High Vacuum

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High Vacuum Research Chamber 4 1 2 Blank Flange Excellent MDC Varian
$85.00
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Varian High Vacuum Research Chamber 4 1 2 Flange Reducer MDC Huntington
$155.00
quality
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Drum Super Lube Silicone High Dielectric Vacuum Grease 400 Lb
$6,134.68
quality
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Tube Super Lube Silicone High Dielectric Vacuum Grease 3 Oz
$160.68
quality
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Cartridge Super Lube Silicone High Dielectric Vacuum Grease 141 Oz
$241.08
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Canister Super Lube Silicone High Dielectric Vacuum Grease 141 Oz
$256.44
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Pail Super Lube Silicone High Dielectric Vacuum Grease 5 Lb
$362.36
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Pail Super Lube Silicone High Dielectric Vacuum Grease 30 Lb
$462.38
quality
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VAT PNEUMATIC Gate Valve F 60021 48 4 ASA High Vacuum valve
$288.75
quality
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SMC Pneumatics XLD 25 Single Acting 2 Stage High Vacuum Air Valve
$114.99
quality
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VAT CF Conflat High Vacuum Pneumatic Gate Valve 9 OD 6 ID 14044 CE14 0004
$588.75
quality
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VAT 6 ASA Pneumatic High Vacuum Gate Valve F64 113333 1
$588.75
quality
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MDC High Vacuum Reserch Chamber 5 WayCross 10 Sphere Flange Varian Huntington
$2,195.00
quality
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SMC XLF 50G A90LA XA HIGH VACUUM VALVE
$129.97
quality
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Balzers Pfeiffer Turbomolecular TMU 065 Turbo Drag High Vacuum Pump
$669.22
quality
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High vacuum ball valve Jamesbury 1 275 wog CSTL 1AHVC
$99.00
quality
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SMC XLF 50G A90LA XA HIGH VACUUM VALVE
$194.97
quality
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MDC VARIAN 10 CONFLAT HIGH VACUUM ISO 15 BELLOWS
$250.00
quality
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High Vacuum Aluminum 275 Blank Flange 2 Bolt
$10.99
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MDC VARIAN 10 CONFLAT HIGH VACUUM ISO 12 BELLOWS
$250.00
quality
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MDC 10 CONFLAT BELLOWS 10 ISO HIGH VACUUM CHAMBER
$250.00
quality
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2 OD High Vacuum Stainless Steel Threaded Flange 3 Bolt
$14.99
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Pumps Robinair 13203 Premium High Vacuum Pump Oil 1 Quart
$16.74
quality
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MDC High Vacuum Reserch Chamber 10 Blank Flange + Two 1 Ports A
$385.00
quality
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3 new Banner SE61EMHS photoelectric high speed emitter 25971
$75.00
quality
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New High Vacuum Valve 2 XLF 50G
$85.05
quality
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3 Boc Edwards C10011151 ISO 160 250 Half Claw High Vacuum Clamp
$24.30
quality
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Boc Edwards C10516494 NW 40 Trapped Ring PTFE Viton High Vacuum Fitting
$43.20
quality
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Grandville Philips ULTRA High Vacuum Research Chamber 275CFF Shut Off Valve
$195.00
quality
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Precise Sensors 3223 30 01 G 4SF P1 Q2833 Ultra High Purity Transducer New
$256.16
quality
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SMC High pressure Vacuum Solenoid valve w switch and 3 pin connectors
$60.00
quality
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Nupro Huntington High Vacuum Gas Valve Manifold Pneumatic NIce
$149.00
quality
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Varian FS Eight 8 Flat Cryopump High Vacuum
$458.32
quality
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MDC Del Seal CF Conflat Metal Seal Flange Pair High Vacuum Tooling 447
$1,250.00
quality
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Alcatel Annecy 5010 Turbo Drag High Vacuum Pump 75 l s Pumping Speed
$149.95
quality
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Edwards C5469 High Vacuum Tube Adapter ISO100 to ISO160 NW25 Used Working
$356.16
quality
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Butterfly Gate Valve High Vacuum 4 ID Motor Driven
$80.00
quality
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Flex Flange 4 ID with Flange Bolts High Vacuum Stainless Steel
$80.00
quality
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Swagelok 316 0YB 95mm 2250PSIG 155Bar High Pressure Hose 100R7 6 46
$49.99
quality
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2x Swagelok 316 0YB 95mm 2250PSIG 155Bar High Pressure Hoses 100R7 6
$99.99
quality
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Helix CTI Cryogenics Cryo Torr 7 High Vacuum Pump Cryopump Untested
$224.95
quality
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SMC XLAV 40G F9 5LOZ HIGH VACUUM ANGLE VALVE 04 07MPA 021SEC 40MM FLANGE
$95.00
quality
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High Vacuum Research ISO K Mitered 90 Degree Elbow ISO K 100NW
$225.00
quality
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Key High Vacuum DAP 50 P 0 Bellows Sealed Brass Valve w Wixom 45A AA1 DAAJ 1KA
$129.99
quality
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Air Conditioning Line Repair Tools Robinair 132030 Premium High Vacuum Pump Oil
