High Vacuum

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MFG Unknown ST ST ISO LF100 Flexible Bellows High Vacuum Pump Fitting OAL 5
$264.00
quality
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ISO NW40 ST ST 90 Degree Elbow High Vacuum Pump Fitting 3L x 1 3 8ID
$66.00
quality
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MDC High Vacuum 4 Bolt Flange 5 OD 3 1 4 ID
$20.00
quality
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MDC High Vacuum Flange 4 OD 1 3 4 ID
$20.00
quality
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4CFM 1 3HP Rotary Vane Deep 1 Stage Vacuum Pump110V High Efficiency Us Local
$66.99
quality
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High Vacuum Research Chamber Straight ISO NW 63 Flange 3 LF63 Nipple Maybe MKS
$15.00
quality
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High Vacuum Research Chamber Straight ISO NW 63 Flange 4 LF63 Nipple Maybe MKS
$25.00
quality
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Varian CryoStack 8 8 High Vacuum Cryo Pump
$259.99
quality
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AIRCO TEMESCAL MODEL 1230 HIGH VACUUM VALVE 1 2 PORTS
$264.99
quality
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Vacuum Infusion Epoxy Resin Low Vis Thin High Gloss High Strength 24oz Kit
$34.99
quality
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VARIAN HIGH VACUUM TUBE 21 TALL 10 3 8 FLANGE
$150.00
quality
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Temescal 5130 2 High Vacuum Gate Valve MIS2288
$325.00
quality
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DuPont Krytox AT High Vacuum Grease Lubricant 2oz 57g Tube NEW
$55.00
quality
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high vacuum 2 WAY coupling stainless steel 1 1 4 fitting sanitary
$19.69
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 Research Chamber 8 Blank Conflat Flange
$125.00
quality
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MDC High Vacuum Research Chamber 45 Del Seal BlankFlange Huntington Varian A
$110.00
quality
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MDC High Vacuum Research Chamber 45 Blank Conflat Flange Varian Huntington
$85.00
quality
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A124260 Edwards E2M8 High Vacuum Pump 2 Stage
$200.00
quality
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Savant VP100 2 Stage High Vacuum Pump Model VP100
$560.00
quality
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MDC High vacuum Research Chamber 3 Way 6 Flange
$545.00
quality
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NEW EDWARDS B271 58 064 VITON COSEAL FOR ISO63 NW 63 PUMP FITTING HIGH VACUUM
$24.99
quality
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Kinney KD 780 High Vacuum Pump D 54 409 Oil Sealed Single Stage Rotary Piston
$3,975.00
quality
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High Vacuum Flexible Coupler Bellows Pipeline 5 Long ISO 275 Aperture
$45.89
quality
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STAINLESS STEEL CENTERING RING O RING AL SPACER ISO 160 NW 160 HIGH VACUUM
$89.99
quality
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MKS KF25 Flange Stainless High Vacuum Flexible Bellows Tubing 78 Long
$149.99
quality
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HPS MKS Cold Cathode Vacuum Sensor 421 High Vacuum 3301
$375.00
quality
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SMC XLAV 16G F9 5LOZ HIGH VACUUM ANGLE SOLENOID VALVE
$280.00
quality
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2 BOC Edwards High Vacuum Interface D37215000 Flash Module UNTESTED
$39.99
quality
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Atrix HCTV HEPA Vacuum Filter big 7 gallon high capacity part 421 000 007
$79.00
quality
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MKS Cold Cathode Vacuum Sensor 421 High Vacuum 3304
$375.00
quality
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GNB Corporation G5SOPX High Vacuum Gate Valve 5ID X 9OD Used
$715.00
quality
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NOR CAL STYLE 2 UHV VACUUM GATE VALVE HIGH RING DIAMETER
$235.00
quality
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Swagelok SS HBV51 C Stainless Steel High Pressure Bellows Sealed Valve
$195.00
quality
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ISO KF50 to ASA 15 Inch ST ST Adapter High Vacuum Fitting 3D CAD Model 2 3 8L
$66.00
quality
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Edwards Q80622 QDP80 QMB250 3 Phase High Vacuum Pump Controller200 208 V
$484.00
quality
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Edwards iQDP80 QDP80 High Vacuum ISO Flange 100 400N KF25 Varian
$225.00
quality
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High Vacuum Research Chamber ISO NW100 Adaptor to KF50 Varian MDC HPS
$150.00
quality
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Robinair 15101 B 5 cfm Oil Filled High Vacuum Refrigerant Pump Foam Grip
$5.99
quality
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UP TO 12 SMC HIGH PRECISION DIGITAL VACUUM SWITCH ZSE30 T1 65
$49.00
quality
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High Vacuum Junction 4625 OD x 4 1 9 32 Ports
$165.00
quality
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Tuthill Vacuum Systems Kinney High Vacuum Pump 1 2HP 115 208 230V 1725Rpm TB 3 2
$595.00
quality
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Tuthill Vacuum Systems Kinney High Vacuum Pump 3936 0309 KC8
$595.00
quality
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Tuthill Vacuum Systems Kinney High Vacuum Pump 14478 0702 KC 5 8
$595.00
quality
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Tuthill Vacuum Systems Kinney High Vacuum Pump KC 5 8 14481 0702
