High Vacuum

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NEW Varian 10 High Vacuum Flange
$29.95
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2 NEW Varian High Vacuum 2 3 4 ConFlat Flanges
$19.95
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New Varian 3 3 8 OD Disk for High Vacuum CF Flange
$19.95
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NEW Varian 6 High Vacuum Flange
$19.95
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NEW MDC 470503 Formed Bellows High Vacuum 35 Long Weld Cuffs FBW 6513
$30.00
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2002 Varian V 1000 Turbo High Vacuum Pump
$1,800.00
quality
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Osaka High Vacuum Turbo Pump Controller Model TD370 400 Seiko Seiki Varian
$895.00
quality
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High Vacuum Research Chamber 275 CFF Conflat Feed Through Flange Varian MDC
$95.00
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NEW EDWARDS B271 58 064 VITON COSEAL FOR ISO63 NW 63 PUMP FITTING HIGH VACUUM
$24.99
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EDWARDS HIGH VACUUM PNEUMATIC ROUGHING VALVE MODEL PV25PKA HP ITEM L 2335 15
$199.00
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New High Vacuum SS KF50 Bellows Flexible Pipe Vacuum corrugated Hose 2000mm L78
$120.00
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MDC Stainless Steel High Vacuum Tubing 63 Long ISO K DN100 Flanges ISO100 K
$339.99
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MDC Stainless Steel High Vacuum Tubing 67 Long ISO K DN100 Flanges ISO100 K
$339.99
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ISO 100 ELBOW FOR HIGH VACUUM VACUUM FITTING
$64.00
quality
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Kinney KC5C 802497 High Vacuum Pump Bare 3 4 Dia Shaft
$274.99
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ROBINAIR MODEL 15141 HIGH VACUUM PUMP
$800.00
quality
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Kurt Lesker NW40 Pneumatic High Vacuum Valve SS SL0150PVQF Used
$175.00
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Custom High Vacuum Chamber
$800.00
quality
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HVA High Vacuum Apparatus Model 22242 0213M Steel Valve R
$2,865.99
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Ni High Temperature Diffusion Pump Heater Wire 12 15A
$15.00
quality
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Honeywell vacuumpressure switch for high efficient natural gas furnace
$25.00
quality
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Pfeiffer Balzers TPH 330 High Vacuum Turbo Molecular Pump PM P01 232 K168
$1,884.99
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2 Stage High Performance Rotary Vane Deep 7 CFM Vacuum Pump 110V
$299.00
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Edwards high vacuum 600AB 10 TORR
$250.00
quality
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VARIAN HIGH VACUUM STAINLESS STEEL 2 3 4 CONFLAT BLANKS
$55.00
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Thermal Engineering Catalog 1895 High Vacuum Pump 2 Stage Cart Mounted
$1,139.00
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Helix CTI Cryogenics 8200 High Vacuum Pump Compressor Unit 3PH 21KW 8032549G001
$2,999.99
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4CFM Single Stage Electric Rotary Vane Vacuum Pump 1 3HP High Efficienc VP135
$64.91
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High vacuum Research Chamber 45 CFF Open Flange Varian MDC Nor Cal Huntington
$70.00
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High vacuum Research Chamber 8CFF Blank Flange Varian MDC Nor Cal Huntington
$75.00
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Mini Split Installation Kit High Quality Vacuum PumpCharging HoseThread Seal
$93.25
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VARIAN 6 WAY HIGH VACUUM FITTING 2 3 4 FLANGE NICE
$150.00
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diffusion pump veeco high vacuum equipment catalog 1959
$10.00
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Edwards Diffstak High Vacuum Small Diffusion Pump
$599.97
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Nor Cal Lesker inline high vacuum valve CF flanges
$170.00
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NIP KEY HIGH VACUUM PRODUCTS VALVE MODEL BA 112
$80.00
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SMC NZM071HT K5LZ E55L VACUUM GENERATOR HIGH PRESS DC NEW
$166.43
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Super Lube 91003 Silicone High Dielectric and Vacuum Grease
$14.17
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BOC Edwards IGX6 100L 100N 200v Dry High Vacuum Pump Semiconductor Warranty
$5,799.00
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MDC Stainless Steel High Vacuum Chamber Flanges Valve 41 Length x 6 Diameter
$679.98
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High Vacuum Connector 8 Diameter 8 Length CFF Varian MDC Nor Cal Huntington
$149.00
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MDC GV 1500V P High Vacuum Chamber 275 CFF Flange Gate Valve Varian Edwards
$425.00
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High Vacuum Connector 6 to 45 CFF Varian MDC Nor Cal Huntington
$149.00
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MDC Vacuum Del Seal 2 Rotatable 275 CFF Fittings 45 Deg Elbow High Vacuum
