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Supplier: Radwell International
Description: DIFFUSION PUMP, 1/4 INCH, AODD, POLYPROPYLENE CONSTRUCTED WITH FLOUROPOLYMER DIAPHRAGMS AND VALVE BALLS,POLYPROPYLENE VALVE SEATS, AND FLOUROPOLYMER ENCAP, VITON VALVE SEATO-RING, NON-STALLING, NON-FREEZING. FREE 2 YEAR RADWELL WARRANTY
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Supplier: Agilent Technologies - Vacuum Products
Description: The Agilent AX-65 Oil diffusion pump is the smallest diffusion pump available in the market and the only pump that is air-cooled. Its vertical finned boiler and high power provide stable pumping and high helium pumping speed. This pump can be ordered with a
- Ultimate Operating Vacuum: 0.0029261069154449884 to 0.00000004876844859074981 torr
- Pumping Speed: 137.7272002138058 to 190.6992002960388 CFM
- Operating Temperature: 113 F
- Type: AC Single Phase
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Supplier: Agilent Technologies - Vacuum Products
Description: The Agilent NHS-35 Oil Diffusion Pump is a pump with high throughput and high pumping speed of 50,000 L/s. With its fully optimized vapor jet, robust boiler design and thermal protection switches, the pump will run without any maintenance for many years. It is available
- Ultimate Operating Vacuum: 0.0012754825016042257 to 0.00000004876844859074981 torr
- Pumping Speed: 59,328.64009210096 to 74,160.8001151262 CFM
- Operating Temperature: 113 F
- Type: AC Three Phase
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Supplier: Agilent Technologies - Vacuum Products
Description: The VHS-250 Diffusion Pump has a pumping speed of up to 2125 L/s. All VHS series pumps have sight glass/fill and drain assemblies for continuous monitoring and easy maintenance of pump fluid. The patented Bulge Contour increases gas capture and maintains lower pressure.
- Ultimate Operating Vacuum: 0.0012004541191569184 to 0.000000004876844859074981 torr
- Pumping Speed: 4,502.620006989805 to 5,636.220808749591 CFM
- Operating Temperature: 113 F
- Type: AC Single Phase
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Supplier: Agilent Technologies - Vacuum Products
Description: The VHS-10 Diffusion Pump has a pumping speed of up to 3650 L/s and can be ordered with ASA or ISO flanges, standard or extended cold caps, and a variety of voltages. The patented Bulge Contour increases gas capture and maintains lower pressure. All VHS series pumps have sight
- Ultimate Operating Vacuum: 0.001500567648946148 to 0.000000004876844859074981 torr
- Pumping Speed: 7,733.912012006018 to 9,662.0928149993 CFM
- Operating Temperature: 113 F
- Type: AC Three Phase
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Supplier: PTB Sales, Inc.
Description: We also carry Varian diffusion pump LN2 traps. We also offer repair service.
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Supplier: Dalton Electric Heating Co., Inc.
Description: Diff-Therm Platen Heaters are high-quality tubular heating elements swaged under 50 tons of pressure into grey iron castings. Direct Replacement Heaters for Every Major Brand of Vacuum Diffusion Pump Cooke CVC Denton Edwards Leybold NRC Perkin Elmer Torr Varian Veeco Outperform
- AC Voltage Required: 0 to 480 volts
- Heater Type: Cast-In Heater
- Features: Electric
- Sleeve (Sheath) Material: Iron
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Supplier: Edwards Vacuum
Description: The model EO50/60 is a compact, fast warm-up air-cooled diffusion pump supplied complete with high integrity inlet Co-Seal, flange clamping ring and optional baffle. The jet assembly is removable for easy cleaning. It meets the need for a low-cost, high vacuum pump for use in
- Pumping Speed: 57.20976008881164 to 148.3216002302524 CFM
- Motor Power: 0.335055096225705 HP
- Type: AC Single Phase
- Application: Analytical / Scientific, General Purpose / Industrial, Medical / Laboratory
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Supplier: PTB Sales, Inc.
