High Vacuum

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Perkin Elmer Ultek High Vacuum D I Pump 207 0120
$1,400.00
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Lot of 2 High Vacuum KF Fittings
$49.00
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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
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16 SS High Vacuum ISO 80 Pipe
$99.00
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ROSS COOK HI VACUUM BLOWER 75 HP HIGH VAC DUST COLLECTOR TOOL EXTRACTOR
$6,500.00
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MDC HIGH VACUUM COMPRESSION PORT FEEDTHROUGH STRAIGHT TUBE VACUUM FITTING
$35.00
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Cryogenic Associates High Vacuum Container R 219 81 649
$638.93
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Cryogenic Associates High Vacuum Container R 141212 75
$729.84
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SKC HIGH VOLUME SAMPLING VACUUM PUMP GAST Model 3031 V104 G570X K037MYRP380
$449.99
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MDC High Vacuum Research Chamber Bellows 275 Conflat Flange Varian Pfeiffer
$125.00
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Vacuum Research Chamber Manual Gate Valve SS Innotect Group SVB 62M 6 High
$473.68
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High Vacuum Apparatus HVA 163 0073 2 Valve
$69.99
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sbphoto50 Apiezon N Cryogenic High Vacuum Grease
$85.00
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Stokes 306 41 High Vacuum Blower Pump with Stand 15 GPM 3450 RPM
$3,495.00
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Leybold Heraeus Trivac Dual Rotary Vane High Vacuum Pump Model D30AC Tested
$585.00
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Varian VHS 4 High Speed Diffusion Pump Model 0183 208V 1450W 300cc Fluid
$249.99
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Leybold Heraeus RGD 210 KF25 1OD Pneumatic High Vacuum Valve Cylinder Assembly
$183.99
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NEW 275 CF Conflat Flange High Vacuum Research Chamber Feedthrough
$49.99
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HVA 6ID 11OD Flange Stainless Steel Gate Valve Housing High Vacuum Apparatus
$116.99
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Varian High Vacuum Bakeout Control
$350.00
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Leybold Trivac D25E Dual Stage Rotary Vane High Vacuum Pump E7B4B3 7 224
$399.99
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SMC XLA 100DL X68 High Vacuum Valve
$1,200.00
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SMC XYA 40 X1251 High Vacuum Valve
$499.00
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HIGH VACUUM ISOLATION CHAMBER VALVE w KURODA SS 242H SOLENOID VALVE
$350.00
quality
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Leybold Trivac D25E Dual Stage Rotary Vane High Vacuum Pump 1400 1600RPM
$374.99
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MDC GV 2500 25CF ConFlat Flange Ultra High Vacuum UHV Pneumatic Gate Valve
$199.99
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Leybold Trivac D25ET1 21111147 Dual Stage Rotary Vane High Vacuum Pump D25E
$349.99
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High Efficiency Rotary Vane Vacuum Pump 1 3HP D1 VP235 New 2 Stage
$169.00
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NEW SMC ZSE30 T1 65 L HIGH PRESSURE VACUUM SWITCH S13 1 155B
$64.99
quality
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Edwards E2M 1 Portable Dual Stage Rotary Vane High Vacuum Pump 2680 3200RPM 1PH
$183.99
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Leybold Trivac D10E Dual Stage Oil Sealed Rotary Vane High Vacuum Pump 3
$399.99
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High Vacuum Research Chamber 8ASA Flange Varian Pfeiffer MDC 135OD
$450.00
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Leybold Trivac D10E Dual Stage Oil Sealed Rotary Vane High Vacuum Pump 2
$399.99
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Edwards High Vacuum UHV Thermocouple 30ft Cable D36832010 Conflat MDC MKS New
$89.00
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1 4HP VACUUM PUMP FREE VACUUM OIL AC AIR TOOL RESERVIOR HIGH COOLING FAN GREAT
$67.99
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1 4HP VACUUM PUMP OIL SLIGHT GLASS SUCTION PICKUP PUMP SINGLE STAGE HIGH GRADE
$67.99
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1 4HP VACUUM PUMP AC AIR TOOL RESERVIOR HIGH COOLING FAN SINGLE STAGE FANTASTIC
$67.99
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1 4HP VACUUM PUMP SUCTION PICKUP PUMP AIR CONDITIONING HIGH COOLING FAN POPULAR
$67.99
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1 4HP VACUUM PUMP DIRECT DRIVE MOTOR AC AIR TOOL RESERVIOR HIGH COOLING FAN
$67.99
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1 4HP VACUUM PUMP PRINTING MACHINERY OIL SLIGHT GLASS HIGH COOLING FAN EXCELLENT
$67.99
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1 4HP VACUUM PUMP OIL SLIGHT GLASS AIR CONDITIONING HIGH COOLING FAN POPULAR
$67.99
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1 4HP VACUUM PUMP FREE VACUUM OIL HIGH COOLING FAN SINGLE STAGE HIGH EFFICIENCY
$67.99
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1 4HP VACUUM PUMP AC AIR TOOL RESERVIOR HIGH COOLING FAN HEAVY DUTY ALUMINUM