$194.99
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High Vacuum Chamber
$4,000.00
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New Kurt J Lesker ISO 100 Stainless Flange Adapter 100mm High Vacuum Fitting
$55.24
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MBRAUN MB EPV 40 High Vacuum Electro Pneumatic Valve DN40 275 Conflat 24VDC
$187.46
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1400B 01 Pump High Vacuum
$2,867.15
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Alcatel Annecy 5400 Turbo Molecular High Vacuum Pump W Fan Cables
$1,399.99
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1397B 01 Pump High Vacuum 1 HP
$7,479.64
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1376B 01 Pump High Vacuum 1 HP
$5,816.15
quality
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High Vacuum Conflat 275 Butterfly Vacuum Valve Shutoff Throttle SHV
$75.00
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1402B 01 Pump High Vacuum
$4,257.77
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High Vacuum Research UHV Chamber 8 Blank Flange Huntington 800 000 w cu gasket
$49.95
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32 Varian High Vacuum Diffusion Pump
$6,199.97
quality
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Ni High Temperature Diffusion Pump Heater Wire 10 22A
$17.50
quality
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C115251 Tempco Triple Chamber High Vacuum Oven w Varian Ion Pump
$1,000.00
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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KENT HIGH POWER COMMERCIAL VACUUM CLEANER EUROCLEAN TYPE GUARANTEED
$122.00
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VARIAN 5 ISO HIGH VACUUM ORING SEAL AND 4 CLAPS
$25.00
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High Vacuum Research Chamber 1625 ASA Blank Varian MDC
$295.00
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Kinney High Vacuum Pump Model KC 3
$90.00
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VACUUM HIGH VACUUM RESEARCH CHAMBER BELLOWS 4 AA
$120.00
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MKS High Vacuum Gauge Controller Model 937A Pirani HPS 120V Varian Pheiffer
$945.00
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Millipore WP62MNT00 High Output Vacuum Pump Maintenance Kit
$42.09
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MKS High Vacuum Research Chamber Inline Valve KF40 Shut Off
$455.00
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MKS High Vacuum Research Chamber Inline Valve KF50 Shut Off
$475.00
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MKS High Vacuum Research Chamber Inline Valve KF50 Shut Off
$255.00
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RIDGID 12 Gal 5 PHP Wet Dry Vacuum High Performance cleaner WD1270 Peak HP New
$111.99
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Huntington High Vacuum Valve Model EV 100 X
$120.00
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Welch GEM 10 High Vacuum Rotary Vane Dual Stage Mechanical Vacuum Pump 11 CFM
$697.50
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Varian High Vacuum Research Chamber 8CFF Air Actuated Gate Valve MDC HVA
$895.00
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Varian SD 700 Duel Stage Rotary Vane High Vacuum Pump 0424 P1421
$799.00
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Edwards C10005080 High Vacuum Adapter ISO40 ISO F Bolted to NW50 iQDP Used
$127.15
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Edwards High Vacuum Adapter Tube ISO100 ISO K to ISO100 ISO F 7375 Used
$157.15
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Edwards High Vacuum Adaptor Tube ISO100 ISO K to ISO100 ISO F 6375 Used
$157.15
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Edwards C3095 High Vacuum Adapter Tee ISO63 ISO F to ISO100 ISO F NW25 Used
$127.15
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High Vacuum Research Chamber Special Made 11 Flange Reducer MDV Varian
$85.00
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Edwards High Vacuum Conical Reducer Tee ISO80 ISO F to NW50 65 NW25 Used
$127.15
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Edwards High Vacuum Tube Tee ISO100 ISO F NW25 iQDP QDP Series Used Working
$227.15
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Edwards A1509 High Vacuum Adapter ISO63 ISO F Bolted to NW40 iQDP Series Used
$127.15
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Key High Vacuum 3 4 Brass BLP75 Inline Valve Poppet Disc + Free Priority SH
$85.00
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Edwards High Vacuum Conical Reducer ISO80 ISO K to ISO40 Bolted NW25 420 Used
$127.15
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Edwards High Vacuum Adapter Tube ISO63 ISO K to NW50 60mm Used Working
$127.15
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Lot of 2 SMC ZSE40 01 30L M High Precision Vacuum Switch T64097
$80.00
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Edwards High Vacuum Adapter Tube ISO100 to NW50 35 Used Working
$127.15
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HVA HIGH VACUUM APPARATUS 4 ANSI PNEUMATIC GATE VALVE
$699.99
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EDWARDS EDM6 HIGH VACUUM PUMP
$550.00
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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