High Vacuum

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20 Long SS KF16 High Vacuum Bellows Flex Pipe Hose
$49.00
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PFEIFFER BALZERS TPH 060 TURBO MOLECULAR HIGH VACUUM PUMP
$1,225.00
quality
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Alcatel 2063 Rotary Vane High Vacuum Pump
$3,300.00
quality
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Welch Vacuum Pump 7 DirecTorr 8920A DIRECT DRIVE HIGH VACUUM LARGE
$350.00
quality
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MDC HIGH VACUUM COMPRESSION PORT FEEDTHROUGH STRAIGHT TUBE VACUUM FITTING
$35.00
quality
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Pfeiffer UNO 030 B High Capacity 1HP Rotary Vane Rough Vacuum 30 m3 h Pump
$240.00
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Varian MicroVac Ion Pump Controller with High Voltage Cable and Pump
$149.00
quality
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M BRAUN MB EPV 40 High Vacuum Electro Pneumatic Valve Used Must See
$199.99
quality
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MDC High Vacuum Research Chamber Bellows 275 Conflat Flange Varian Pfeiffer
$125.00
quality
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High Vacuum Apparatus HVA 163 0073 2 Valve
$69.99
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This is a High Vacuum Research Chamber 6 Way Cross MDC Varian
$80.00
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This is a High Vacuum Research Chamber 3 Way Cross MDC Varian
$50.00
quality
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LEYBOLD TURBOVAC 360 MOLECULAR HIGH VACUUM PUMP LEYBOLD HERAEUS LH
$895.00
quality
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Varian High Vacuum Bakeout Control
$350.00
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Leybold Trivac D25E Dual Stage Rotary Vane High Vacuum Pump E7B4B3 7 224
$399.99
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SMC XLA 100DL X68 High Vacuum Valve
$960.00
quality
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SMC XYA 40 X1251 High Vacuum Valve
$499.00
quality
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Leybold Trivac D25E Dual Stage Rotary Vane High Vacuum Pump 1400 1600RPM
$374.99
quality
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HIGH VACUUM ISOLATION CHAMBER VALVE w KURODA SS 242H SOLENOID VALVE
$350.00
quality
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2 Stage New High Efficiency Rotary Vane Vacuum Pump 4CFM 1 3HP HVAC AC Air VP235
$1,690.00
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 275 CF Conflat Flange High Vacuum Research Chamber Feedthrough Stainless
$49.99
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Varian VacIon 921 1111 High Voltage Ion Vacuum Pump Controller Unit PARTS
$74.99
quality
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High Vacuum Research Chamber 8ASA Flange Varian Pfeiffer MDC 135OD
$450.00
quality
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Pfeiffer Balzers TPH 270 Turbo Molecular High Vacuum Pump Includes Spare parts
$450.00
quality
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MKS HPS Custom 22 Stainless Steel 4 OD Lab High Flow Vacuum Tube +Flange Cover
$99.99
quality
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1 4HP VACUUM PUMP FREE VACUUM OIL AC AIR TOOL RESERVIOR HIGH COOLING FAN GREAT
$1,049.50
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1 4HP VACUUM PUMP OIL SLIGHT GLASS SUCTION PICKUP PUMP SINGLE STAGE HIGH GRADE
$1,049.50
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1 4HP VACUUM PUMP AC AIR TOOL RESERVIOR HIGH COOLING FAN SINGLE STAGE FANTASTIC
$1,049.50
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1 4HP VACUUM PUMP SUCTION PICKUP PUMP AIR CONDITIONING HIGH COOLING FAN POPULAR
$1,049.50
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1 4HP VACUUM PUMP DIRECT DRIVE MOTOR AC AIR TOOL RESERVIOR HIGH COOLING FAN
$1,049.50
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1 4HP VACUUM PUMP PRINTING MACHINERY OIL SLIGHT GLASS HIGH COOLING FAN EXCELLENT
$1,049.50
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1 4HP VACUUM PUMP OIL SLIGHT GLASS AIR CONDITIONING HIGH COOLING FAN POPULAR
$1,049.50
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1 4HP VACUUM PUMP FREE VACUUM OIL HIGH COOLING FAN SINGLE STAGE HIGH EFFICIENCY
$1,049.50
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1 4HP VACUUM PUMP AC AIR TOOL RESERVIOR HIGH COOLING FAN HEAVY DUTY ALUMINUM
$1,049.50
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1 4HP VACUUM PUMP 3CFM 025HP ROTARY SUCTION PICKUP PUMP HIGH COOLING FAN GREAT
$1,049.50
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1 4HP VACUUM PUMP FREE VACUUM OIL SUCTION PICKUP PUMP HIGH COOLING FAN WHOLESALE
$1,049.50
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1 4HP VACUUM PUMP SUCTION PICKUP PUMP AC AIR TOOL RESERVIOR HIGH COOLING FAN
$1,049.50
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1 4HP VACUUM PUMP 3CFM 025HP ROTARY HIGH COOLING FAN SINGLE STAGE HIGH LEVEL
$1,049.50
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1 4HP VACUUM PUMP PRINTING MACHINERY DIRECT DRIVE MOTOR HIGH COOLING FAN GREAT
$1,049.50
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1 4HP VACUUM PUMP PRINTING MACHINERY FREE VACUUM OIL HIGH COOLING FAN WHOLESALE
$1,049.50
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1 4HP VACUUM PUMP FREE VACUUM OIL HIGH COOLING FAN HEAVY DUTY ALUMINUM WELL MADE
$1,049.50
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1 4HP VACUUM PUMP FREE VACUUM OIL DIRECT DRIVE MOTOR HIGH COOLING FAN EXCELLENT
$1,049.50
