High Vacuum

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Pfeiffer Balzers TPH 100 Turbo Molecular High Vacuum Pump Rebuilt
$1,499.00
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High Vacuum Copper Gaskets for 1 1 3 in CF Flange 3 4
$1.25
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High vacuum linear feed through 2 travel
$749.00
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Huntington Labs High Vacuum ASA Feedthrough Flange
$62.10
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SLOAN V600AA Vacuum Breaker High Back Pressure Closet
$31.30
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Pail Liner Vacuum Formed Color Clear High Density Polyethylene Material
$209.95
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PFEIFFER BALZERS TPD 020 TURBO DRAG HIGH VACUUM PUMP WITH CONTROLLER
$1,200.00
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Agilent HP E1406A Command Module Multimeter Cards E1401B High Power Mainframe
$750.00
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Edwards high vacuum pump EDM 12 A P BEING SOLD FOR PARTS
$200.00
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VAT High Vacuum Gate Valve 14046 PE14 0006 0004semiconductor lab equipment
$1,760.00
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High Vacuum 8 T with 2 blanks two gauges and VAT valve Stainless steel great
$499.99
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Tuthill Vacuum Systems Kinney High Vacuum Pump 75 HP Motor 107 CFM KTC112
$3,495.00
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SMC XSA2 22V 5G High Vacuum Valve New
$99.00
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SMC XSA1 22V 5G High Vacuum Valve New
$99.00
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Edwards Speedivac High Vacuum Pump ED 300
$619.86
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Kinney KC8 Two Stage Rotary Piston High Vacuum Pump with Leeson 1 2 Motor KC 8
$1,295.00
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SMC XSA3 43V 5G High Vacuum Valve New
$99.00
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High Vacuum High Voltage Experimental Chamber with Turbo pump and 100kV Flange
$6,999.99
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Varian 954 5008 High Vacuum Research Chamber Current Feed Through 275CF Flange
$124.99
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Gast Regenair Regenerative High Volume Vacuum Blower R7100A 3 10HP 425CFM NEW
$3,350.00
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NEW MDC BNC 275 4 High Vacuum 275CF 4 Conductor Electrical Coaxial Feedthrough
$149.99
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HVA 15 Gate Valve Model High Vacuum 11222 0150M Pneumatic w Wiring MDC
$199.90
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Genesis ICP 200 623 4202 Quick Regen Ultra High Fixed Sputter Cryopump CF Flange
$1,999.99
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HIGH FLO 12V Internal Bypass Pump 5275814 21 GPM NEW Free Shipping
$52.95
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2 Stage High Performance Rotary Vane Deep Vacuum Pump 115CFM HVAC Epoxy Bagging
$447.77
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Alcatel ATH 30 C Turbomolecular Turbo Drag High Vacuum Turbo Pump 31 l s
$499.99
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2 Stage High Performance Rotary Vane Deep Vacuum Pump 12CFM 1HP HVAC Field Tool
$447.77
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Varian MDC Ultra High Vacuum 275CF ConFlat Flange SS 4 Way Cross Tube Fitting
$99.99
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High Vacuum 8 CF Stainless Steel Conflat Flange Aluminum Flexible Bellows
$149.99
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Alcatel Annecy MDP 5010 75l s Turbo Molecular Drag Pump High Vacuum 27000RPM
$899.99
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Helix CTI Cryogenics Cryo Torr 7 High Vacuum Pump 1000L s Cryopump 6 NO GAUGE
$499.99
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MKS Digital Readout Power Supply Model PDR C 1C Baratron High Vacuum
$545.00
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MDC GV 2500 25CF ConFlat Flange Ultra High Vacuum UHV Pneumatic Gate Valve
$299.99
quality
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Varian VacIon 921 0015 High Voltage Ion Vacuum Pump Control Unit Controller 1
$199.99
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MKS HPS Stainless Steel High Vacuum Research Chamber 2 Way 3 CFF Conflat 8
$33.99
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NEW HVA 122 0060 16mm Pneumatic Gate Valve Stainless Steel High Vacuum Apparatus
$199.99
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HIGH EFFICIENT 3CFM Single Stage Rotary Vane Vacuum Pump Refrigerant HVAC Air
$73.03
quality
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High Vacuum Electrical Feedthrough 022631 REV B CER
$99.00
quality
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High Vacuum Machined KF Component
$99.00
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Sciex Qstar Mass Spectrometer High Vacuum Electrical Feedthrough 022804 B CFN
$99.00
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EDWARDS HIGH VACUUM 5130 3 BUTTERFLY VALVE NIB
$225.23
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Varian Turbo V 70 High Vacuum Turbo Pump ISO 63 TV70 969 9357
$999.99
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AN model 1039 SN high vacuum pneumatic valve
$150.00
quality
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AN model 1539 S N high vacuum pneumatic valve
