Vacuubrand MZ 2S NT Diaphragm Vacuum Pump
The Vacuubrand MZ 2S NT Diaphragm Vacuum Pump is designed for efficient and oil-free pumping and evacuation, making it ideal for a range of laboratory applications. It offers a maximum pumping speed of 1.4 CFM (2.3 m3/h) at 60Hz and 1.2 CFM (2.0 m3/h) at 50Hz, with an ultimate vacuum capability of 7 mbar (5.2 Torr). This pump features two heads and two stages, enhancing its ability to maintain a high flow rate even near ultimate vacuum levels.
The sound level during operation is exceptionally low at 45 dBA, ensuring a quiet and low-vibration environment. Constructed with a highly flexible fabric-reinforced double diaphragm made of FKM, it promises extended operating life. The MZ 2S NT is equipped with a hose nozzle inlet connection for tubing I.D. 3/8" (DN 10 mm) and a threaded G1/4" outlet connection. With its two-stage design, this pump is a superb choice for continuous, oil-free pumping at medium vacuum levels.
All of our equipment is in excellent condition and will be fully tested to perform at factory specifications before being shipped.
The Vacuubrand MZ 2S NT Diaphragm Vacuum Pump includes:
- > Power Cord
- > Operator's Guide
- > Full 180 Day Parts and Labor Warranty
Vacuubrand MZ 2S NT Diaphragm Vacuum Pump Specifications
| Maximum Pumping Speed (60Hz) | 1.4 CFM (2.3 m 3/h) |
| Maximum Pumping Speed (50Hz) | 1.2 CFM (2.0 m 3/h) |
| Ultimate Vacuum | 7 mbar (5.2 Torr) |
| Number of Heads | 2 |
| Number of Stages | 2 |
| Maximum Permissible Inlet Pressure | 1.1 bar (16 psi) |
| Maximum Permissible Outlet Pressure | 2 bar (29 psi) |
| Inlet Connection | Hose nozzle for tubing I.D. 3/8" (DN 10 mm) |
| Outlet Connection | Thread G1/4" |
| Maximum Motor Speed | 1,800 RPM |
| Rated Motor Power | 0.18 kW (0.24 hp) |
| Sound Level | 45 dBA |
| Dimensions (L x W x H) | 9.7 x 9.4 x 7.8 in. (24.6 x 23.9 x 19.8 cm) |
| Weight | 24.2 lb. (11 kg) |
| Electrical Requirements | 100-115V, 50/60Hz |
- Confirm Power Supply and Pcb Are Outputting Correct Voltages
- Empty Existing Oil in Unit and Inspect for Particulates (If Applicable)
- Confirm Relays Are Functioning and Replace as Needed
- Fill With New Pump Oil (If Applicable)
- Clean Internal Diaphragms and Check Valves. Replace as Needed (If Applicable)
- Confirm Appropriate Noise Levels for Pump and Test with A Decibel-Meter
- Evaluate Pump Oil Through Viewing Glass (If Applicable)
- Confirm Pump Is Able to Reach Absolute Vacuum with Independent Vacuum Gauge
- Confirm Pump Interfaces with External Controllers (If Applicable)
- Ensure Cosmetics Are Acceptable


Click Here to View the Technical Specs for the Vacuubrand MZ 2S NT Diaphragm Vacuum Pump