$16.63
quality
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High Vacuum 3000RPM Research Chamber 3Phase PNC Motor with Stainless Spinner
$245.00
quality
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11 Boc Edwards C10007090 ISO 63 250 Double Claw Clamp High Vacuum Fitting
$72.00
quality
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Key High Vacuum Products E7 Clippard H07 40 2 1 2 Key PNEUMATIC
$45.99
quality
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Bell Gossett SYC 21 1 1 4 HP 115V 47 Amp High Volume Dry Vacuum Pump
$120.89
quality
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High Vacuum Manifold
$75.00
quality
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Varian 525 Cold Cathode High Vacuum Gauge Used
$60.00
quality
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High Pressure Ball Valve Kit NW 40 304SS Vacuum Fittings ISO KF 40 Viton Gasket
$249.99
quality
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High Vacuum NW KF25 Bored Stainless Steel Flange Blank Off
$9.99
quality
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NEW SMC XLC 25H0 HIGH VACUUM VALVE HIGH TEMPERATURE TYP
$191.99
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Alcatel Drytel 100 Turbo Drag Dry High Vacuum Pump
$3,995.00
quality
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KEY HIGH VACUUM PRODUCTS INC MODEL BAP 150 P
$300.00
quality
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SMC Pneumatics XLD 40 High Vacuum Valve Pump Replacement Parts Sealed
$49.99
quality
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Leybold 88275 Ultra High Vacuum Clamping Collar Aluminum
$10.00
quality
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Key High Vacuum Brass Valve BL 112 + Whitey SS 43S4 Ball Valve
$136.50
quality
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Kurt J Lesker Co High Vacuum Valve SA0200PVQF
$200.00
quality
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WORKSHOP Wet Dry Vac WS1400CA High Power Wet Dry Vacuum Cleaner 14 Gallon Shop
$195.74
quality
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Twelve 12 MPF High Voltage Welded Feed Thru P N A0284 1 W
$325.00
quality
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Lot of 2 AN AV150 QF E AS Pneumatic Right Angle High Vacuum Bellows Valve
$199.99
quality
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Alcatel Adixen 5150 CP Turbomolecular Turbo Molecular High Vacuum Pump 5150CP
$1,599.00
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Lot of 2 AN AIV150 QF E AS Pneumatic Inline High Vacuum Valve
$199.99
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High Vacuum Aparatus 22211 0209R Valve Gate
$262.44
quality
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KINNEY HIGH VACUUM PUMP MODEL KC8 RC USED ELECTRIC MOUNTED ON APPLIANCE DOLLY
$90.00
quality
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NEW APIEZON L GREASE ULTRA HIGH VACUUM HYDROCARBON GREASE 25G TUBE
$89.99
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Savant Model VP100 High Vacuum 2 stage Vacuum pump 115 230 volt 1 2 HP
$650.00
quality
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Pfeiffer Model UNO 030 B High Vacuum Pump 208 230 volt 1 HP
$1,000.00
quality
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MKS High Vacuum Manual Valve 151 0063C
$235.00
quality
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Pfeiffer Balzers TMU 065 Turbo Drag High Vacuum Pump
$2,250.00
quality
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ADIXEN AMD1 DIAPHRAGM HIGH VACUUM PUMP ROUGHING
$850.00
quality
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Nor Cal High Vacuum Pump + Free Priority Shipping
$65.00
quality
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Airco 2 FIG 5110 V Manual High Vacuum Aluminum Gate Valve ANSI 2 Pipe Flange
$289.71
quality
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PVM3 BENDIX SCIENTIFIC INSTRUMENTS HIGH VACUUM PUMP HOUSING SALE 199
$179.10
quality
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ISO LF 80 ST ST 6 Flexible Bellows High Vacuum Hose 2 3 4 ID
$127.80
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ISO LF 63 Stainless Steel Flexible Bellows High Vacuum Hose 2 3 4 ID
$117.00
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VAT DN40 KF40 High Vacuum Pneumatic Bellows Actuator 110V Solenoid Controlled
$99.99
quality
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High Vacuum Research Chamber 6 Flange with Swagelok Shut Off SS 43G TW
$125.00
quality
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HVAC Robinair high performance vacuum pump model 15800 8 CFM 1 HP
$110.00
quality
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MDC Vacuum Products High Vacuum Chamber 10 Outside Flange OD SHIPS TODAY
$150.86
quality
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Varian High Vacuum Chamber 8 Outside Flange SHIPS TODAY
$150.86
quality
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MKS Digital Readout Power Supply Model PDR C 1C Baratron High Vacuum
$525.00
quality
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VARIAN MDC STAINLESS STEEL HIGH VACUUM CHAMBER
$16,500.00
quality
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RIDGID HIGH PERFORMANCE WET DRY SHOP VACUUM WITH ACCESSORIES WD1450 14 GALLON
$95.99
quality
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New Rigaku SLY 004002442RU13037 High Speed Solid Shaft Rotary Vacuum Feedthrough
$249.98
quality
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M2 SQ1 Stainless Steel High Vacuum Bellows Flexible Flange
$296.00
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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