Description: These diffusion pumps come with full thermal protection and quick-cool coils. HS-16 through 35 come with sight glass/fill and drain assemblies. Our HS-32 pumps have 32" ASA flanges. The Varian HS-20 pump is wired for either 208V or 240V. For $1,500 we will convert them to
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Supplier: PTB Sales, Inc.
Description: PTB will sell the CVC PMC diffusion pump rebuilt with warranty.
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Supplier: PTB Sales, Inc.
Description: The Varian VHS Series bulge contour increases gas capture and maintains lower pressure for the process. VHS pumps have sight glass/fill and drain assemblies for continuous monitoring and easy maintenance of pump fluid. Finned boilers increase surface area, prolonging fluid life. Full
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Supplier: Accuris
Description: Standard Test Method for Measured Speed of Oil Diffusion Pumps
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Supplier: ASTM International
Description: This test method establishes the apparatuses required, calibration and precision of the devices to be used, and the standard procedures for determining the measured speed, or volumetric flow rate, of oil diffusion pumps. This method shall make use of test dome, gage attachment or
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Supplier: RKI Instruments, Inc.
Description: No Description Provided
- Response Time: 30 seconds
- Operating Temperature: 14 to 104 F
- Operating Humidity: 0 to 95 %
- Measurement Type: %LEL, %Volume, Trace
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Supplier: RKI Instruments, Inc.
Description: No Description Provided
- Operating Temperature: 14 to 104 F
- Measurement Type: %LEL, %Volume, Trace
- Application: Ambient Air Monitoring, Process Gas
- Features: Audible or Visual Alarms, Intrinsically Safe, Other, Sampling Pump
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Supplier: Edwards Vacuum
Description: The Edwards 18B4B vapour booster pumps offer higher pumping speeds, of up to 6000 l s-1 at pressures intermediate between mechanical boosters and diffusion pumps. Vapor boosters from Edwards have been proven in the field for over 30 years. With a constant program of updates and
- Pumping Speed: 8,475.52001315728 to 12,713.28001973592 CFM
- Motor Power: 8.04132230941692 HP
- Type: AC Three Phase
- UHV / High Vacuum: Diffusion / Vapor
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Supplier: PumpWorks Inc. (The)
Description: Dehydration Backing pump for diffusion pumps Vacuum ovens and furnances
- Maximum Discharge Flow: 8.976623376623383 GPM
- Horsepower: 0.333333333333333 HP
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Supplier: RKI Instruments, Inc.
Description: No Description Provided
- Operating Temperature: 14 to 104 F
- Operating Humidity: 0 to 95 %
- Measurement Type: %LEL, %Volume, Trace
- Application: Ambient Air Monitoring, Personal Exposure Monitoring
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Supplier: Edwards Vacuum
Description: many years with thousands of pumps installed. This pump is unvalved and has a copper compression gasket flange (ConFlat®).
- Pumping Speed: 1,610.3488024998833 to 2,987.620804637941 CFM
- Motor Power: 1.809297519618807 HP
- Type: AC Single Phase
- Features: Benchtop, Integral Backing Pump, Other, Permanent Installation
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Supplier: Edwards Vacuum
Description: many years with thousands of pumps installed. This pump has a pneumatically actuated high vacuum isolation valve and is supplied with: NW25 elbow, NW25 centering-ring, NW25 clamp, water pipe couplings and ferrules, inlet ISO 160 Co-Seal.
