Features
- Injected Version
- High-pressure version with a pressure ratio of 3:1
- Operating pressure up to 7 bar
- Self-priming when dry
- Protected against dry running
- Flow rate adjustable via air pressure
- No bypass required
- Floodable pump design
- Forced reversal for safe restart
- Oil-free operation
- Control valve is not affected by contaminants in the air
- Stainless steel housing
- Also available in an explosion-proof version
Advantages
- Long service life, wear-free
- Reliably increases the delivery pressure up to 20 bar
- Suitable for applications requiring higher pressure
- Pumps abrasive, corrosive, and viscous media reliably
- Continuously adjusts the flow rate via air pressure
- Starts reliably from any shutdown position
- Operates without clogging, even without an additional bypass
- Reduces maintenance requirements thanks to oil-free operation
- Easy to service
- Suitable for flammable media in the appropriate explosion-proof version
Media Examples
- Alcohols in the Pharmaceutical Industry
- Gasoline
- Chlorine bleach
- Cleaning agents
- Pickling solutions
- Wastewater
- Abrasive media
- Corrosive media
- Highly flammable media
- Viscous media
Technical Specifications FDMH 25
| Feature | Specification | performance diagram |
|---|---|---|
| Flow Rate | max. 85 l/min¹ |  |
| Delivery pressure | max. 20 bar | |
| Operating pressure | max. 7 bar | |
| Pressure ratio | 3:1 | |
| Dry suction lift | max. 3 m¹ | |
| Particle size | max. 3.2 mm | |
| Viscosity | min. 1 mPas to max. 15,000 mPas² | |
| Housing materials | Stainless steel | |
| Media / Fluids | Abrasive media, corrosive media, highly flammable media, viscous media | |
| Pressure connection | G 1 | |
| Suction connection | G 1 | |
| Application range | Ex |
1 Depends on pump model, operating pressure, and fluid
2 Depends on the fluid’s flow characteristics
FDMH 25 high pressure version
| Typ | Ex | Pump housing | Diaphragm | Ball | Hub | Seal | Weight | Part-no. | |
|---|---|---|---|---|---|---|---|---|---|
 |
FDMH 25 S/TS |  |
Stainless steel | PTFE | Stainless steel | Stainless steel | PTFE | 43,0 kg | 10-M25 20 200 |
Für den Einsatz im Ex-Bereich gemäß ATEX-Richtlinie 2014/34/EU.
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