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EXS Dry Screw Vacuum Pump

EXS Dry Screw Vacuum Pumps

Increased roughing speeds and low ultimate performance for harsh industrial applications

Unique screw technology, advanced temperature control and long service intervals

Robust design features

Dependable new gas system with manual gas ballast control with sleek sheet metal protective enclosure.

Simple electrical strategy

In-built off-shelf inverter for simple connection and communication and electrical cabinet designed according to IP54 requirements.

Low power and utilities consumption

The EXS has a low carbon footprint thanks to its low power and utilities usage. With no contaminated or dirty disposable oil, it is also easy on the environment.

Increased roughing speeds and low ultimate performance

Gain increased productivity with faster processing and pump down times; low ultimate pressures up to 
< 1 x 10-2.

Non-contacting long-life seals

Non-contacting long-life seals with integral oil blocking labyrinth seal provides highly effective sealing.

Advanced Core technology

Advanced quality bearings and special purpose oil with low vapour pressure for application compatibility. 

Knowledge & Insight

The EXS pump is suitable for a range of applications in various industries including:

  • Vacuum Brazing
  • E-beam welding
  • Nitro carburising
  • Low pressure nitriding
  • Low pressure carburising
  • Carbon vapour impregnation
  • Sintering
  • Metal injection moulding
  • Precision investment casting
  • Vacuum arc refining
  • Plasma welding
  • Plasma nitriding
  • Space simulation chambers
  • Gas recovery/circulation
  • Load lock chambers
  • Silicon crystal-pulling 
  • PV lamination
  • Roll web coating
  • Hard coating (CVD/DLC)
  •  Surface activation
  • Plasma spray
  • Glass coating
Specification   Unit Value
      EXS450 EXS750
General Ultimate Vacuum Mbar (Torr) <1 x10-2 (<8x10-3)
Peak Pumping Speed m3/hr (cfm) 450 (265) 740 (435)
Ultimate Power
Full Load Power
Kw (hp) 6 (8)
16 (21.5)
10.5 (14)
22 (30)
Maximum Rotor Speed Rev/min 6600
Inlet/Outlet Flange   ISO100/NW50
Dimensions (mm) LxWxH mm (in) 1265 x 567 x 642
(49.8 x 22.3 x 25.3)
1650 x 567 x 642
(65 x 22.3 x 25.3)
Cooling Connection   G3/8'' female threads
Cooling Flow (Always On) l/min (gal/min) 10 (2.6) 12 (3.2)
Maximum Supply Pressure barg (psig) 6.9 (100)
Temperature °C (°F) 5 to 40 (41 to 104)
Purge Connection   G1/2'' female threads
Pressure barg (psig) 3 – 6.9 (43.5 – 100)
Shaft Seal Flow (Always on) l/min 12 (3.1)
Gas Ballast Flow (Manual Adj.) l/min 1 - 130 (0.2-34.3)
Operation Ambient Temperature Range °C (°F) 5 to 40 (41 to 104)
Noise Level with Silencer dB(A) <70
Maximum Exhaust Back Pressure bar.a (psig) 1.2 (2.9)
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