High Vacuum

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Leybold Turbo Vac TMP 150 Turbo Molecular High Vacuum Pump 150 l s
$2,600.00
quality
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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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Leybold Trivac D25ET1 21111147 Dual Stage Rotary Vane High Vacuum Pump D25E
$349.99
quality
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NEW SMC ZSE30 T1 65 L HIGH PRESSURE VACUUM SWITCH S13 1 155B
$64.99
quality
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Pfeiffer UNO 030 B High Capacity 1HP Rotary Vane Rough Vacuum 30 m3 h Pump
$600.00
quality
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Edwards High Vacuum UHV Thermocouple 30ft Cable D36832010 Conflat MDC MKS New
$89.00
quality
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Edwards E2M 1 Portable Dual Stage Rotary Vane High Vacuum Pump 2680 3200RPM 1PH
$156.99
quality
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MDC GV 2500 25CF ConFlat Flange Ultra High Vacuum UHV Pneumatic Gate Valve
$169.99
quality
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32 NRC HS32 32 equivalent to Varian HS 32 High Vacuum Diffusion Pump
$2,000.00
quality
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WORKSHOP Wet Dry Vacs 12 Gal 50 Peak HP High Power Gen Purpose Shop Vacuum Vac
$89.99
quality
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9 High Vacuum Aluminum Flange w Electrical Connection
$67.15
quality
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Kinney Kc 15 High Vacuum Pump W Magnetek 1 1 2 Hp Motor
$700.00
quality
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MKS Stainless Steel High Vacuum Flange Fitting Valve Hard to Find Bargain
$275.00
quality
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9 Piece Lot of KF40 High Vacuum Fittings
$211.65
quality
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5 Piece Lot of KF25 High Vacuum Fittings
$143.65
quality
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SMC XLA 50A X500 ID80 002745 High Vacuum Pump Valve
$45.00
quality
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VC134 blue Vinyl Bellows Vacuum Cup 1 3 8 Dia 2 High
$6.90
quality
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MDC 10 ASA Gate Valve Model G1200V ASA P High Vacuum Research Chamber Varian
$1,695.00
quality
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SS 50mm Aperture High Vacuum Flexible Bellows Fitting
$25.85
quality
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BOC EDWARDS 2 E2M2 ROTARY VANE DUAL STAGE MECHANICAL HIGH VACUUM PUMP
$799.99
quality
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VC157 Carton Feeder Vacuum Cups 1 2 Dia 1 2 high 4 PC LOT
$7.99
quality
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HUNTINGTON STAINLESS STEEL ULTRA HIGH VACUUM RIGHT ANGLE VALVE MV 400
$80.00
quality
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MKS 154 0100P High Vacuum Valve STAINLESS STEEL PNEUMATIC
$1,500.00
quality
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SMC XLDQ 40 High Vacuum Valve
$299.00
quality
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MDC 8 Ultra High Vacuum UHV Glass Viewport Conflat Flange
$475.00
quality
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HVA HIGH VACUUM APPARATUS 11241 0403R PNEUMATIC GATE VALVE 4 ID STAINLESS STEEL
$599.99
quality
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10 CFM High Capacity Oil Mist Eliminator
$160.00
quality
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EMS HL03000 001 Assy 48V Vacuum Elevator High Load Wafer Elevator 03000 001 HL
$3,000.00
quality
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Marvac Scientific Direct Drive High Vacuum Pump
$80.00
quality
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Genesis ICP 200 623 4202 Quick Regen Ultra High Fixed Sputter Cryopump CF Flange
$1,199.99
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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Helix CTI Cryogenics Cryo Torr 7 High Vacuum Pump 1000L s Cryopump 6 NO GAUGE
$399.99
quality
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NEW HVA 122 0060 16mm Pneumatic Gate Valve Stainless Steel High Vacuum Apparatus
$122.99
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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HVA 6ID 11OD Flange Stainless Steel Gate Valve Housing High Vacuum Apparatus
$98.99
quality
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Two Stage Vacuum Pump Plumbing AC HVAC Service High Rotary Robinair 5CFM
$259.97
quality
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Thermionic High Vacuum Research Chamber Roughing Pump Fourline Trap Varian
$115.00
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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High Vacuum Research Chamber 90 Degree Elbow 275 Flange Rotate Able MDC Varian
$125.00
quality
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High Vacuum Research Chamber Reducer KF25 KF16 Clamp Varian MDC
$55.00
quality
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High Vacuum Research Chamber 45 Degree KF25 Elbow + Clamp Varian MDC
$115.00
quality
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High Vacuum Research Chamber KF40 KF25 Reducer Clamp Varian MDC
$125.00
quality
