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GXS Dry Pumps

GXS Dry Pumps
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GXS DRY SCREW VACUUM PUMPS Giving you a clear edge

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

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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...

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GXS innovative screw technology 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 Advanced shaft sealing technology • Non-contacting long-life seals with integral oil blocking labyrinth seal provides for highly effective sealing • Combined with a six litre per minute seal purge the gearbox is protected from contamination and the vacuum...

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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 rotor and stator design features provide argon gas pumping capability at full concentration • Advanced machining techniques and design features eliminate the need for rotor coatings while maintaining superb ultimate vacuum performance • Improved manufacturing technology and design contributes to low vibration and extremely quiet running...

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

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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. Recommended Accessories MEDIUM DUTY Shaft Seal Purge plus adjustable Gas Ballast. As standard Medium duty + option of additional Gas Ballast As Medium Duty plus...

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Technical data Peak Pumping Speed Ultimate Pressure (without purge) Full Load Power @ ultimate pressure @ peak pumping load Electrical Supply options Connection Vacuum Couplings Cooling Water Inlet Exhaust Supply pressure (max) DP across pump (min) Flow @ min DP Temperature bar (psig) bar (psig) l/min (gal/min) °C (°F) Mass Noise (with suitable exhaust pipe) Operating Temperature Exhaust Back Pressure (MAX) System IP rating Standard Lubrication Type Volume Monitoring & Standard l (gal) Control Monitoring Control Control & Serial - RS232 Ethernet Webserver Parallel - MCM MicroTIM Profibus DP...

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1/2” BSP Male (G 1/2”) 2.5-6.9 (36-100) 12 18-146 Swagelok® Ø ¼” tube with olive 2.5-6.9 (36-100) Swagelok® Ø 3/8" tube with olive ½" NPT Female 3/8" BSP Male (G 3/8") 860 (1996) <64 5-40 (41-104) 1400 (20) 21D PFPE Drynert® 25/6 2.5 (0.7) Front panel "Dashboard" Serial - RS232 Ethernet Webserver Parallel - MCM MicroTIM Profibus DP 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 Pump Display Terminal (PDT) FabWorks®...

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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...

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Performance curves Pumping speed curves for GXS160 & GXS250 10-2 Pumping speed curves for GXS160/1750 & GXS250/2600 750 Torr Pumping speed curves for GXS450 10 -3 Pumping speed curves for GXS450/2600 & GXS450/4200 Pumping speed curves for GXS750/2600 & GXS750/4200 100 Pumping speed curves for GXS750 10 NOTE: Performance curves displayed are with purge.

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