$250.00
quality
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Key High Vacuum Switch RVA75 w Allenair 3CBX8A Solenoid Bimba Cylinder 091 R
$49.99
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High Vacuum Valves 275 CF Huntington ES 160 In Line Nor Cal ESV Right Angle
$199.00
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ACE NELSON HIGH VACUUM PUMP MODEL 921 115 VAC
$249.99
quality
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3 ROLLS VACUUM BAG SEALING HIGH TEMPERATURE SEALANT TAPE GLASS CARBON FIBER
$14.84
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VC54HD Vacuum Cup Pick Place 157 Diameter 3 4 High
$2.99
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BALZERS BAE 080 SCIENTIFIC HIGH VACUUM CHAMBER PUMP MOTOR PFEIFFER
$999.97
quality
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Lot of 2 Stainless High Vacuum Fitting Conflat DN40CF Flange Blanks F0275
$39.99
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Robinair VacuMaster Model 15600 High Performance Vacuum Pump
$75.00
quality
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2 Stage High Performance Rotary Vane Deep Vacuum Pump 2CFM Check Valve HVAC Tool
$99.97
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2 3 8 Kynar Viton High Flow Inline Check Valves HHO Air Vacuum Fitting
$7.99
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MDC 8CF ConFlat Flange Stainless Steel Valve Fitting Adapter for High Vacuum
$274.99
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Leybold Heraeus Turbovac 50 DN63CF 55l s Turbo Molecular High Vacuum Pump 85402
$899.99
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HIGH EFFICIENT 4CFM Single Stage 1 3HP Rotary Vane Vacuum Pump BRAND NEW
$115.95
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NEW 275 CF Conflat Flange High Vacuum Research Chamber Feedthrough Stainless
$49.99
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Varian VacIon 921 0015 High Voltage Vacuum Ion Pump Control Unit Controller 2
$199.99
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HOT HIGH PERFORMANCE 18CFM Single Stage Rotary Vane Deep Vacuum Pump
$164.47
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Lot of 5 High Vacuum Pipe Elbow OD 2 ID 125
$150.00
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Leybold High Vacuum Turbo Pump Turbovac 1000 C w Controller NT20
$15,000.00
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Sorption Pump Varian I believe for High Vac pumping
$94.50
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KINNEY High Vacuum Pumo Model KTC 60B KTC 60B Nice
$2,750.00
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VAT High Vacuum Gate Valve F20 98215 2 8 butterfly Valve
$999.00
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Leybold High Vacuum Solenoid Valve 28100
$199.00
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Metal Bellows Pump MB 203 High Pressure Dry Vacum Compressor Senior Aerospace
$450.00
quality
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Gate Valve Ultra high Vacuum Pneumatic by Huntington Labs
$4,095.00
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Alcatel Pascal 1005 SD High Vacuum Pump
$599.00
quality
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VAT 6 ASA Pneumatic High Vacuum Gate Valve F64 113333 1
$999.00
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VAT 6 ASA Pneumatic High Vacuum Gate Valve F14 112128 4
$999.00
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VAT High Vacuum Gate Valve F02 112188 4
$599.00
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VAT 4 ASA High Vacuum Gate Valve F10 60412 219
$599.00
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Leybold High Vacuum Solenoid Valve 28100
$199.00
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Leybold Heraeus Oerlikon TurboVac 360 Turbo Pump Turbo Molecular High Vacuum
$599.00
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GP Ultra High Vacuum Research Chamber Shut Off Manuel
$145.00
quality
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2625 Lot of 4 HPS MKS Flexible High Vacuum Hoses
$220.00
quality
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High Vacuum Research Chamber 4 Way Cross MDC Varian
$75.00
quality
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High Vacuum Research Chamber SS MDC Elbow and Flang Adapter
$80.00
quality
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NW40 to NW25 High Vacuum Stainless Steel Adapter Flange 3 Long
$39.95
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Balzers Vacuum Control Unit EVM 052A with high voltage up to 2500V 30 mA L568
$290.00
quality
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Electrolux Eureka Commercial Heavy Duty C2094 G 1 High Filtration Upright Vacuum
$95.00
quality
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2 Stage High Performance Rotary Vane Deep Vacuum Pump 12CFM 1HP HVAC Field Tool
$447.77
quality
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CTI CRYOGENICS CRYO TORR 100 HIGH VACUUM PUMP
$999.99
quality
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VARIAN 1251 1 1 8 FORGED BRASS BODY BRONZE BELLOWS SEALED HIGH VACUUM VALVE
$379.99
quality
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Helix CTI Cryogenics Cryo Torr 7 High Vacuum Pump 1000L s Cryopump 6 ANSI CT 7
$599.99
quality
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Pair of Varian Model 951 5027 Bakeable Ultra High Vacuum UHV Valves Pristine+
$629.00
quality
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New SLOAN V 651 A Vacuum Breaker Repair Kit High Back Pressure
$15.00
quality