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Vacuum Pump Oil 1 Gal High Grade Lubricant Vacoil Farm Machine Ranch Industrial
$43.96
quality
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High Pressure High Heat Hose Assembly Carpet Cleaning Extractors Vacuum Solution
$139.00
quality
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High Vacuum Research Chamber 45 Del Seal Blank Flange Nor Cal Varian MDC
$115.00
quality
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MDC High Vacuum Research Chamber 45 Blank Flange Threaded Varian Huntington
$95.00
quality
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VAT CF Conflat High Vacuum Pneumatic Gate Valve 9 OD 6 ID 14044 CE14 0004
$849.15
quality
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New KEY High Vacuum Products 3 4 Brass Inline Valve Poppet Disc BLP 75
$170.00
quality
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TEMESCAL HIGH VACUUM GATE VALVE 8 INCH ASA NEW UNUSED
$1,150.00
quality
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High Vacuum Baffle for ISO F 100 DN100 VAT gate valve pneumatic actuation used
$120.00
quality
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45 Long High Vacuum SS KF40 Bellows Flex Pipe Hose
$41.65
quality
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High Vacuum Pump Extended life Oil Free
$1,200.00
quality
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Key Brass High Vacuum Valve BL 162 O NOS
$145.00
quality
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Edwards EXT 76DX Turbo Molecular High Vacuum Pump B722 43 000 New
$3,209.13
quality
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Key Brass High Vacuum Valve BAP 100 33700 NOS
$75.00
quality
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NEW MDC 350006 AVG IVG 200 ANGLE INLINE VALVE KIT 2 VITON HIGH VACUUM
$18.99
quality
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MDC High Vacuum Research Chamber 4 1 2 Blank Flange Threaded Varian Nor Cal
$85.00
quality
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K201 Welch Duo Seal Vacuum Pump 1397 Two Stage High
$1,000.00
quality
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New 2 Stage High Efficiency Rotary Vane Vacuum Pump 1 3HP Air HVAC AC
$129.00
quality
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High Vacuum Research Chamber 4ASA Reducer Flange Varian Pfeiffer MDC
$155.00
quality
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High Vacuum Research Chamber 6ASA Worcester Shut Off Valves MDC Varian
$225.00
quality
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SMC XLA 16 HIGH VACUUM ANGLE VALVE LF 16 NW16 FLANGE SIZE
$239.99
quality
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HIGH VACUUM PIPE CHAMBER ELBOW VALVE 17 2 1 2 2 inch over
$120.00
quality
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Leybold Heraeus RGD 210 KF25 1OD Pneumatic High Vacuum Valve Cylinder Assembly
$156.99
quality
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Pfeiffer High Vacuum Turbo Pump
$2,900.00
quality
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Alcatel Annecy MDP 5010 75l s Turbo Molecular Drag Pump High Vacuum 27000RPM
$799.99
quality
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Edwards E2M 1 Dual Stage 2680 3200RPM 1PH Rotary Vane High Vacuum Pump PARTS
$69.99
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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Robinair High Vacuum Pump 45 CFM
$150.00
quality
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Leybold Trivac D10E Dual Stage Oil Sealed Rotary Vane High Vacuum Pump 1
$399.99
quality
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Leybold Heraeus Turbovac 50 DN63CF 55l s Turbo Molecular High Vacuum Pump 85402
$699.99
quality
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2 Sanwa Denki Electric High Vacuum Pressure Switch SVS 5K Hitachi SEM
$69.99
quality
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NEW Robinair 13204 Premium High Vacuum Pump Oil 4 one gallon jugs
$102.92
quality
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2 Stage High Performance Rotary Vane Deep Vacuum Pump 5CFM HVAC Tool 2993Hg Nu
$189.97
quality
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LEYBOLD HIGH VACUUM SOLENOID VALVE KAT NR 28100 HOERBIGER PA 10310
$289.99
quality
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Key High Vacuum Products Inc SL 150 Valve
$104.99
quality
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Genesis Vacuum Technologies ICP 200LQ CF CE High Vacuum Cryopump Used Working
$4,509.14
quality
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NEW VAT 26524 KA11 0001 0448 Inline Pneumatic High Vacuum Valve
$40.00
quality
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Genesis Vacuum Technologies ICP 200LQ CF C High Vacuum Cryopump Used Working
$4,509.14
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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Torr LNB62 LNB 62 CryoTrap High Vacuum Liquid Nitrogen Cold Trap
$659.00
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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LEYBOLD HIGH VACUUM GMBH D 50968 KOLN TYPE EV 063 P AL
$333.99
quality
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SMC High Vacuum Valve XLA XLAQ 40 X798 3D80 001039 11
$45.00
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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