$67.99
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1 4HP VACUUM PUMP 3CFM 025HP ROTARY SUCTION PICKUP PUMP HIGH COOLING FAN GREAT
$67.99
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1 4HP VACUUM PUMP FREE VACUUM OIL SUCTION PICKUP PUMP HIGH COOLING FAN WHOLESALE
$67.99
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1 4HP VACUUM PUMP SUCTION PICKUP PUMP AC AIR TOOL RESERVIOR HIGH COOLING FAN
$67.99
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1 4HP VACUUM PUMP 3CFM 025HP ROTARY HIGH COOLING FAN SINGLE STAGE HIGH LEVEL
$67.99
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1 4HP VACUUM PUMP PRINTING MACHINERY DIRECT DRIVE MOTOR HIGH COOLING FAN GREAT
$67.99
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1 4HP VACUUM PUMP PRINTING MACHINERY FREE VACUUM OIL HIGH COOLING FAN WH
$67.99
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1 4HP VACUUM PUMP FREE VACUUM OIL HIGH COOLING FAN HEAVY DUTY ALUMINUM WELL MADE
$67.99
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1 4HP VACUUM PUMP FREE VACUUM OIL DIRECT DRIVE MOTOR HIGH COOLING FAN EXCELLENT
$67.99
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1 4HP VACUUM PUMP VANE DEEP HVAC FREE VACUUM OIL HIGH COOLING FAN REMARKABLE
$67.99
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1 4HP VACUUM PUMP VANE DEEP HVAC AIR CONDITIONING HIGH COOLING FAN PROFESSIONAL
$67.99
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1 4HP VACUUM PUMP OIL SLIGHT GLASS AIR CONDITIONING SINGLE STAGE HIGH EFFICIENCY
$67.99
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1 4HP VACUUM PUMP SUCTION PICKUP PUMP HIGH COOLING FAN HEAVY DUTY ALUMINUM
$67.99
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1 4HP VACUUM PUMP 3CFM 025HP ROTARY VANE DEEP HVAC HIGH COOLING FAN WHOLESALE
$67.99
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Edwards High Vacuum E04 diffusion pump NEW old stock 880W 175 cc 115V Perfect
$275.00
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MKS INSTRUMENTS 1 TORR BARATRON HIGH VACUUM SWITCH
$399.00
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Hobman Laboratories High Vacuum CF Manual Gate Valve
$249.00
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VAT 26524 KA11 0001 0447 Right Angle Pneumatic High Vacuum Valve
$139.99
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FABRI Valve High Vacuum Research Chamber 8 ASA Pneumatic Gate Valve Varian MDC
$895.00
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Key SL 150 High Vacuum Valve
$100.00
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4 Way High Vacuum Hose Fitting
$49.00
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Lot of 3 Varian Model 951 5027 Bakeable High Vacuum Valves + Over 25 New Parts
$499.00
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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
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EDWARDS ED660 SPEEDIVAC BELT DRIVE ROTARY HIGH VACUUM PUMP 40CMH BALDOR M3554
$850.00
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HVA HIGH VACUUM APPARATUS 11211 0403R PNEUMATIC GATE VALVE 4 ID STAINLESS STEEL
$250.00
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PFEIFFER BALZERS TPH 060 TURBO MOLECULAR HIGH VACUUM PUMP
$850.00
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High Vacuum Research Chamber 2ASA Bellows Flange Varian Pfeiffer MDC
$225.00
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High Vacuum Research Chamber 5 1 2 Blank MDC Varian Huntington
$65.00
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SS 50mm Aperture High Vacuum Flexible Bellows Fitting
$31.95
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Kinney High Vacuum Pump Model KC5
$550.00
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Kinney High Vacuum Pump KC 8
$650.00
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NEW In Box Edwards EXT 75DX Turbo Molecular High Vacuum Pump DN40 Inlet Flange
$2,499.99
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New SLOAN V 651 A Vacuum Breaker Repair Kit High Back Pressure
$7.50
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High Vacuum Research Chamber Small Cryo Trap Civ Unit Nor Cal Varian MDC
$95.00
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Leybold Trivac D10E Dual Stage Oil Sealed Rotary Vane High Vacuum Pump 1
$399.99
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Leybold Heraeus Turbovac 50 DN63CF 55l s Turbo Molecular High Vacuum Pump 85402
$799.99
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VARIAN FC12 ULTRA HIGH VACUUM SYSTEM CHAMBER
$4,600.00
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Edwards 2 Two Stage High Pump Vacuum Model E2M2 GE 5KC37NN470X
$350.00
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High Vacuum Research Chamber 3 ASA Elbow Zeyon Tricon
$250.00
quality
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Robinair 13203 Premium High Vacuum Pump Oil 1 Quart NEW
$22.55
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High Vacuum Research Chamber 3ASA Flange Elbow Tricon Zeyon KF16 Port
$228.00
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Alcatel ATH 30 C Turbomolecular Turbo Drag High Vacuum Turbo Pump 31 l s
$399.99
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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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