- Pumping Speed: 1,483.216002302524 to 2,754.544004276116 CFM
- Motor Power: 1.809297519618807 HP
- Type: AC Single Phase
- Features: Benchtop, Integral Backing Pump, Other, Permanent Installation
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Supplier: M&I Materials Limited
Description: AP201 is a flagship vapour booster pump fluid with an exceptionally high degree of oxidation resistance. AP201 is widely regarded as being far superior to other low quality imitation vapour booster fluids. Some pump manufacturers who specify the use of Apiezon vapour booster
- Kinematic Viscosity (@ 40°C): 22 cSt
- Pour Point: -22 F
- Flash Point: 384.8 F
- Density / Specific Gravity (@15.6°C, 60°F): 0.885 specific gravity
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Supplier: 3X Ceramic Parts Company Limited
Description: most punishing conditions. Made to outperform conventional plastic, metal, carbide-coated, and diffusion alloy materials in corrosive, high-temperature, and high-pressure applications including lime slurries, cat cracker slurries, corrosive acid slurries, high pressure steam, aqua regia,
- Pump Type: Dosing Pumps
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Supplier: Dupont Molykote
Description: High-performance industrial lubricants for compressors and vacuum pumps Molykote® compressor and vacuum pump fluids are formulated to meet or exceed the performance of all comparable OEM fill products. Molykote offers solutions for a variety of applications and equipment including
- Kinematic Viscosity (@ 40°C): 106.9 cSt
- Viscosity Index: 100
- Pour Point: 0.4 F
- Flash Point: 500 F
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Supplier: Krytox™ Performance Lubricants
Description: Krytox™ vacuum pump fluids are used in applications where conventional vacuum pump oils cause safety, waste disposal and maintenance problems. They are nonflammable and eliminate the chance of fire in pumps. They are nonreactive and safe to use in oxygen systems. They can
- Kinematic Viscosity (@ 40°C): 8.4 to 180 cSt
- Pour Point: -40 F
- Density / Specific Gravity (@15.6°C, 60°F): 1.55 to 1.89 specific gravity
- Functions: Corrosion Inhibitor / Rust Preventative
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Supplier: SynSysCo
Description: HD Series Pumps World Class CoO for Harsh Applications HD Series Pumps are application proven pumps providing world class energy efficiency, low CoO, and excellent reliability. HD series are a good selection for PECVD and LPCD applications involving corrosive, condensable and
- Ultimate Operating Vacuum: 0.0005 torr
- Pumping Speed: 294 CFM
- Operating Temperature: 50 to 104 F
- Features: AC Three Phase, Other
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Supplier: Dupont Molykote
Description: APPLICATIONS Rotary vane vacuum pumps and compressors Rotary screw vacuum pumps and compressors designed to operate on ISO 100 R&O oil Other equipment able to operate on ISO 100 R&O oil FEATURES Wide Service Temperature Range Broad Compatibility Fully Synthetic Base Oil Colorless
- Kinematic Viscosity (@ 40°C): 98 cSt
- Viscosity Index: 145
- Pour Point: -54.4 F
- Flash Point: 519.8 F
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Vacuum Pumps and Vacuum Generators - Harsh Duty Service, Low Power Consumption Vacuum Pump -- HD1200Supplier: LOT Vacuum America
Description: HD Series Pumps are application proven pumps providing world class energy efficiency, low CoO, and excellent reliability. HD series are a good selection for PECVD and LPCD applications involving corrosive, condensable and particulate by-products. They are very compact, quiet and have
- Ultimate Operating Vacuum: 0.0005 torr
- Pumping Speed: 588 CFM
- Operating Temperature: 50 to 104 F
- Features: AC Three Phase
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Description: The measurements deal with diffusion pumps, ejector pumps, and booster pumps, i.e. pumps capable of operation in both the molecular and laminar flow regions.
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Supplier: CSA Group
Description: The measurements deal with diffusion pumps, ejector pumps, and booster pumps, i.e. pumps capable of operation in both the molecular and laminar flow regions.
