High Vacuum

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Varian VacIon 921 0015 High Voltage Ion Vacuum Pump Control Unit Controller 1
$199.99
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Edwards E2M40 Two Stage Rotary Vane High Vacuum Pump w Leeson 2HP Motor
$1,999.99
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Leybold Trivac D25ET1 21111147 Dual Stage Rotary Vane High Vacuum Pump D25E
$349.99
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Ni High Temperature Diffusion Pump Heater Wire 10 22A
$17.50
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Cajon Company SS 4BHR 12 High Performance Critical Vacuum Pressure Hose New
$9.99
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Edwards E2M 1 Portable Dual Stage Rotary Vane High Vacuum Pump 2680 3200RPM 1PH
$199.99
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MDC High Vacuum Research Chamber 6 Way 45CFF Flange Varian Huntington
$365.00
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High Vacuum Research Chamber 1625 ASA Blank Varian MDC
$295.00
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2Stage High Performance Rotary Deep Vacuum Pump 6CFM+Built in Check Valve+HVAC R
$199.99
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HIGH QUALITY BLUE 1STAGE 3CFM Rotary Vane Deep Vacuum Pump HVAC AC Air Tool
$174.31
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2 Stage High Performance Rotary Vane Deep 7 CFM Vacuum Pump
$369.00
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NEW MDC BLANK HIGH VACUUM LF FLANGE 812008 S19 3 4E
$49.99
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MKS High Vacuum Gauge Controller Model 937A Pirani HPS 120V Varian Pheiffer
$945.00
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NEW MDC HIGH VACUUM FITTING TUBE NIPPLE 4TUBE FLANGE 821001 S19 3 1H
$159.99
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NEW HIGH VACUUM FLEXIBLE BELLOWS TUBE FITTING 4 FLANGE S19 3 2F
$159.99
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High Performance 3CFM Rotary Vane Deep Vacuum Pump HVAC AC
$174.07
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Varian High Vacuum Research Chamber 8CFF Air Actuated Gate Valve MDC HVA
$1,175.00
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2 Stage High Performance Rotary Vane Deep Vacuum Pump 12CFM 1HP HVAC Field Tool
$447.77
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Right Angle Stainless Steel High Vacuum Valve
$42.00
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WORKSHOP Wet Dry Vacs 16 Gal 65 Peak HP High Capacity Shop Vacuum Vac WS1600VA
$99.99
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High Vacuum Research Chamber Special Made 11 Flange Reducer MDV Varian
$85.00
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Edwards 2 Two Stage High Vacuum Pump Model E2M2
$550.00
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SMC XLA160 30 1 M9BA Pneumatic High Vacuum Angle Valve AMAT 0090 01100 Working
$1,008.13
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SMC Pneumatic ZSE40 C4 62L High Precision Digital Adjustable Vacuum S
$39.99
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6 ROLLS TACKY WEATHER PROOFING VACUUM BAG SEALING HIGH TEMPERATURE SEALANT TAPE
$22.99
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RTI Technologies 1 Qt Premium High Vacuum Pump Oil 217020
$34.99
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HVA HIGH VACUUM APPARATUS 4 ANSI PNEUMATIC GATE VALVE
$699.99
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Well working Welch Vacuum Pump 7 DirecTorr 8920A DIRECT DRIVE HIGH VACUUM 3 4HP
$350.00
quality
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SMC XLA 16A X585 High Vacuum Valve Brooks 150758 Lot of 2 New
$410.13
quality
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VC132 Vacuum Cups 135 Diameter 48 high 25 inlet
$2.99
quality
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Welch Duo Seal Two Stage High Vacuum Pump Model 1397 R Industrial
$2,750.00
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Genesis ICP 200 623 4202 Quick Regen Ultra High Fixed Sputter Cryopump CF Flange
$1,499.99
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GAST DAA V715 EB High Capacity Vacuum Pump 18 cfm 24Hg 60psi DUAL HEAD
$249.00
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NEW HVA 122 0060 16mm Pneumatic Gate Valve Stainless Steel High Vacuum Apparatus
$144.99
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VC36D Vacuum Cup Label Placement 1 Dia 34 High
$2.99
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VC36F Vacuum Cup Label Placement 1 Dia 39 High
$2.99
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Allegro High Volume Diaphragm Sample Pump Asbestos Lead
$180.00
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2 Stage High Performance Rotary Vane Deep Vacuum Pump 2CFM Check Valve HVAC Tool
$99.97
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VAT 24340 QA11 0002 0043 High Vacuum Angled Valve New Sealed
$750.00
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VAT 24340 QA11 0002 0047 High Vacuum Angled Valve New Sealed
$750.00
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8 Ultra High Vacuum Gate Valve Conflat Flanges Manual Op Very Good Cond ++
$499.00
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MKS High Vacuum 85 Long Feedthrough Flange KF40
$59.00