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1 4HP VACUUM PUMP VANE DEEP HVAC FREE VACUUM OIL HIGH COOLING FAN REMARKABLE
$1,049.50
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1 4HP VACUUM PUMP VANE DEEP HVAC AIR CONDITIONING HIGH COOLING FAN PROFESSIONAL
$1,049.50
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1 4HP VACUUM PUMP OIL SLIGHT GLASS AIR CONDITIONING SINGLE STAGE HIGH EFFICIENCY
$1,049.50
quality
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1 4HP VACUUM PUMP SUCTION PICKUP PUMP HIGH COOLING FAN HEAVY DUTY ALUMINUM
$1,049.50
quality
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1 4HP VACUUM PUMP 3CFM 025HP ROTARY VANE DEEP HVAC HIGH COOLING FAN WHOLESALE
$1,049.50
quality
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Hobman Laboratories High Vacuum CF Manual Gate Valve
$249.00
quality
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VAT 26524 KA11 0001 0447 Right Angle Pneumatic High Vacuum Valve
$139.99
quality
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FABRI Valve High Vacuum Research Chamber 8 ASA Pneumatic Gate Valve Varian MDC
$895.00
quality
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Key SL 150 High Vacuum Valve
$100.00
quality
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7 High Vacuum ASA Feedthrough Flange B60395 50 105396E
$149.00
quality
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Nor Cal High Vacuum KF40 Pneumatic Angle Valve ESVP 1502 NW
$149.00
quality
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High Vacuum Stainless Steel KF40 Right Angle Elbow Pipe
$129.00
quality
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20 High Vacuum Stainless Steel KF40 KF16 Straight Pipe w Port
$129.00
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SMC High Vacuum Angle Valve XLA 16 X555 4 7 MPa Press 106 PA atm 5 l s
$74.99
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Leybold TURBOTRONIK NT 20 High Vacuum Turbo Pump Controller
$649.00
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4 Way High Vacuum Hose Fitting
$49.00
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10 ASA High Vacuum Stainless Steel Flange
$199.00
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New Aerzen Amusa GMA 138 V 00 High Vacuum Positive Displayment 10 HP Blower
$9,500.00
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VC22 Vinyl Vacuum Cup 78 Dia 54 High 25 Inlet
$2.99
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VC10A Vinyl Vacuum Cup 104 Dia 59 High 9 32 Inlet
$2.99
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New Aerzen Amusa GMB 1715 HV 00 High Vacuum Positive Displayment 30 HP Blower
$11,900.00
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10 Long High Vacuum SS KF25 Bellows Flex Pipe
$49.00
quality
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12 Long High Vacuum SS KF25 Bellows Flex Pipe Hose
$49.00
quality
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EDWARDS ED660 SPEEDIVAC BELT DRIVE ROTARY HIGH VACUUM PUMP 40CMH BALDOR M3554
$850.00
quality
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13 Long SS KF25 High Vacuum Bellows Flex Pipe Hose
$49.00
quality
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7 Long SS KF40 High Vacuum Bellows Flex Pipe Hose
$49.00
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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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High Vacuum Research Chamber 2ASA Bellows Flange Varian Pfeiffer MDC
$225.00
quality
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High Vacuum Research Chamber 5 1 2 Blank MDC Varian Huntington
$65.00
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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NEW VAT 26524 KA11 0001 0448 Inline Pneumatic High Vacuum Valve
$40.00
quality
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MKS MANUEL HIGH VACUUM VALVE 99G1139 VLVLPV1 25AKC MNVN
$245.00
quality
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Kinney High Vacuum Pump Model KC5
$550.00
quality
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Robinair High Vacuum Pump 45 CFM 15101 A NICE CLEAN WORKING
$88.00
quality
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Kinney High Vacuum Pump KC 8
$650.00
quality
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SMC ZSE40 C4 22L High Precision Digital Adjustable Vacuum Switch
$65.99
quality
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Ultek High Vacuum Elbow 90 Flange
$20.00
quality
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Granville Philips Ultra High 1Gold Seal Vacuum Research Shut Off Valve 204
$350.00
quality
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High Vacuum Research Chamber Small Cryo Trap Civ Unit Nor Cal Varian MDC
$95.00
quality
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VARIAN FC12 ULTRA HIGH VACUUM SYSTEM CHAMBER
$2,600.00
quality
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High Vacuum Research Chamber 3 ASA Elbow Zeyon Tricon
$250.00
quality
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Robinair 13203 Premium High Vacuum Pump Oil 1 Quart NEW
$22.55
quality
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High Vacuum Research Chamber 3ASA Flange Elbow Tricon Zeyon KF16 Port
$228.00
quality
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Uniweld HVP6 6 CFM High Performance Humm Vac Vacuum Pump
$119.99
quality
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Leybold Heraeus RGD 210 KF25 1OD Pneumatic High Vacuum Valve Cylinder Assembly
$144.99
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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