Laboratory vacuum pump MD 4 NT

diaphragmoil-freemulti-stage

Overview

• contamination-free pumping and evacuation
• high flow rate even near ultimate vacuum
• whisper quiet operation
• very low vibration
• long diaphragm lifetime and maintenance-free drive

Product details
Three-stage oil-free diaphragm vacuum pump for continuous evacuation of non-corrosive gases and vapors. Reaches an ultimate vacuum of 1 mbar. All gas-contacting parts are manufactured from aluminum, stainless steel and selected plastics to suit a wide range of industrial and laboratory applications. The NT series offers ultra-low vibration and low noise together with high leak tightness. The fabric-reinforced double diaphragm made of FKM provides extended service life and reliable operation.

Technical specifications

• Model: MD 4 NT
• Ultimate vacuum: 1 mbar / 0.75 torr
• Max. pumping speed (50 Hz): 3.8 m3/h
• Max. pumping speed (60 Hz): 2.5 cfm
• Number of heads: 4
• Number of stages: 3
• Inlet connection: small flange KF DN 16
• Outlet connection: Silencer / G1/4"
• Max. back pressure (abs.): 1.1 bar
• Rated motor power: 0.25 kW
• Rated motor speed (50/60 Hz): 1500 / 1800 min-1
• Protection class (IEC 60529): IP 40
• Operation ambient temperature: 10 °C to 40 °C
• Storage temperature: -10 °C to 60 °C
• Dimensions (L x W x H): 328 x 239 x 198 mm
• Weight: 16.4 kg
• Noise (sound pressure level) at 50 Hz: 45 dBA
• ATEX conformity: II 3/- G Ex h IIC T3 Gc X (internal atmosphere only)
• NRTL certification: Yes
• Rated mains voltage range: 230 V; Mains frequency: 50–60 Hz
• Items supplied: Pump completely mounted, ready for use, with manual