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Supplier: Dupont Molykote
Description: High-performance industrial lubricants for compressors and vacuum pumps Molykote® compressor and vacuum pump fluids are formulated to meet or exceed the performance of all comparable OEM fill products. Molykote offers solutions for a variety of applications and equipment including
- Kinematic Viscosity (@ 40°C): 63.1 cSt
- Viscosity Index: 113
- Pour Point: 0 F
- Flash Point: 445 F
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Supplier: Becker Pumps Corporation
Description: No Description Provided
- Flash Point: 465 to 515 F
- Density / Specific Gravity (@15.6°C, 60°F): 0.87 to 0.89 specific gravity
- Functions: Compressors / Piston Pumps
- Composition / Chemistry: Ester / Diester, Straight Oil (Non-soluble), Synthetic / Semi-synthetic
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Supplier: Becker Pumps Corporation
Description: No Description Provided
- Flash Point: 444 F
- Density / Specific Gravity (@15.6°C, 60°F): 0.965 specific gravity
- Functions: Compressors / Piston Pumps
- Composition / Chemistry: Ester / Diester, Straight Oil (Non-soluble), Synthetic / Semi-synthetic
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Supplier: United Bio Lube
Description: No Description Provided
- Kinematic Viscosity (@ 40°C): 43.8 cSt
- Viscosity Index: 216
- Pour Point: -32.8 F
- Flash Point: 469.4 F
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Supplier: Busch Vacuum Solutions
Description: Laboratory Distillation/Extraction Filtration/Solvent recovery Analytical instruments – GCMS Backing pump for turbomolecular and diffusion vacuum pumps Electron microscopes Leak detectors Vacuum drying, freeze-drying (lyophilization) Refrigeration and air conditioning Load locks
- Ultimate Operating Vacuum: 0.0050254271613073 torr
- Pumping Speed: 17.052 to 55.86 CFM
- Operating Temperature: 39 to 104 F
- Motor Power: 4.95881542414043 HP
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Supplier: CSA Group
Description: The considered method of measurement deals with vapours jet vacuum pumps, diffusions pumps and diffusion-ejector pumps. The dependence of the performance of these pumps on the backing pressure can only be completely described be means of a curve relating the
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Designed to complement Agilent’s industry-leading diffusion pumps, these accessories include high-quality fluids, heaters, baffles, traps, and replacement parts—each rigorously tested to meet demanding application requirements across semiconductor, research, and industrial (read more)
Browse Mechanical Vacuum Pumps and Systems Datasheets for Agilent Technologies - Vacuum Products -
This dry screw pump is designed for semiconductor applications such as Etch, CVD, Diffusion, and ALD processes that require a high gas temperature, excellent powder handling, corrosive gas tolerance, and high pumping speed. The pump temperature and nitrogen dilution can both be (read more)
Browse Vacuum Pumps and Vacuum Generators Datasheets for Busch Vacuum Solutions -
From composite foils to showerheads and reflectors, plastics with metallic surfaces are everywhere. They are often produced using BUSCH vacuum pumps. Hard, shiny, and hermetically sealed To prevent potato chips from (read more)
Browse Mechanical Vacuum Pumps and Systems Datasheets for Busch Vacuum Solutions
Conduct Research Top
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Diff-Therm Technical Brief
Vacuum diffusion pumps require an effective heating system to drive the pump. Conventional designs often employ a complicated series of components that must be carefully matched up, adding unnecessary time, labor, and cost to the replacement process.
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MSilica Nanoparticles Treated by Cold Atmospheric-Pressure Plasmas Improve the Dielectric Performance of Organic-Inorganic Nanocomposites
, rapid. and efficient mixing is difficult to achieve. Owing to this. small length scale the Reynolds number, which gives the. ratio between inertia and viscous forces, is small. Thus,. mixing without any intentional stretching and folding of. interfaces is dominated by molecular diffusion, which
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Foundations of Vacuum Science and Technology
Diffusion Pumps / 176 4.1.1.
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VACUUM PROBLEMS AND TECHNIQUES
Thus each tank must be provided with individual diffusion pumps that are capable of producing and maintaining operating pressure.
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Vacuum Technology
35 Diffusion Pumps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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http://dspace.mit.edu/bitstream/handle/1721.1/62054/707926171-MIT.pdf?sequence=2
There are two identical ports, numbered #13 and #45 according to Ref. 1, to which diffusion pumps will be attached when the stationary molecular beam source is installed.
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Pumping Requirements And Options For Molecular Beam Epitaxy And Gas Source Molecular Beam Epitaxy/Chemical Beam Epitaxy
For gas flows greater than a few sccm, pumping speed requirements dictate the use of turbomolecular or diffusion pumps .
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Experimental Innovations in Surface Science
A different lubricant reported to be satisfactory for Viton O-rings consists of a mixture of graphite powder and Santovac 5 diffusion pump oil (a polyfluo-roether) [19].
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http://dspace.mit.edu/bitstream/handle/1721.1/67181/758495602-MIT.pdf?sequence=2
1-1 Schematic of a diffusion pump ......
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Practical Aspects Of Pumping Systems For Optical Coating
20" diffusion pump (17,000 1/s air ); .
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