Nitrile rubber |
| FSP-K0150 | 1～50KPa | ≤0.5KPa | 10 beats/min | Nitrile rubber |
FSP-G Series: welded 316L stainless steel diaphragm and G1/4F pressure interface (other interfaces can be customized), explosion model followed by “-E”
| Model | Range | Dead zone | Switching frequency | Sensor Material |
| FSP-G0010 | 30～1000Pa | ≤30Pa | 10 beats/min | 316L |
| FSP-G0060 | 0.5～6KPa | ≤0.2KPa | 10 beats/min | 316L |
| FSP-G0150 | 1～50KPa | ≤0.5KPa | 10 beats/min | 316L |
FSP-K Series: nitrile rubber diaphragm and O-rings, 1/2NPTF pressure interface (other interfaces can be customized), explosion Model followed by “-E”
| Model | Range | Dead zone | Switching frequency | Sensor Material |
| FSP-KM0160 | 0.006～0.16MPa | ≤0.004MPa | 20 beats/min | Nitrile rubber |
| FSP-KM0400 | 0.01～0.4MPa | ≤0.02MPa | 20 beats/min | Nitrile rubber |
| FSP-KM1000 | 0.02～1.0MPa | ≤0.025MPa | 20 beats/min | Nitrile rubber |
FSP-G Series: welded 316L stainless steel diaphragm and 1/2NPTF pressure interface (other interfaces can be customized), explosion model followed by “-E”
| Model | Range | Dead zone | Switching frequency | Sensor Material |
| FSP-GM0160 | 0.006～0.16MPa | ≤0.004MPa | 20 beats/min | 316L |
| FSP-GM0400 | 0.01～0.4MPa | ≤0.02MPa | 20 beats/min | 316L |
| FSP-GM1000 | 0.02～1.0MPa | ≤0.025MPa | 20 beats/min | 316L |
FSP-K Series: nitrile rubber diaphragm and O-rings, 1/2NPTF pressure interface (other interfaces can be customized), explosion model followed by “-E”
| Model | Range | Dead zone | Switching frequency | Sensor Material |
| FSP-KM1600 | 0.05～1.6MPa | ≤0.25MPa | 20 beats/min | Nitrile rubber |
| FSP-KM2500 | 0.05～2.5MPa | ≤0.25MPa | 20 beats/min | Nitrile rubber |
| FSP-KM6000 | 0.3～6MPa | ≤0.3MPa | 20 beats/min | Nitrile rubber |
| FSP-KG100 | 0.6～10MPa | ≤0.4MPa | 20 beats/min | Nitrile rubber |
FSP-G Series: welded 316L stainless steel diaphragm and 1/2NPTF pressure interface (other interfaces can be customized), explosion model followed by “-E”
| Model | Range | Dead zone | Switching frequency | Sensor Material |
| FSP-GM1600 | 0.05～1.6MPa | ≤0.25MPa | 20 beats/min | 316L |
| FSP-GM2500 | 0.05～2.5MPa | ≤0.25MPa | 20 beats/min | 316L |
| FSP-GKM6000 | 0.3～6MPa | ≤0.3MPa | 20 beats/min | 316L |
| FSP-GG100 | 0.6～10MPa | ≤0.4MPa | 20 beats/min | 316L |
FSP-G Series: welded 304 stainless steel piston and 1/2NPTF pressure interface (other interfaces can be customized), explosion model followed by “-E”
| Model | Range | Dead zone | Switching frequency | Sensor Material |
| FSP-GH100 | 1～10MPa | ≤0.4MPa | 20 beats/min | 304 |
| FSP-GH160 | 1～16MPa | ≤0.5MPa | 20 beats/min | 304 |
| FSP-GH250 | 2～25MPa | ≤0.6MPa | 20 beats/min | 304 |
| FSP-GH400 | 2～40MPa | ≤0.8MPa | 20 beats/min | 304 |
FSP-K Series: Nitrile rubber diaphragm and O-rings, 1/2NPTF pressure interface (other interfaces can be customized), explosion Model followed by “-E”
| Model | Range | Dead zone | Switching frequency | Sensor Material |
| FSP-KG100 | 1～10MPa | ≤0.4MPa | 20 beats/min | 304 |
| FSP-KG160 | 1～16MPa | ≤0.5MPa | 20 beats/min | 304 |
| FSP-KG250 | 2～25MPa | ≤0.6MPa | 20 beats/min | 304 |
| FSP-KG400 | 2～40MPa | ≤0.8MPa | 20 beats/min | 304 |
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