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VAT High Vacuum ASA Gate Valve 1375 OD
$2,400.00
quality
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High Vacuum KF16 to 32mm Fitting
$49.00
quality
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10 Long High Vacuum SS KF25 Bellows Flex Pipe
$49.00
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5 Long High Vacuum Bellows Flex Pipe KF40
$49.00
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High Vacuum KF40 Right Angle Fitting
$79.00
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Marvac Scientific Direct Drive High Vacuum Pump
$150.00
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High Vacuum Sieve Trap
$99.00
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Nor Cal High Vacuum KF40 Sealed Coaxial Metal Sieve Trap CT 4 1502 NWB
$99.00
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High Vacuum Flange ISO 100
$59.00
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7 Piece Lot of High Vacuum KF16 Fittings
$119.00
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Ultek High Vacuum CF Right Angle Valve
$99.00
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Gast 1532 High Volume Sampling Test Pump Kit
$349.99
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Aerzen High Vacuum Blower AMUSA GMB 1715 HV
$15,200.00
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SMC XLD 40 Pneumatic High Vacuum Valve Working
$358.13
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ROBINAIR High Performance VacuMaster 1 2 HP Vacuum Pump MODEL 15600
$25.00
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High Vacuum Pump Extended life Oil Free
$3,000.00
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MDC MFG 275 High Vacuum CF Electrical Feedthrough Flange
$59.00
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Varian High Vacuum Chamber Model 951 5013 Shut Off Valve 275 Flange MDC GP
$275.00
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Huntington High Vacuum Reseach Chamber 1325CFF Flange 275CFF Ports Varian MDC
$495.00
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High Vacuum Flexible Bellows SS 50mm Aperture
$19.95
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Lot of 2 SMC ZM071H K5L E15C High Pressure Vacuum Generator ZM Series
$175.00
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Edwards D02602000 High Vacuum Gauge APG 100 xm Used Working
$259.99
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LAPINE VACUUM MASTER HIGH VACUUM PUMP LEYBOLD
$390.00
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New Sealed HIS High Vacuum Tubing Linear Feedthrough Flexible Bellows KF40
$75.00
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Pittman Ametek High Capacity Flow Diaphragm Pumps T1 2HD 12 1NEA
$94.99
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Edwards High Vacuum Interface D37215000 Flash Module
$225.00
quality
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Castrol Braycote 806 High Vacuum Grease
$85.00
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Lot Of 2 Key High Vacuum Valves BL 37 Brass Good Condition
$15.50
quality
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Pfeiffer Balzers TPH 330 Vacuum Pump TPH330 Turbo Molecular High Vacuum Pump
$799.99
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High Vacuum Research Chamber 1325 CFF Flange Reducer Varian Huntington MDC
$395.00
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Ebara FS8 Vacuum Cryo Pump 11 Flange ICP 200L Genesis High Vacuum Cryogenic
$199.99
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MKS INSTRUMENTS 1 TORR BARATRON HIGH VACUUM SWITCH
$399.00
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High Vacuum Research Chamber 6 CFF Flange Reducer Huntington Varian MDC
$95.00
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7 Piece Lot of Aluminum KF25 High Vacuum Fittings
$159.00
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Edwards Speedivac High Vacuum Magnetic Valve 1 AA 00452
$149.00
quality
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COOLTECH SPX ROBINAIR HIGH PERFORMANCE VACUUM PUMP 15600 6 CFM 1 2 HP MOTOR
$99.99
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AN High Vacuum Solenoid Valve KF40 IV150 QF C P K S3A
$149.00
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23 Tall High Vacuum Chamber
$199.00
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5 Long High Vacuum Bellows 375 OD
$99.00
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SMC Air Actuated High Vacuum Valve Sanitary Position Sensors 2L80 XLAQ Pneumatic
$79.99
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12 Tall High Vacuum Chamber
$199.00
quality
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Leybold Heraeus High Vacuum Trap KF25 Flange AF 8 16 A
$99.00
quality
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Stainless Steel Ultra High Vacuum DPS Bellows Test Jig 725 Diameter HPS MKS
$129.99
quality
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MDC MFG High Vacuum CF Elbow 275 OD
$49.00
quality
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Norcal NOR CAL High Vacuum Pneumatic Valve Pump 90 degree 796 00809 1 001
$249.99
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Varian VacIon High Vacuum Pump Chamber 912 6000
$99.00
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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