Diaphragm pump MD 4 NT
Description
VACUUBRAND20736000ca. 198 mmca. 239 mmca. 16.4 kg20736000These 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.
Performance features
- 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
Downloads
- Safety information for vacuum equipment
- Multi-lingual
Technical data
Unit Converter
Technical data | Unit | MD 4 NT |
---|---|---|
Number of heads / stages | 4 / 3 | |
Max. pumping speed at 50/60 Hz | m3/h | 3.8 / 4.3 |
Max. pumping speed at 50/60 Hz | cfm | 2.2 / 2.5 |
Ultimate vacuum (abs.) | mbar/torr | 1 / 0.75 |
Ambient temperature range (operation) | °C | 10 - 40 |
Ambient temperature range (storage) | °C | -10 - 60 |
Max. back pressure (abs.) | bar | 1.1 |
Inlet connection | small flange KF DN 16 | |
Outlet connection | Silencer / G1/4" | |
Rated motor power | kW | 0.25 |
Rated motor speed at 50/60 Hz | min-1 | 1500/1800 |
Protection class | IP 40 | |
Dimensions (L x W x H) | mm | 325 x 239 x 198 |
Weight | kg | 16.4 |
Noise level at 50 Hz, typ. | dBA | 45 |
NRTL certification | Canada and the USA | |
ATEX conformity (only 230V) | II 3/- G IIC T3 X Internal Atm. only | |
Items supplied | Pump completely mounted, ready for use, with manual. | |
Accessories | Stainless steel tubing KF DN 16 (1000 mm: 20673336) |
-Technical data are subject to change without notice-
Ordering data
Product name | Mains voltage and frequency | Plug | Order no. |
---|---|---|---|
MD 4 NT | 230 V~ 50-60 Hz | CEE | 20736000 |
230 V~ 50-60 Hz | CH | 20736001 | |
230 V~ 50-60 Hz | UK, IN | 20736002 | |
100-115 V~ 50-60 Hz 120 V~ 60 Hz | US | 20736003 | |
200-230 V~ 50-60 Hz 100-115 V~ 50-60 Hz 120 V~ 60 Hz | IEC plug EN 60320 | 20736005 | |
230 V~ 50-60 Hz | CN | 20736006 |
Product comparison
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Diaphragm pump | - | 1.5 | - | 1.2 | 1.4 | - | - | ![]() | - | - | - | - | - | - | - |
Diaphragm pump | - | 1 | - | 3.8 | 4.3 | - | - | ![]() | - | - | - | - | - | - | - |
VARIO® diaphragm pumpselect | - | 1 | - | 5.7 | 5.7 | - | - | ![]() | - | - | - | - | - | ![]() | ![]() |
Diaphragm pump | - | 2 | - | 12.1 | 13.3 | - | - | ![]() | - | - | - | - | - | - | - |
VARIO® diaphragm pumpselect | - | 1.5 | - | 16.0 | 16.0 | - | - | ![]() | - | - | - | - | - | ![]() | ![]() |