GXS DRY SCREW VACUUM PUMPS
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GXS DRY SCREW VACUUM PUMPS

EDWARDS THE PARTNER OF CHOICE Edwards is a world leader in the design, technology and manufacture of vacuum pumps with over 95 years’ history and more than 75 years’ manufacturing experience. Edwards believes in delivering results that bring value to our customers by using our breadth of industry experience to identify and apply solutions to your problems. Using the most innovative and up-to-date modelling techniques, we can optimise the pumping configuration for customers to provide a system design giving the maximum performance in the most reliable and cost-effective way

GXS DRY SCREW PUMPS AND COMBINATIONS Our new GXS dry pumps take vacuum performance to the next level. With unique screw technology and world leading high efficiency drives, enabling advanced temperature control and long service intervals, you are guaranteed best-in-class pumping speeds and low running costs for many years to come. Fast – Reduced pump down times with ultimate vacuum of 5 X 10-4 mbar • Increased productivity: faster process • Improved product quality: better ultimate vacuum Robust – Reliable operation even in harsh industrial applications • Low maintenance cost: no unplanned...

GXS innovative screw technology 1 Double ended shaft support • Non-cantilever design provides secure rotor support for extremely low vibration and superior starting reliability, especially on harsh processes • Superior liquid and powder handling. Tests demonstrate a five litre water slug and one kilogram fine powder slug handling capability 2 Bearing and lubrication • Oil lubricated gears eliminate grease and the need for periodic maintenance • Uses advanced quality bearings and special purpose oil with low vapour pressure for application compatibility and greatly improved life 3 Advanced...

4 World leading motor and drive technology • Extremely high efficiency motors with electronic drives deliver maximum torque performance for difficult processes • Hermetically sealed motor eliminates oil leaks and improves pump reliability • Water-cooled motors and drives provide for improved reliability and long life to reduce service costs 5 Advanced pumping mechanism design • Enhanced screw-type rotor design results in smooth, gradual compression along the length of the rotor for improved thermal control and optimised pumping at all inlet pressures • Integrated heat management and unique...

Applications Metallurgy Plasma processes • Vacuum Brazing • E-beam welding • Nitro carburising • Low pressure nitriding • Low pressure carburising • Carbon vapour impregnation • Sintering • Metal injection moulding • Precision investment casting • Electroslag remelting • Vacuum induction melting • Vacuum arc refining • Steel degassing • Roll web coating • Hard coating (CVD/DLC) • Surface activation • Plasma spray • Glass coating • Plasma welding • Plasma nitriding Drying • Freeze drying • Bushing filling • Transformer drying • Pipeline drying • Capacitor drying • Lithium-Ion battery drying...

Customised solutions for your application Whether you require a single pump, pump and booster combination or complete vacuum system, we have a range of pumps designed to provide optimal performance in a wide range of applications. Following are some typical applications where GXS is used. There are several other applications where GXS is suitable. For detailed advice and availability, please consult one of our application engineers. GXS Pump type LIGHT DUTY Shaft Seal Purge only Recommended Accessories MEDIUM DUTY MEDIUM DUTY MEDIUM DUTY MEDIUM DUTY 450 / 750 + + Shaft Seal As Medium High...

Technical data Unit Ultimate Pressure (without purge) Full Load Power Peak Pumping Speed mbar (Torr) @ ultimate pressure @ peak pumping load Supply options High volt Low volt High volt Low volt Connection Vacuum Couplings Cooling Water Exhaust DP across pump (min) Flow @ min DP Temperature NW40 bar (psig) l/min (gal/min) °C (°F) Light Duty Medium Duty High Flow Purge/ Solvent Flush Supply pressure Swagelok® Ø 3/8" tube with olive ½" NPT Male Noise (with suitable exhaust pipe) Filter connection Mass Control valve connection 18-52 Swagelok® Ø ¼” tube with olive Swagelok Ø 3/8" tube with olive...

Swagelok® Ø ¼” tube with olive Swagelok® Ø ¼” tube with olive Swagelok Ø 3/8" tube with olive Swagelok® Ø 3/8" tube with olive Front panel "Dashboard" Serial - RS232 Ethernet Webserver Parallel - MCM MicroTIM Profibus DP Pump Display Terminal (PDT) FabWorks® Shaft Seal Purge & High Vac Purge only Front panel "Dashboard" Serial - RS232 Ethernet Webserver Parallel - MCM MicroTIM Profibus DP Pump Display Terminal (PDT) FabWorks® Shaft Seal Purge & High Vac Purge only Shaft Seal Purge, High Vac Purge, Inlet Purge, variable Gas Ballast & Exhaust Purge (with Exhaust Pressure Sensor) Shaft Seal...

Notes: 1. xxxxxx indicate forklift/pallet truck access points. 2. Pumps are available either with skids (side-exit exhaust) or castors (rear-exit exhaust). Both options are shown for clarity. 3. Pumps supplied with side or rear exhaust only; both options shown in views. The side exhaust outlet direction is customer adjustable. 4. Earthquake restraints are provided only for pumps with castors. 5. Minimum required service area for access to the rear panel connections. 6. The High-Flow Purge / Solvent Flush accessory is located outside of the pump enclosure for dry pump only. It is inside the...

Performance curves Pumping speed curves for GXS160 & GXS250 10-2 Pumping speed curves for GXS160/1750 & GXS250/2600 Pumping speed curves for GXS450 10 -2 Pumping speed curves for GXS450/2600 & GXS450/4200 Pumping speed curves for GXS750/2600 & GXS750/4200 Pumping speed curves for GXS750 10 NOTE: Performance curves displayed are with purge. GXS Dry Screw Vacuum Pumps