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Rotary evaporator vacuum pump MD 4CRL NT
laboratorydiaphragmoil-free

Rotary evaporator vacuum pump - MD 4CRL NT - Vacuubrand - laboratory / diaphragm / oil-free
Rotary evaporator vacuum pump - MD 4CRL NT - Vacuubrand - laboratory / diaphragm / oil-free
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Characteristics

Applications
for rotary evaporators, laboratory
Technology
diaphragm
Options
oil-free, multi-stage
Flow

56.67 l/min, 62.3 l/min
(14.97 us gal/min, 16.46 us gal/min)

Power

0.25 kW
(0.34 hp)

Inlet fitting size

16 mm
(0.6 in)

Outlet fitting size

16 mm
(0.6 in)

Weight

19.8 kg
(43.7 lb)

Length

32.5 cm
(12.8 in)

Width

24.3 cm
(9.6 in)

Height

19.8 cm
(7.8 in)

Description

Overview
  • Outstanding chemical resistance
  • High pumping speed even close to the low ultimate vacuum
  • Integral leakage rate 0.001 mbar·l/s, tested on every pump
  • Whisper-quiet operation and very low vibration
  • Long diaphragm life; maintenance-free drive


Description
The MD 4CRL NT is recommended for applications requiring especially high leak tightness. Its three-stage design combines high pumping speed with a very low ultimate vacuum. All components in contact with the pumped media are made from chemically resistant fluoroplastics or a highly corrosion-resistant stainless steel. PTFE sandwich diaphragms increase reliability and extend service life. The pump operates oil-free and is suitable for chemical laboratory processes such as rotary evaporation and vacuum concentration. Every pump is factory-tested for an integral leakage rate of 0.001 mbar·l/s.

Technical data and graphs
Max. pumping speed 50 Hz: 3.4 m3/h
Max. pumping speed 60 Hz: 2.2 cfm
Ultimate vacuum: 1.5 mbar / 1.1 torr
Number of heads: 4
Number of stages: 3
Operating temperature: 10 °C to 40 °C
Storage temperature: -10 °C to 60 °C
Max. back pressure (abs.): 1.1 bar
Inlet connection: KF DN 16 small flange
Outlet connection: KF DN 16 small flange
Rated motor power: 0.25 kW
Rated speed (50/60 Hz): 1500 / 1800 min-1
Protection class IEC 60529: IP 40
Dimensions (L x W x H): 325 x 243 x 198 mm
Weight: 19.8 kg
Noise (sound pressure) at 50 Hz: 45 dBA
ATEX conformity: II 3/- G Ex h IIC T3 Gc X (internal atmosphere only)
NRTL certification: Yes
Items supplied: Pump assembled and ready for use, with manual

Features / technical specifications
  • Model: MD 4CRL NT
  • Type: Chemical diaphragm pump, three-stage
  • Integral leakage rate (tested): 0.001 mbar·l/s
  • Materials in contact with media: chemically resistant fluoroplastics and highly corrosion-resistant stainless steel
  • Diaphragm: PTFE sandwich diaphragms for extended life
  • Pumping principle: oil-free diaphragm pump
  • Typical applications: rotary evaporators, vacuum concentrators and other laboratory processes requiring chemical resistance and high leak tightness

Catalogs

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Other Vacuubrand products

Chemistry diaphragm pumps down to 1.5 mbar

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.