Features
- Spray-Coated Version
- 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
- For solid particle sizes up to 6.4 mm
- Available in plastic and metal versions
- Also available in an explosion-proof version
Advantages
- Reliably pumps abrasive, corrosive, and viscous fluids
- Enables high flow rates of up to 650 l/min
- Infinitely 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
- Supports service-friendly operational procedures
- Offers material options for different media
- Suitable for flammable media in the appropriate explosion-proof design
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 FDM 50 plastic + metal
| Feature | Specification | performance diagram |
|---|---|---|
| Flow Rate | max. 650 l/min¹ |
Plastic version: Metal version:
|
| Delivery pressure | Max. 8 bar | |
| Operating pressure | max. 8 bar | |
| Dry suction head | max. 4.2 m¹ | |
| Suction head (with product) | max. 7.6 m¹ | |
| Solid particle size | max. 6.4 mm | |
| Viscosity | min. 1 mPas to max. 15,000 mPas² | |
| Housing materials | Aluminum, gray cast iron, polypropylene, polyvinylidene fluoride, stainless steel | |
| Media / Fluids | Abrasive media, corrosive media, highly flammable media, viscous media | |
| Connection: Pressure port | G 2 or 2" flange | |
| Suction connection | G 2 or 2" flange | |
| Application | Ex |
1 Depends on pump model, operating pressure, and fluid
2 Depends on the fluid’s flow characteristics
Dimensions [mm] FDM 50 plastic version
FDM 50 plastic variant
| Typ | Pump Housing | Diaphragm | Ball | Hub | Seal | Weight | Part No. | |
|---|---|---|---|---|---|---|---|---|
 |
FDM 50 PP/AA | Polypropylene | Santoprene | Santoprene | PP | EPDM | 28,1 kg | 10-M50 40 010 |
| FDM 50 PP/TT | Polypropylene | PTFE | PTFE | PP | PTFE | 28,1 kg | 10-M50 40 100 | |
| FDM 50 PVDF/TT | Polyvinylidene fluoride | PTFE | PTFE | PVDF | PTFE | 41,7 kg | 10-M50 60 000 |
FDM 50 metal variant
For use in potentially explosive atmospheres in accordance with the ATEX Directive 2014/34/EU.
| Typ | Ex | Pump Housing | Diaphragm | Ball seat | Hub | Seal | Weight | Part No. | |
|---|---|---|---|---|---|---|---|---|---|
 |
FDM 50 AL/NN |  |
Aluminium | NBR | NBR | NBR | – | 41,5 kg | 10-M50 10 200 |
| FDM 50 AL/TT | |
Aluminium | PTFE | PTFE | PVDF | PTFE | 41,5 kg | 10-M50 10 300 | |
| FDM 50 S/TT | |
Stainless steel | PTFE | PTFE | PVDF | PTFE | 68,0 kg | 10-M50 20 300 | |
| FDM 50 GG/TT | |
Grey cast iron | PTFE | PTFE | PVDF | PTFE | 66,9 kg | 10-M50 30 300 |
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