MD 4 NTDiaphragm pump
Overview
- contamination-free pumping and evacuation
- high flow rate even near ultimate vacuum
- whisper quiet
- very low vibration
- exceptionally long diaphragm life and maintenance-free drive system for low lifetime costs
Ultimate vacuum
1 mbar
Max. pumping speed 50 Hz
3.8 m3/h
Cat. No.
20736000
Diaphragm pump in action
These three-stage diaphragm pumps are an excellent solution for continuous, oil-free pumping of non-corrosive gases. They reach an excellent ultimate vacuum of 1 mbar. All parts in contact with pumped gases and vapors are made of aluminum, stainless steel and carefully selected plastics suitable for a wide range of applications with non-corrosive gases. The new NT-series provides whisper quiet and ultra-low vibration operation, high leak tightness and improved performance. The highly flexible fabric-reinforced double diaphragm made of FKM is ideal for extended operating life.
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Technical data and graphs
| Max. pumping speed 50 Hz | 3.8 m3/h | |
| Max. pumping speed 60 Hz | 2.5 cfm | |
| Ultimate vacuum | 1 mbar / 0.75 torr | |
| Number of heads | 4 | |
| Number of stages | 3 | |
| Lower ambient temperature (operation) | 10 °C | |
| Upper ambient temperature (operation) | 40 °C | |
| Lower ambient temperature (storage) | -10 °C | |
| Upper ambient temperature (storage) | 60 °C | |
| Max. back pressure (abs.) | 1.1 bar | |
| Inlet connection | small flange KF DN 16 | |
| Outlet connection | Silencer / G1/4" | |
| Rated motor power | 0.25 kW | |
| Rated motor speed at 50/60 Hz | 1500/1800 min-1 | |
| Protection class IEC 60529 | IP 40 | |
| Dimension L in mm | 328 mm | |
| Dimension B in mm | 239 mm | |
| Dimension H in mm | 198 mm | |
| Weight | 16.4 kg | |
| Noise (sound pressure level) in dBA at 50 Hz or 1500 rpm/62% (VARIO)/1500 rpm (VARIO-SP)/12500 Upm (VACUU·PURE®) | 45 dBA | |
| ATEX conformity | II 3/- G Ex h IIC T3 Gc X Internal Atm. only | |
| NRTL certification | Yes | |
| Items supplied | Pump completely mounted, ready for use, with manual. | |
| Rated mains voltage range 1 | 230 V | |
| Mains frequency 1 | 50-60 Hz |
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Pump down graph 50 Hz (10 l volume)
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Pump down graph 60 Hz (10 l volume)
Downloads
Diaphragm pump MD 4 NT, three stage,certification (NRTL): C/US,230 V / 50-60 Hz, CEE mains cable
MD 4 NT
Diaphragm pump
Technical data sheet
Data sheet
PDF
3.9 MB
3.9 MB
3.9 MB
3.9 MB
3.9 MB
Equipment
Application examples
Diaphragm pump in action
These three-stage diaphragm pumps are an excellent solution for continuous, oil-free pumping of non-corrosive gases. They reach an excellent ultimate vacuum of 1 mbar. All parts in contact with pumped gases and vapors are made of aluminum, stainless steel and carefully selected plastics suitable for a wide range of applications with non-corrosive gases. The new NT-series provides whisper quiet and ultra-low vibration operation, high leak tightness and improved performance. The highly flexible fabric-reinforced double diaphragm made of FKM is ideal for extended operating life.
für Zoom klicken
Technical data and graphs
| Max. pumping speed 50 Hz | 3.8 m3/h | |
| Max. pumping speed 60 Hz | 2.5 cfm | |
| Ultimate vacuum | 1 mbar / 0.75 torr | |
| Number of heads | 4 | |
| Number of stages | 3 | |
| Lower ambient temperature (operation) | 10 °C | |
| Upper ambient temperature (operation) | 40 °C | |
| Lower ambient temperature (storage) | -10 °C | |
| Upper ambient temperature (storage) | 60 °C | |
| Max. back pressure (abs.) | 1.1 bar | |
| Inlet connection | small flange KF DN 16 | |
| Outlet connection | Silencer / G1/4" | |
| Rated motor power | 0.25 kW | |
| Rated motor speed at 50/60 Hz | 1500/1800 min-1 | |
| Protection class IEC 60529 | IP 40 | |
| Dimension L in mm | 328 mm | |
| Dimension B in mm | 239 mm | |
| Dimension H in mm | 198 mm | |
| Weight | 16.4 kg | |
| Noise (sound pressure level) in dBA at 50 Hz or 1500 rpm/62% (VARIO)/1500 rpm (VARIO-SP)/12500 Upm (VACUU·PURE®) | 45 dBA | |
| ATEX conformity | II 3/- G Ex h IIC T3 Gc X Internal Atm. only | |
| NRTL certification | Yes | |
| Items supplied | Pump completely mounted, ready for use, with manual. | |
| Rated mains voltage range 1 | 230 V | |
| Mains frequency 1 | 50-60 Hz |
für Zoom klicken
Pump down graph 50 Hz (10 l volume)
für Zoom klicken
Pump down graph 60 Hz (10 l volume)
Downloads
Diaphragm pump MD 4 NT, three stage,certification (NRTL): C/US,230 V / 50-60 Hz, CEE mains cable
MD 4 NT
Diaphragm pump
Technical data sheet
Data sheet
PDF
3.9 MB
3.9 MB
3.9 MB
3.9 MB
3.9 MB
Equipment
Application examples
