Group: Atlas Copco
Catalog excerpts
gxs dry screw vacuum pumps
Open the catalog to page 1EDWARDS 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
Open the catalog to page 2GXS 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...
Open the catalog to page 3Double 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 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 Advanced shaft sealing technology •...
Open the catalog to page 4World 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 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...
Open the catalog to page 5Applications Metallurgy • 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 Coating • Roll web coating • Hard coating (CVD/DLC) • Surface activation • Plasma spray • Glass coating Drying • Freeze drying • Bushing filling • Transformer drying • Pipeline drying • Capacitor drying • Lithium-Ion battery drying Plasma processes • Plasma welding • Plasma...
Open the catalog to page 6* use MD+ for LPC with propane ** use MD+ for waxy binders EDWARDS GXS Dry Screw Vacuum Pumps
Open the catalog to page 7* Purge Gas information, Light duty: shaft seal purge only, Medium duty: Shaft seal purge, inlet purge, variable gas ballast & exhaust purge (with exhaust pressure sensor), Medium duty plus: As Medium duty, plus High Flow Purge/Solvent Flush EDWARDS GXS Dry Screw Vacuum Pumps
Open the catalog to page 82.5-6.9 (36-100) 12 18-146 Swagelok" 0 A" tube with olive 2.5-6.9 (36-100) Swagelok" 0 3/8" tube with olive A" NPT Female 3/8" BSP Male (G 3/8") 5-40 (41-104) High Volt variants 5-30 (41-86) Low Volt variants 1/2" BSP Male (G 1/2") 2.5-6.9 (36-100) 12 18-146 Swagelok" 0 A" tube with olive 2.5-6.9 (36-100) Swagelok" 0 3/8" tube with olive A" NPT Female 3/8" BSP Male (G 3/8") 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_...
Open the catalog to page 9Notes: 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...
Open the catalog to page 10Performance 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
Open the catalog to page 11Accessories There are a range of accessories available with the GXS to suit a variety of applications. These provide reduced engineering and systemisation resulting in low cost of ownership. All accessories are fully integrated with GXS to provide an efficient and safe system. Inlet and exhaust accessories Inlet and exhaust accessories have been especially designed to match the pumping capacities of the GXS range and optimise performance. • Foreline spool adapters for mounting instrumentation • Fully integrated Inlet isolation valves • Inlet filter housing with polyester or stainless steel...
Open the catalog to page 12Inlet Vacuum Filters The GXS range of pumps all have excellent powder handling capabilities and under fault conditions they will succeed where other dry pumps fail. However dry vacuum pumps aren't designed to continuously pump solid material so on certain applications an inlet filter would dramatically extend the time between services. Specifications Helium leak tested to 1x10-6 mbar/l/sec • Polyester Elements: >99% efficient to 5pm • Rugged carbon steel construction • Large dirt holding capacity Options • Stainless steel housing construction • Stainless steel mesh filter elements EDWARDS...
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