High Vacuum

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32 NRC HS32 32 equivalent to Varian HS 32 High Vacuum Diffusion Pump
$1,000.00
quality
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High Vacuum 4 ID 90 Degree Elbow Flanged Fitting
$74.97
quality
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High Vacuum 4 ID x 5 Flex Flexible Bellows Flanged Flange Fitting NOS
$149.97
quality
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9 High Vacuum Aluminum Flange w Electrical Connection
$79.00
quality
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Edwards PV25MK high pipeline vacuum valve 7bar right angle stainless NW25 clamp
$100.00
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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Edwards 40 E2M40 Two Stage Oil Sealed Rotary Vane High Vacuum Pump
$4,499.99
quality
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9 Piece Lot of KF40 High Vacuum Fittings
$249.00
quality
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5 Piece Lot of KF25 High Vacuum Fittings
$169.00
quality
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MDC High Vacuum KMST 150 2 Sieve Foreline Trap KF40
$149.00
quality
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SMC XLA 50A X500 ID80 002745 High Vacuum Pump Valve
$45.00
quality
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PFEIFFER BALZERS TPH 060 TURBO MOLECULAR HIGH VACUUM PUMP
$1,125.00
quality
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K293 Welch Duo Seal Vacuum Pump 1397 Two Stage High
$800.00
quality
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VC134 blue Vinyl Bellows Vacuum Cup 1 3 8 Dia 2 High
$6.90
quality
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Mastercool 15 CFM High Performance Vacuum Pump
$109.00
quality
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Mastercool 60 CFM High Performance Vacuum Pump
$145.00
quality
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Mastercool 30 CFM High Performance Vacuum Pump
$129.00
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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EMS HL03000 001 Assy 48V Vacuum Elevator High Load Wafer Elevator 03000 001 HL
$3,000.00
quality
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ISO KF40 ST ST 375 Bellows Flex Coupling High Vacuum Fitting 1 5 16 ID
$70.00
quality
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Leybold Trivac D10E Dual Stage Oil Sealed Rotary Vane High Vacuum Pump 3
$399.99
quality
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Leybold Heraeus RGD 210 KF25 1OD Pneumatic High Vacuum Valve Cylinder Assembly
$133.99
quality
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MKS HPS Custom 22 Stainless Steel 4 OD Lab High Flow Vacuum Tube +Flange Cover
$91.99
quality
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Varian VacIon 921 1111 High Voltage Ion Vacuum Pump Controller Unit PARTS
$68.99
quality
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Leybold Trivac D10E Dual Stage Oil Sealed Rotary Vane High Vacuum Pump 2
$399.99
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 D25ET1 21111147 Dual Stage Rotary Vane High Vacuum Pump D25E
$349.99
quality
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Robinair high performance Vacuum pump manual
$9.99
quality
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Leybold Trivac D25E Dual Stage Rotary Vane High Vacuum Pump 1400 1600RPM
$374.99
quality
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Varian DS 602 949 9335 1460 1740RPM 1 PH Dual Stage Rotary Vane High Vacuum Pump
$1,299.99
quality
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NEW 275 CF Conflat Flange High Vacuum Research Chamber Feedthrough Stainless
$49.99
quality
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Thermionic High Vacuum Research Chamber Roughing Pump Fourline Trap Varian
$115.00
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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Welch Duo Seal Two Stage High Vacuum Pump Model 1397 WORKING
$1,599.99
quality
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High Pressure High Heat Hose Assembly Carpet Cleaning Extractors Vacuum Solution
$139.00
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
$999.00
quality
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High Volume Vacuum Pump VACUHOIST Systems 5hp
$300.00
quality
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New KEY High Vacuum Products 3 4 Brass Inline Valve Poppet Disc BLP 75
$136.00
quality
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New Sealed HIS High Vacuum Tubing hose Flexible Bellows KF40
$75.00
quality
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Oerlikon Leybold AR 40 65 High Vacuum Pump Exhaust Filter KF40
$999.00
quality
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4 Piece Lot of KF40 High Vacuum 90 Degree Elbow Fittings
$99.00
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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Key High Vacuum Products Model BA 112 Valve
$72.00
quality
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2 Stage High Performance Rotary Vane Deep Vacuum Pump 12CFM 1HP HVAC Field Tool
$497.77
quality
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7 ASA High Vacuum Rotary Feedthrough Flange
$399.00
quality
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C113953 Edwards High Vacuum ITC20 Inlet Catchpot w NW25 Flanges Clamps
$300.00
quality
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KF50 NW50 High Vacuum ISO KF Flange Hinge Clamp for MDC NOR CAL HPS
$9.99
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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SNAP ON High Vacuum Pump 12 CFM ACT1520
$99.99
quality
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Eureka High Filtration Commercial Vacuum Cleaner Rug Sweeper C2094
$49.00
quality
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Bell Jar Vacuum Chamber 20 ID x 28 high
$1,000.00
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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Good Welch 1400 Duo Seal Belt Driven High Vacuum Pump Test Lab Laboratory 115v
$149.99
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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MDC High Vacuum Research Chamber 4 1 2 Blank Flange Threaded Varian Nor Cal
$85.00
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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diffusion pump veeco high vacuum equipment catalog 1959
$25.00
quality
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HIGH VACUUM PIPE CHAMBER ELBOW VALVE 17 2 1 2 2 inch over
$100.00
quality
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Zefon High Volume Rotary Vane Sampling Pump 16 amps ZHV00
$10.50
quality
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LOT HIGH VACUUM FITTING TUBE NIPPLE Chamber 3 KF50 FLANGE
$55.95
quality
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MDC High Vacuum ResearchChamber Conflat Flange Varian 12
$49.00
quality
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2 Stage High Performance Rotary Vane Deep Vacuum Pump 2CFM Check Valve HVAC Tool
$99.97
quality
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Helix CTI Cryogenics Cryo Torr 7 High Vacuum Pump 1000L s Cryopump 6 NO GAUGE
$299.99
quality
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NEW HVA 122 0060 16mm Pneumatic Gate Valve Stainless Steel High Vacuum Apparatus
$103.99
quality
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NEW SMC ZSE30 T1 65 L HIGH PRESSURE VACUUM SWITCH S13 1 155B
$29.99
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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Varian VacIon 921 0015 High Voltage Ion Vacuum Pump Control Unit Controller 1
$199.99
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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Leybold Heraeus Turbovac 50 DN63CF 55l s Turbo Molecular High Vacuum Pump 85402
$699.99
quality
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NEW 6 ISO 100 ISO100 HIGH VACUUM FLEXIBLE BELLOWS HOSE FITTING S19 3 2F
$249.99
quality
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NEW MDC BLANK HIGH VACUUM LF FLANGE 812008 S19 3 4E
$22.99
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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Edwards E2M8 8 Two Stage 1 2 HP 1725 RPM 1 PH Rotary Vane High Vacuum Pump PARTS
$299.99
quality
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Ritchie yellow jacket 3 CFM 2 stage High vacuum service pump 93100
$69.00
quality
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High Vacuum Research Chamber Reducer 8 Flange 6ASA Varian MDC UHV
$475.00
quality
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2000 Blue Cleaning Gloves used in hotel pool casino vacuum high quality XL XL XL
$96.50
quality
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1000 Blue Cleaning Gloves used in hotel pool casino vacuum high quality LARGE
$58.99
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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