High Vacuum

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Leybold Heraeus Oerlikon TurboVac 360 Turbo Pump Turbo Molecular High Vacuum
$499.00
quality
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High Vac Vacuum Pump Emerson 5 hp motor Vac Pump Pumping Sealing Processing
$2,499.99
quality
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2X KADANT A 18234 A 18233 V1000 8IN V1000 HIGH VACUUM VALVE DIAPHRAGM B242171
$50.00
quality
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Varian Hunting MDC 7 1 2 High Vacuum 4 Bolt Pattern Flange Unit
$29.99
quality
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Cenco High Vacuum Diffusion Pump Cat No 93435 1200W 230V
$800.00
quality
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SKC HIGH VOLUME SAMPLING VACUUM PUMP GAST Model 3031 V104 G570X
$399.99
quality
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VAT High Vacuum Gate Valve A 214625
$599.00
quality
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VAT 8 ASA High Vacuum Gate Valve 20046 PA14 1001
$999.00
quality
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SMC High Vacuum Valve XLA XLAQ 40 X798 3D80 001039 11
$45.00
quality
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High Vacuum Research Chamber ASA Irregular 7OD Flang Varian MDC
$175.00
quality
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High Vacuum Flexible Coupler Bellows Pipeline 5 Long ISO 275 Aperture
$55.99
quality
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High Vacuum Flange Laser Beam Port Window Mica 55mm 2 3 16in OD 4mm port SSteel
$7.99
quality
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SMC XLA160 30 1 M9BA High Vacuum Valve Assembly Used Working
$304.14
quality
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DANIELSON TRIBODYN TD 30 16 TURBO DRAG DRY HIGH VACUUM PUMP
$115.52
quality
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MDC HIGH VACUUM COMPRESSION PORT FEEDTHROUGH STRAIGHT TUBE VACUUM FITTING
$35.00
quality
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MKS Stainless Steel Bellows High Vacuum Tube 19 1 2 Length DN16 KF Flange
$59.99
quality
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Edwards High Vacuum UHV Thermocouple 30ft Cable D36832010 Conflat MDC MKS New
$89.00
quality
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SMC XLAV 40G F9HIGH VACUUM ANGLE SOLENOID VALVE
$105.00
quality
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Welch Duo Seal Two Stage High Vacuum Pump Model 1397 Industrial
$1,750.00
quality
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Robinair 13203 1 Qt A c Premium High Vacuum Pump Oil
$7.26
quality
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NEW HVA 122 0060 16mm Pneumatic Gate Valve Stainless Steel High Vacuum Apparatus
$169.99
quality
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MDC High Vacuum Research Chamber Temonics Valve System Varian Huntington
$3,295.00
quality
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20 x 20 Water Cooled Round SS High Vacuum Chamber w many ports
$5,999.99
quality
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VARIAN HIGH VACUUM CHAMBER STAINLESS STEEL TORR CONFLAT 100 GUARANTEED
$4,500.00
quality
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VAT STAINLESS STEEL HIGH VACUUM VALVE 4 1 2 CONFLAT 100 GUARANTEED OR YOUR MON
$350.00
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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HVA 6ID 11OD Flange Stainless Steel Gate Valve Housing High Vacuum Apparatus
$137.99
quality
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Lot Of 2 Key High Vacuum Valves BL 37 Brass Good Condition
$24.50
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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Cryogenic Associates High Vacuum Container R 219 81 649
$587.82
quality
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Cryogenic Associates High Vacuum Container R 141212 75
$671.45
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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Lot of 2 High Vacuum KF Fittings
$49.00
quality
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VAT 8 ASA High Vacuum Gate Valve
$999.00
quality
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MKS Instruments 151 0063P High Vacuum Manual Valve New
$376.99
quality
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SKC HIGH VOLUME SAMPLING VACUUM PUMP GAST Model 3031 V104 G570X K037MYRP380
$449.99
quality
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MDC High Vacuum Research Chamber Bellows 275 Conflat Flange Varian Pfeiffer
$125.00
quality
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High Vacuum Apparatus HVA 163 0073 2 Valve
$69.99
quality
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Leybold Turbovac TMP 3500 Turbo Molecular High Vacuum Pump
$999.99
quality
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Edwards EXT 70H 24V Turbo Molecular High Vacuum Pump Thermo Fisher Orbitrap
$1,599.99
quality
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Alcatel ATH 30 C Turbomolecular Turbo Drag High Vacuum Turbo Pump 31 l s
$499.99
quality
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NEW 275 CF Conflat Flange High Vacuum Research Chamber Feedthrough Stainless
$49.99
quality
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Varian High Vacuum Bakeout Control
$350.00
quality
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SMC XLA 100DL X68 High Vacuum Valve
$1,200.00
quality
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SMC XYA 40 X1251 High Vacuum Valve