$595.00
quality
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Kinney Vacuum High Vacuum Pump KC 8 85 1214 L5203 10
$595.00
quality
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LOT 9 NEW IN BOX SLOAN HIGH BACK PRESSURE VACUUM BREAKER REPAIR KITS V 651 A
$44.95
quality
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2960 Stainless Steel High Vacuum Bellow
$80.00
quality
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10 ASA High Vacuum Stainless Steel Flange
$199.99
quality
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Huntington Mech Labs High Vacuum Research Chamber 5 Way
$150.00
quality
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AN HIGH VACUUM 12 INCH CENTERING RINGS NIB P N 810015 USE WITH STOKES EDWARDS
$60.00
quality
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NEW KURT J LESKER MHT QF C06 FLEXIBLE BELLOW SST KF 40 NW40 HIGH VACUUM 6
$127.99
quality
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KEY HIGH VACUUM PRODUCTS INC MODEL BAP 150 P
$300.00
quality
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Edwards 3 RV3 High Vacuum Pump Complete Rebuild to OEM Specs
$1,025.00
quality
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Gast DOA P104 AA High Capacity Vacuum Pump Gauge Reg 11 cfm 255Hg 60psi 115
$175.00
quality
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6 Varian KQ 16 AWP Quick Clamp NW16 HV High Vacuum
$32.85
quality
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Leybold Heraeus TurboVac 50 High Vacuum Turbo Pump KF40 KF16 Varian
$545.00
quality
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Edwards ED660 High Vacuum Pump with Dayton 15hp 3PH motor
$450.00
quality
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PEABODY HOLMES 2000 VB HIGH VACUUM BOOSTER PUMP
$4,999.99
quality
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Stainless Steel 4 X 5 Flanged Flexible Bellows High Vacuum Hose
$189.05
quality
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EDWARDS ED660 SPEEDIVAC Belt Drive Rotary High Vacuum Pump Dayton Motor
$975.00
quality
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Cryopump 8107817G001 Hi Torr High Vacuum Pump Helix CTI Cryogenics 8F
$2,633.10
quality
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ROBINAIR VACUMASTER HIGH PERFORMANCE VACUUM PUMP HVAC 6 CFM 1 2HP NO RESERVE
$102.50
quality
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Bell Jar Vacuum Chamber 20 ID x 28 high
$950.00
quality
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MFG Unknown ST ST ISO KF40 to KF50 Straight Reducer High Vacuum Pump Fitting
$44.00
quality
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1 2 HP 5 CFM 2 Stage Vane High Efficiency Vacuum Refrigeration Pump
$199.99
quality
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MDC High Vacuum Research Chamber Reducer 8 CFF Flange Varian Huntington
$145.00
quality
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Beach Russ 855L 20hp high vacuum pump Type RP
$1,250.00
quality
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BUSCH RA0400 HIGH VACUUM PUMP 20 HP MOTOR
$2,750.00
quality
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Varian High Vacuum Research Chamber 275CF Conflat Flange NO Blank Cap MDC
$12.00
quality
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NEW Stainless Steel Flexible Bellows High Vacuum 9 Length MDC Mfg
$75.00
quality
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Jamesbury 4 Stainless Steel Ball Valve Normal use or High Vacuum w Actuator
$885.00
quality
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ANELVA ULTRA HIGH VACUUM 90 DEGREE L TYPE MANUAL VALVE 2 TUBE DIAMETER
$17.99
quality
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High Vacuum Copper Gaskets for 4 1 2 in CF Flange 3 1 4
$3.50
quality
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SPX Robinair 15600 CoolTech High Performance Vacuum Pump 10 day NR auction
$139.99
quality
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1 USED THERMAL ENGINEERING 1825Z 2 STAGE HIGH VACUUM PUMP MAKE OFFER
$199.99
quality
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VAT 14048 PE44 AAU1 High Vacuum Gate Valve MeiVac 2460 Used Working
$2,502.16
quality
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Vacuum Infusion Epoxy Resin Low Vis Very Thin High Gloss High Mod 1Gal Kit
$79.99
quality
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16 High Vacuum Straight Pipe Connecting Nipple
$63.75
quality
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Vacuum Infusion Epoxy Resin Low Vis Thin High Gloss High Strength 86oz Kit
$59.99
quality
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KEY HIGH VACUUM PRODUCTS SYSTEM
$169.99
quality
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Varian Turbo V300 Turbo Molecular High Vacuum Pump 969 9032 TMP
$1,074.99
quality
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Varian Turbo V450 TurboMolecular High Vacuum Pump 969 9042
$1,074.99
quality
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Edwards 3 RV3 High Vacuum Pump Needs Rebuild
$575.00
quality
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Welch 1400 DuoSeal Two Stage High Vacuum Pump Needs Rebuild
$375.00
quality
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NEW MDC BLANK HIGH VACUUM LF FLANGE 812008 S19 3 4E
$22.99
quality
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2 HIGH VACUUM PUMP RESEARCH CHAMBER VALVE
$80.00
quality
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High Vacuum Research Chamber 3 Blank Flange MD Varian Huntington Nor Cal
$35.00
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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