High Vacuum

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NEW KURT J LESKER FEEDTHROUGH STAINLESS STEEL MINIATURE HIGH VOLTAGE NPT
$66.99
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Pfeiffer Balzers TPH 240 Turbo Molecular High Vacuum Pump
$1,977.99
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Pfeiffer Balzers TPH 240 Turbo Molecular High Vacuum Pump
$1,977.99
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Edwards High Vacuum Pump EDM20A Motor Franklin Electric 3 4 HP
$349.00
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Varian Turbo V200A Turbo Molecular High Vacuum Pump 969 9024
$1,284.99
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Key High Vacuum GV 6AP 4010780 Gate Valve MRC Eclipse Star Used Working
$1,810.15
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NEW MPF VACUUM A7737 1 HIGH POWER FEEDTHROUGH STAINLESS STEEL
$422.99
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Edwards Speedivac High Vacuum Pump ID200 ID 200 With 220v Motor
$400.00
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7 Ultra High Vacuum Butterfly Valve 12 OD Flange Manual Very Good Cond ++
$349.00
quality
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ISO LF ST ST Large Flange Size NW80 to NW100 Reducer High Vacuum Pump Fitting
$86.24
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MFG Unknown KF40EL90A ST ST ISO NW40 90 Degree Elbow High Vacuum Pump Fitting
$39.60
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GAST Oilless Vacuum Pump 1023 101Q SG608X High Low Voltage 1023101QSG608X
$399.00
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Ulvac Vulp 25 F 255004 CDQ2KB20 20 Ultra High Vacuum L Valves
$150.00
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SMC 3D80 002107 V1 High Vacuum Valve XLAQ 40 X925 Lot of 2 Used Working
$212.15
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Nor Cal 2FC ISO 400 5 ST ST High Vacuum Pump Flex Coupling ISO 100 OAL 500
$259.60
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Nor Cal High Vacuum Pump Fittings Accessories Kit
$110.00
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Nor Cal 2E ISO 100 OF ST ST 90 Degree Elbow High Vacuum Pump Fitting
$232.32
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New MKS High Vacuum Bellows Valve 99M0563
$99.99
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ISO NW40 to ASA 10 ST ST Adapter High Vacuum Pump Fitting w out O Ring Groove
$52.80
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Graseby GMW Vacuum for High Volume Air Sampler
$129.95
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Pfeiffer Turbo Molecular High Vacuum Pump TPU 100
$1,639.99
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TAT PUMPS 410 900 HIGH VAC ROTARY HAND PUMP 0 120 RPM NEW
$150.00
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High Vacuum Small Diffusion Pump Parts or Repair
$299.97
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CKD HVB41 Solenoid Valve for High Vacuum w Cable and Connector DC48V
$70.40
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Cryogenic Associates R 219 81 649 High Vacuum Container
$480.00
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Cryogenic Associates R 141212 75 High Vacuum Container
$480.00
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Super Lube Silicone High Dielectric Vacuum UV Grease 141 oz Canister Case of 12
$205.20
quality
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Super Lube Silicone High Dielectric Vacuum UV Grease 5 lb Pail Case of 4
$337.25
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Super Lube Silicone High Dielectric Vacuum UV Grease 141oz Cartridge Case of 12
$202.35
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Super Lube Silicone High Dielectric Vacuum UV Grease 30 lb Pail
$485.45
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NEW KEY HIGH VACUUM RIGHT ANGLE VALVE SA 150 K N SER 55 A 29 3598
$75.00
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Edwards High Vacuum Changeover Valve with Edwards Foreline Trap
$399.00
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High Vacuum Research Chamber ISO 25KF 4 Way Cross Varian MDC Pheiffer
$95.00
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Kinney KC 5C High Vacuum Pump w Gryphon 1 3HP AC Motor
$360.00
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ISO LF100 ST ST Full Nipple High Vacuum Fitting 3 3 4 ID x 3 5 8 L Modified
$74.80
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CVC 7 HIGH PRESSURE VACUUM DIFFUSION VACUUM PUMP
$2,000.00
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SMC XLD 40 M9 High Vacuum Angle Solenoid Valve
$125.00
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FIKE 316 SS High Vacuum ANSI Certified 13MHHM Clamp Flange 1 inch Rupture Disc
$149.00
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MARVAC SCIENTIFIC MFG AA1 9 HIGH VACUUM PUMP SYSTEM with top plate
$150.00
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Varian DS 602 949 9335 1460 1740RPM 1 PH Dual Stage Rotary Vane High Vacuum Pump
$899.99
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VAT 01032 KE41 KF 40 29 PSI Pneumatic Mini UHV Ultra High Vacuum Gate Valve
$499.99
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MDC KMST 150 2 High Vacuum 45 Molecular Sieve Foreline Trap KF40 431031 2
$49.99
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EDWARDS E2M2 ROTARY MECHANICAL HIGH VACUUM PUMP w Explosion Proof Motor 230 460v
$499.00
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DuPont Krytox AT High Vacuum Grease Lubricant 2oz 57g Tube NEW
