High Vacuum

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Alcatel 2004A Lab High Volume Vacuum Pump
$350.00
quality
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High Vacuum Research Chamber 3ASA Fourline Trap Civ Unit Nor Cal Varian MDC
$225.00
quality
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Swagelok Valve SS 4BK TH3 1C High Vacuum KF40
$69.00
quality
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High Vacuum 12 ASA Straight Union Section Vacuum Pipe Zeyon Tricon
$995.00
quality
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High Vacuum 10 to 8 ASA Pipe 180 Degree Elbow Zeyon Tricon
$695.00
quality
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High Vacuum 10 ASA 90 Degree Right Angel Elbow Port 6ASA Port Zeyon Tricon
$595.00
quality
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8 Piece Lot of Aluminum KF25 High Vacuum Fittings
$249.00
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Swagelok Valve SS 4BK TH3 10 High Vacuum KF40
$69.00
quality
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5 Piece Lot of High Vacuum ISO KF NW KF16 Clamps
$39.00
quality
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SARGENT WELCH DuoSeal Rotary Vane High Vacuum Pump Model 1376
$699.97
quality
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Nilfisk GS 83 Industrial High Volume 69 Liter Vacuum
$1,999.00
quality
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Senior Operations 49243 Prime Mover Metal Bellow Pneumatic Cylinder High Vacuum
$199.99
quality
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MKS Instruments Spectra HPQ 2 High Pressure Process Monitor Control Unit
$812.13
quality
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Varian UHV StarCell 55 l S Ion Getter Pump IGP Refurbished Ultra High Vacuum
$1,150.00
quality
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VC 150 Vacuum Cup Pick N Place 1 7 8 Dia 11 16 High
$5.10
quality
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CO2 Laser High Vacuum Pump Stand
$0.99
quality
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VC119 Vacuum Cups 77 Lip 1 2 high 14 Stem ID Vicas
$3.05
quality
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Vacuum Research Chamber Manual Gate Valve SS Innotect Group SVB 62M 6 High
$599.99
quality
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KEY HIGH VACUUM PRODUCTS CLAMPS KF40 NNB LOT OF 7
$70.25
quality
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Ceramaseal Cat 8102 High Voltage Plug In Feedthrough 4 Pin New Old Stock
$499.99
quality
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EDWARDS HIGH VACUUM APG M NW16 ACTIVE PIRANI GAUGE D02171000 DN KF 16 FLANGE
$195.00
quality
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Leybold Heraeus RGD 210 KF25 1OD Pneumatic High Vacuum Valve Cylinder Assembly
$183.99
quality
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NEW 275 CF Conflat Flange High Vacuum Research Chamber Feedthrough Stainless
$49.99
quality
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Varian VacIon 921 0015 High Voltage Vacuum Ion Pump Control Unit Controller 2
$199.99
quality
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Alcatel Annecy MDP 5010 75l s Turbo Molecular Drag Pump High Vacuum 27000RPM
$899.99
quality
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Alcatel ATH 30 C Turbomolecular Turbo Drag High Vacuum Turbo Pump 31 l s
$399.99
quality
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Edwards E2M40 Two Stage Rotary Vane High Vacuum Pump w Leeson 2HP Motor
$1,999.99
quality
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Leybold Heraeus Turbovac 50 DN63CF 55l s Turbo Molecular High Vacuum Pump 85402
$799.99
quality
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Leybold Trivac D10E Dual Stage Oil Sealed Rotary Vane High Vacuum Pump 3
$399.99
quality
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Leybold Trivac D10E Dual Stage Oil Sealed Rotary Vane High Vacuum Pump 1
$399.99
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Leybold Trivac D25E Dual Stage Rotary Vane High Vacuum Pump E7B4B3 7 224
$399.99
quality
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Leybold Trivac D25E Dual Stage Rotary Vane High Vacuum Pump 1400 1600RPM
$374.99
quality
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Edwards E2M 1 Portable Dual Stage Rotary Vane High Vacuum Pump 2680 3200RPM 1PH
$199.99
quality
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Leybold Trivac D25ET1 21111147 Dual Stage Rotary Vane High Vacuum Pump D25E
$349.99
quality
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NEW HVA 122 0060 16mm Pneumatic Gate Valve Stainless Steel High Vacuum Apparatus
$144.99
quality
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Genesis ICP 200 623 4202 Quick Regen Ultra High Fixed Sputter Cryopump CF Flange
$1,499.99
quality
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Speedivac Edwards High Vacuum Pump Model ES 200 A ES200A NR
$99.99
quality
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Brand new SMC XLA 80D A93A HIGH VACUUM VALVE
$150.00
quality
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Robinair 15600 VacuMaster 1 2hp 6CFM High Performance Vacuum Pump
$113.10
quality
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Varian VacIon 921 0015 High Voltage Ion Vacuum Pump Control Unit Controller 1
$199.99
quality
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Varian High Vacuum Research Chamber 3 Way Rotatable 275 Flange MDC Huntington
$65.00
quality
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Edwards High Vacuum UHV Thermocouple 30ft Cable D36832010 Conflat MDC MKS New
$89.00
quality
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ROSS COOK HI VACUUM BLOWER 75 HP HIGH VAC DUST COLLECTOR TOOL EXTRACTOR
$7,200.00
quality