High Vacuum

Uses Of Vacuum Chambers And Pumps

 

A vacuum chamber is a rigid enclosure from which air and other gases are removed by a vacuum pump. The vacuum, or low pressure zone, is created to allow technicians to conduct tests on substances or devices that are required to function in a vacuum. Chambers made of aluminum allow one to control the magnetic field inside from outside the vacuum. Conversely, chambers made of mu-metal prevent external fields from entering the vacuum.

Vacuum chambers are necessary to impede the contamination of samples in varied range of applications in spectroscopy and for film depositions. These ultra high vacuum applications are frequently utilized in semi-conductor manufacturing processes, because even the slightest degree of contamination can be disastrous in this industry. As referenced previously, vacuum chambers produce an environment that is conducive to testing devices that must operate in the vacuum that exists in outer space. Many vacuum chambers are constructed of aluminum, because aluminum, unlike other metals, is not magnetic.

Vacuum chambers are frequently constructed with multiple ports, covered with flanges, to allow instruments or windows to be installed in the walls of the chamber. For processes that only need low to medium levels of vacuum, rubber o-ring seals are utilized. In applications where very high vacuum levels are used, the flanges are made out of hardened steel which are sealed onto copper gaskets.

A type of vacuum chamber frequently used in the field of spacecraft engineering is a thermal vacuum chamber,, which provides a thermal environment representing what a spacecraft would experience in space. These applications also utilize very advanced   vacuum pumps

Vacuum chambers are frequently used when mixing resins and silicone rubbers. A vacuum chamber is needed when manufacturing resins and silicone rubber to insure that the mold is free of air bubbles. In order to prevent air bubbles, material are placed in a vacuum chamber while they set. The substrate upon which the vacuum is applied is mixed according to the manufacturers specifications. Because the material placed in the vacuum will expand to four times its original volume,the mixing container must be large enough to hold a volume of four times the amount of the original material that is being vacuumed to allow for the expansion. If additional volume is not provided, there will not be enough space available to allow the process to reach completion. The container in which the material is held is put into a vacuum chamber and the vacuum is applied when the vacuum pump is turned on. Subsequent to the vacuum attaining 982 mbar, the substrate will commence rising. . When the material falls it will plateau and not rise any more. The vacuuming is continued for another three minutes to make certain all of the air has been removed from the material. After this interval is attained, the vacuum is terminated and the pressure is allowed to equalize with the ambient pressure. At this point the vacuum chamber is opened and the substrate is removed and put into a mold.

Vacuum chambers utilized in the semi-conductor industry involve an exceedingly complex process. Due the very high levels of air purity required to avoid contamination of semi-conductor devices, these devices must be processed in ultra pure vacuums. With the progression of silicon based semi-conductor devices, the need for ultra high vacuum levels have increased to eliminate the possibility of any type of substrate contamination. For this reason, the most advanced ultra high vacuum chambers and pumps are used in space research and semi-conductor manufacturing. For semi-conductor manufacturing applications, impurities of even several molecules can destroy a substrated.

 

High Vacuum
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