$499.00
quality
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Apiezon N Cryogenic High Vacuum Grease
$99.99
quality
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Edwards 2 Two Stage High Pump Vacuum Model E2M2 GE 5KC37NN470X
$199.00
quality
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High Efficiency Rotary Vane Vacuum Pump 1 3HP D1 VP235 New 2 Stage
$169.00
quality
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MDC GV 2500 25CF ConFlat Flange Ultra High Vacuum UHV Pneumatic Gate Valve
$299.99
quality
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High Vacuum Research Chamber 8ASA Flange Varian Pfeiffer MDC 135OD
$450.00
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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Varian VacIon 921 0015 High Voltage Ion Vacuum Pump Control Unit Controller 1
$199.99
quality
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SMC Pneumatic ZSE40 C4 62L High Precision Digital Adjustable Vacuum Switch
$49.99
quality
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110V HIGH EFFICIENCY 1 4HP ROTARY VANE DEEP VACUUM PUMP HVAC AC AIR TOOL a1
$64.99
quality
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3CFM 1 4HP SINGLE STAGE ROTARY VANE DEEP VACUUM PUMP HIGH EFFICIENCY t5
$64.99
quality
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SINGLE STAGE 3CFM 1 4HP ROTARY VANE DEEP VACUUM PUMP HVAC HIGH EFFICIENCY n7
$64.99
quality
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Hobman Laboratories High Vacuum CF Manual Gate Valve
$249.00
quality
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VAT 26524 KA11 0001 0447 Right Angle Pneumatic High Vacuum Valve
$139.99
quality
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Original Gast 1532 High Volume Sampling Pump Kit
$420.00
quality
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FABRI Valve High Vacuum Research Chamber 8 ASA Pneumatic Gate Valve Varian MDC
$1,200.00
quality
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Edwards BOC EXT 6 200 Turbomolecular High Vacuum Turbo Pump 6 200
$1,695.27
quality
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Bell Jar Vacuum Chamber 20 ID x 28 high
$340.00
quality
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ROBINAIR COOLTECH 15600 6 CFM TWO STAGE HIGH PERFORMANCE VACUUM PUMPA31
$255.00
quality
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4 Way High Vacuum Hose Fitting
$49.00
quality
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Lot of 3 Varian Model 951 5027 Bakeable High Vacuum Valves + Over 25 New Parts
$549.00
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New Aerzen Amusa GMA 138 V 00 High Vacuum Positive Displayment 10 HP Blower
$9,500.00
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VC22 Vinyl Vacuum Cup 78 Dia 54 High 25 Inlet
$2.99
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VC10A Vinyl Vacuum Cup 104 Dia 59 High 9 32 Inlet
$2.99
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New Aerzen Amusa GMB 1715 HV 00 High Vacuum Positive Displayment 30 HP Blower
$11,900.00
quality
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EDWARDS ED660 SPEEDIVAC BELT DRIVE ROTARY HIGH VACUUM PUMP 40CMH BALDOR M3554
$850.00
quality
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High Vacuum Research Chamber 2ASA Bellows Flange Varian Pfeiffer MDC
$225.00
quality
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Varian Cryo Stack 8 8 High Vacuum Cryo Pump
$484.99
quality
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High Vacuum Research Chamber 5 1 2 Blank MDC Varian Huntington
$65.00
quality
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New 2 Stage High Efficiency Rotary Vane Vacuum Pump 1 3HP Super VP235
$129.00
quality
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SS 50mm Aperture High Vacuum Flexible Bellows Fitting
$31.95
quality
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Kinney High Vacuum Pump Model KC5
$550.00
quality
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Edwards Magnetic valve high vacuum 1 inch Unused
$199.99
quality
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Kinney High Vacuum Pump KC 8
$650.00
quality
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NEW In Box Edwards EXT 75DX Turbo Molecular High Vacuum Pump DN40 Inlet Flange
$2,499.99
quality
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NOR CAL STYLE 15 UHV VACUUM GATE VALVE HIGH RING DIAMETER 3960
$195.00
quality
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High Vacuum Research Chamber Small Cryo Trap Civ Unit Nor Cal Varian MDC
$95.00
quality
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Alcatel FA 111 High Vacuum Cold Cathode Penning Gauge Controller
$99.99
quality
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Leybold Heraeus TurboVac 50 High Vacuum Turbo Pump with Cable
$299.99
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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VARIAN FC12 ULTRA HIGH VACUUM SYSTEM CHAMBER
$4,600.00
quality
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Helix CTI Cryogenics Cryo Torr 7 High Vacuum Pump 1000L s Cryopump 6 ANSI CT 7
$549.99
quality
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High Vacuum Research Chamber 3 ASA Elbow Zeyon Tricon
$250.00
quality
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High Vacuum Research Chamber 3ASA Flange Elbow Tricon Zeyon KF16 Port
$275.00
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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