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Varian High Vacuum Research Chamber 2 Way Flange 275CFF O Ring Huntington MDC
$65.00
quality
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MDC High Vacuum Research Chamber 2 Way Rotatable 275CFF Varian Huntington
$65.00
quality
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Huntington High Vacuum Research Chamber 2 Way Rotatable 275CFF MDC Varian
$65.00
quality
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ATRIX COMMERCIAL HIGH CAPACITY HEPA IPM VACUUM 5 GALLON FILTER ATIHCIPM
$407.96
quality
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New 2 Stage High Efficiency Rotary Vane Vacuum Pump 1 3HP Super
$139.00
quality
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6 Long MKS High Vacuum Bellows Flex Pipe KF50
$75.00
quality
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4 Piece Lot of KF16 NW High Vacuum Fittings
$89.00
quality
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Alcatel 2460 Comptech Sputter Tool High Vacuum Chamber
$3,350.00
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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High Vacuum SS 45 Degree Elbow ISO 80
$99.00
quality
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High Vacuum Straight Pipe with 45 Degree End ISO 80
$99.00
quality
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Varian SS 5 Way CF Conflat High Vacuum Fitting w Viewport
$99.00
quality
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Nor Cal High Vacuum Pneumatic Right Angle Poppet Valve ISO 80
$119.00
quality
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3 Long SS High Vacuum Bellows Flex Pipe ISO 80
$99.00
quality
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High Vacuum 12ASA Flange 90 Degree Bowed Elbow Pipe Tricon Zeyon
$695.00
quality
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High Vacuum Research Chamber that is a 8CFF Flange 5 3 4Deep NC Huntington
$245.00
quality
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Nor Cal High Vacuum Pneumatic Right Angle Poppet Valve ASA 525 OD
$119.00
quality
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High Vacuum 8ASA Flang Bellows 90 Degree Elbow Pipe Tricon Zeyon
$495.00
quality
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Varian High Vacuum CF Conflat Feedthrough Flange 6 OD
$149.00
quality
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KEY HIGH VACUUM PRODUCTS KF25 NEW LOT OF 7
$52.75
quality
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Key High Vacuum Valve BL 162 P O Bellows Sealed With 120vac Mac Valve 1625 Port
$125.00
quality
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Welch Vacuum Pump 7 DirecTorr 8920A DIRECT DRIVE HIGH VACUUM LARGE
$1,099.99
quality
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MDC High Vacuum Research Chamber 8CFF Flange 6 Way 10Fixed Huntington Varian
$895.00
quality
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Welch Vacuum Pump 7 DirecTorr 8920A DIRECT DRIVE HIGH VACUUM LARGE
$1,099.99
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19 Long High Vacuum SS Bellows Flex Pipe ISO 63
$79.00
quality
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19 Long MKS SS High Vacuum Bellows Flex Pipe ISO 100
$79.00
quality
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7 Long High Vacuum ASA Straight Pipe 525 OD
$89.00
quality
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High Vacuum ASA 90 Degree Elbow w Port 525 OD 1
$89.00
quality
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High Vacuum ASA 90 Degree Elbow w Port 525 OD 2
$89.00
quality
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NEW 10 3 4 OD HIGH VACUUM COPPER GASKET 10 ID
$15.00
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High Vacuum Manual Flow Control Damper Butterfly Valve Aluminum Construction
$49.99
quality
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SMC XLD 25 F9NA HIGH VACUUM VALVE W TWO D F9N SWITCHES
$399.99
quality
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MDC High Vacuum Gate Valve Model GV 8000V ASAP SP
$1,800.00
quality
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High Vacuum Apparatus Mfg Inc 6 Inch Pneumatic Gate Valve
$900.00
quality
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AN High Vacuum Research Chamber 8CFF Flange Reducer to 275 CFFFlange Nor Cal
$225.00
quality
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Varian High Vacuum Research Chamber 6ASA Reducer 10 Flange MDC Huntington
$195.00
quality
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MDC High Vacuum Research Chamber 8 CFF Blank Flange Varian Huntington Nor Cal
$85.00
quality
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High Vacuum High Voltage Experimental Chamber with Turbo pump and 100kV Flange
$3,999.99
quality
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Robinair 15101 B High Vacuum Pump 5 CFM
$149.00
quality
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HiTek Power 0090 90860 High Voltage Power Supply A1007960 Untested
$1,005.12
quality
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High Vacuum Research Chamber 8 CFF Blank Flange Huntington MDC Nor Cal Varian
$80.00
quality
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GAST DAA V715 EB High Capacity Vacuum Pump 18 cfm 24Hg 60psi DUAL HEAD
$199.00
quality
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High Vacuum Research Chamber 6ASA Elbow Varian Pfeiffer
$195.00
quality
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High Vacuum Research Chamber 8 Reducer Flange 3 3 16ID Huntington Varian MDC
$95.00
quality
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Lot of 13 High Vacuum Valves ANSharpe more 3 Piece Ball Valves 316 SS
$399.99
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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