$55.00
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3 NPT Female to ISO100 K High Vacuum Flange Fitting Adapter ISO K Clamp
$149.99
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SMC XYD 40 X1038 INLINE Dual High Vacuum Valve NEW
$229.00
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H127344 High Vacuum Apparatus HVA Pneumatic Gate Valve 11211 0400 Akashic
$200.00
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H127342 High Vacuum Apparatus HVA Pneumatic Gate Valve 122 0400 Varian
$200.00
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Robinair 15101 High Vacuum Pump 45 CFM
$120.00
quality
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MKS SERIES 150 PNEUMATIC HIGH VACUUM RIGHT ANGLE VALVE 152 0061K NEW
$124.98
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BOC Edwards 1 Two Stage High Vacuum Pump E2M 1
$825.00
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KINNEY HIGH VACUUM PUMP 820335 MODLTC 225B TOP PORT3 BOTTOM PORT4 USED
$1,350.00
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Atrix High Capacity Dust Vacuum
$469.00
quality
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REBUILT CTI CRYOGENICS CRYO TORR 8 HIGH VACCUM PUMP
$4,495.95
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Atrix High Capacity HEPA Abatement Vacuum
$439.00
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MDC Varian High Vacuum Reserch Chamber Flange Used
$199.99
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SMC XVD2 02V High Vacuum XVD Smooth Vent Valve 04 07MPa
$89.99
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Varian Model 951 5091 High Vacuum Valve Right Angle w275 Rotatable CF Flanges
$139.00
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MDC HIGH VACUUM COMPRESSION PORT FEEDTHROUGH STRAIGHT TUBE VACUUM FITTING
$35.00
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Edwards NRY1ND523 High Vacuum Adapter Tee ISO80 ISO K to ISO100 ISO K NW25 Used
$132.15
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Varian Mod L6591 301 High Vacuum Valve Right Angle w275 Rotatable CF Flanges
$149.00
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Pfeiffer Balzers TMH 200 MP Turbo Drag High Vacuum Pump
$1,294.99
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Pfeiffer Balzers TMH 200 MP Turbo Drag High Vacuum Pump
$1,294.99
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Pfeiffer Balzers TMH 200 MP Turbo Drag High Vacuum Pump
$1,294.99
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Edwards High Vacuum Tube Tee ISO100 ISO K to ISO100 ISO K NW25 Used Working
$132.15
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High Vacuum Flanges 20 assorted MDC Huntington AN Corp Nor Cal
$50.00
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Edwards C5167 High Vacuum Adaptor Tee ISO63 ISO K to NW50 NW25 Used Working
$132.15
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Edwards High Vacuum Tube Tee ISO100 ISO K to ISO63 ISO F NW25 Used Working
$132.15
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MDC VARIAN HIGH VACUUM APPARATUS
$499.99
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VAT 26524 KA21 Pneumatic High Vacuum Bellows Valve
$61.99
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SMC XLAV 16G F9 5LOZ HIGH VACUUM ANGLE SOLENOID VALVE
$399.60
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VAT 26524 KA22 BWT1 Pneumtatic High Vacuum Bellows Valve
$71.99
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Kinney High Vacuum Pump with 15 Hp Baldor motor Used 60 day warranty
$850.00
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High Vac Bellows Valve KF 16
$45.00
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Airco 2 FIG 5110 Manual High Vacuum Aluminum Gate Valve ANSI 2 Pipe Flange
$149.99
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Speedivac High Vacuum Magnetic 1 Valve Edwards Made In England
$388.00
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Cahn 113 Thermogravimetric High Vacuum Analysis
$1,200.00
quality
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NEW ROBINAIR HIGH VACUUM PUMP 15200 2 STAGE 115V 12CFM
$150.00
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Ulvac GST 03L Ulvion Ultra High Vacuum Sputter Ion Pump Controller Control 2
$54.99
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MDC VARIAN 10 HIGH VACUUM BELLOWS
$249.99
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MDC HIGH VACUUM 6 WAY VARIAN
$750.00
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Edwards High Vacuum Internartional A363 01 131 Clean Overhaul Kit E1 2M18 pump
$119.97
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ORYX INSTRUMENTS MATERIALS TURBO PUMP CONTROL HIGH VACUUM SYSTEM
$1,499.99
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AERZENER MASCHINENFABRIK GMA 138 HIGH VACUUM ROTARY PISTON BLOWER 6 PORTS
$1,499.99
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G119077 HVA High Vacuum Apparatus 122 0601 Air Operated Vacuum Gate Valve 6ID
$375.00
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Stainless 3 Way High Vacuum Valve with Bimba PT 027180 DM Rotary Air Actuator
$399.99
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MDC KTX 150 2 High Vacuum Research Chamber InLine KF40 Fourline Trap Edwards
$185.00
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MKS High Vacuum Research Chamber 90 Degree Right Angle Valve 275CFF MKS
$475.00
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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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