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New Atmosphere and Vacuum Furnace Systems: Available With Short Lead Times or for Immediate Delivery dhve occasionally develops and manufactures new heat-treating systems in advance of purchase commitments. We make this decision based on market conditions and sales projections. If you have an urgent need to expand your heat-treating capacity, the following atmosphere and vacuum furnaces are available with short lead times and/or for immediate delivery: dhve® H2 Vacuum Furnace (2 bar) Lead time of 4 weeks 18" x 24" x 18" (W x L x H) Load Capacity of 1, 000 lbs. Graphite hot zone PdMetrics® and High Vacuum options included dhve® H2 Vacuum Furnace (2 bar) Lead time of 8 weeks 18" x 24" x 18" (W x L x H) Load capacity of 1, 000 lbs. Graphite hot zone PdMetrics® and High Vacuum options included dhve® H2 Vacuum Furnace (12 bar) Lead time of 12 weeks 18" x 24" x 18" (W x L x H) Load capacity of 1, 000 lbs. Graphite hot zone dhve® H6 Vacuum Furnace (2 bar) Lead time of 6 weeks 36" x 48" x 36" (W x L x H) Load capacity of 3, 000 lbs. Graphite hot zone PdMetrics® and High Vacuum options included dhve® LT6 (Low Temperature) Vacuum Furnace (2 bar) Lead time of 12 weeks 36" x 48" x 36" (W x L x H) Load capacity of 3, 000 lbs. Graphite hot zone PdMetrics® and High Vacuum options included dhve Atmosphere Systems dhve Integral Quench Batch Furnace Lead time of 8 weeks 36" x 48" x 36" (W x L x H) with a 2" grid Load capacity of 3, 500 lbs. Temperature operating range of 1, 400 ºF to 1, 800 ºF with ±20 ºF temperature uniformity Atmosphere Ancillary Equipment – Washer Lead time of 12 weeks 36" x 48" x 36" (W x L x H) with a 2" grid Load capacity of 3, 500 lbs. Operating temperature of 160 ºF Atmosphere Ancillary Equipment – Temper Lead time of 12 weeks 36" x 48" x 36" (W x L x H) with a 2" grid Load capacity of 3, 500 lbs. Temperature operating range of 300 ºF to 1, 250 ºF with ±10 ºF temperature uniformity Atmosphere Ancillary Equipment – Loader Lead time of 12 weeks 36" x 48" x 36" (W x L x H) with a 2" grid Load capacity of 3, 500 lbs. Electric power with adjustable customer connections To obtain current pricing or discuss your atmosphere or vacuum furnace requirements, contact dhve
dhve-20 Diffusion Pumps Available in 2 in. and 16 in. through 35 in. sizes, the low-cost dhve-series pumps provide high speed, low ultimate pressure, high throughput, high tolerable forepressure, and low backstreaming. The HS-Series diffusion pumps come with full thermal protection and optional quick-cool coils. The 16 in. through 35 in. pumps come with sight glass/fill and drain assemblies, and are available with ASA or ISO flanges. Diffusion Pumps Features Five-stage fractionating jet purifies pumping fluid and assures low base pressure. High tolerable forepressure. Full thermal protection. Fluid-level sight glass provides quick indication of pump fluid status at all times. Fill and drain assembly for pump oil. Standard gauge port (NW-25) below inlet flange included. Foreline baffle prevents loss of fluid into backing pump system. Optional halo baffle reduces backstreaming without adding height. Ordering Details Download dhve-20 Diffusion Pump 3D Model Specifications Technical Specifications Pumping Speed, Operating Range Pumping Speed, AVS 4.1 (1963) 10, 000 l/s air, 12, 500 l/s He and H2 17, 500 l/s Air Maximum Throughput 12.5 T-l/s (16.7 mbar l/s) in operating range, 18 T-l/s (23 mbar-l/s) @ 0.01 torr Operating Range 1.3 x 10-3 to 5 x 10-8 torr (1.7 x 10-3 to 6.5 x 10-8 mbar) Maximum Forepressure No Load: 0.65 torr (0.85 mbar) Full Load: 0.55 torr (0.72 mbar) Recommended Backing Pump ɛ100 cfm (170 m3/hr) Backstreaming Rate, Standard Cold Cap <1.5 x 10-3 mg/cm2/min Warmup Time 45 minutes Cooldown Time 85 minutes Fluid Charge 5 quarts (4.7 liters) Electrical Requirements 3 ph, 50/60 Hz, 240/415/480 VAC Pump Power 12, 000 watts Cooling Water Requirements 1.5 gpm (300 l/hr) at 60-80°F (15-26°C) Water Connections 1⁄4 in. FPT Tee Recommended Fluid DC-704
dhve-20 Diffusion Pumps Available in 2 in. and 16 in. through 35 in. sizes, the low-cost dhve-series pumps provide high speed, low ultimate pressure, high throughput, high tolerable forepressure, and low backstreaming. The HS-Series diffusion pumps come with full thermal protection and optional quick-cool coils. The 16 in. through 35 in. pumps come with sight glass/fill and drain assemblies, and are available with ASA or ISO flanges. Diffusion Pumps Features Five-stage fractionating jet purifies pumping fluid and assures low base pressure. High tolerable forepressure. Full thermal protection. Fluid-level sight glass provides quick indication of pump fluid status at all times. Fill and drain assembly for pump oil. Standard gauge port (NW-25) below inlet flange included. Foreline baffle prevents loss of fluid into backing pump system. Optional halo baffle reduces backstreaming without adding height. Ordering Details Download dhve-20 Diffusion Pump 3D Model Specifications Technical Specifications Pumping Speed, Operating Range Pumping Speed, AVS 4.1 (1963) 10, 000 l/s air, 12, 500 l/s He and H2 17, 500 l/s Air Maximum Throughput 12.5 T-l/s (16.7 mbar l/s) in operating range, 18 T-l/s (23 mbar-l/s) @ 0.01 torr Operating Range 1.3 x 10-3 to 5 x 10-8 torr (1.7 x 10-3 to 6.5 x 10-8 mbar) Maximum Forepressure No Load: 0.65 torr (0.85 mbar) Full Load: 0.55 torr (0.72 mbar) Recommended Backing Pump ɛ100 cfm (170 m3/hr) Backstreaming Rate, Standard Cold Cap <1.5 x 10-3 mg/cm2/min Warmup Time 45 minutes Cooldown Time 85 minutes Fluid Charge 5 quarts (4.7 liters) Electrical Requirements 3 ph, 50/60 Hz, 240/415/480 VAC Pump Power 12, 000 watts Cooling Water Requirements 1.5 gpm (300 l/hr) at 60-80°F (15-26°C) Water Connections 1⁄4 in. FPT Tee Recommended Fluid DC-704
DHVE Oil Free Diaphragm Vacuum Pressure Pumps These are 100% Oil Free, wherein not even a single drop of oil is used. These are a boon for Vacuum & Pressure Applications, where even slightest Environmental Contamination through oil mist is forbidden. Chemical Analysers, Pollution Control Equipments, Gas Monitoring, Nitrogen Generating Sets, Ozone Generators, Operating Clinical, Medical & Scientific Laboratory Equipments, Suction of Desoldering Waste, Filtration, Dentistries & Spray Painting.
Oil Free Diaphragm Vacuum Pressure Pumps Oil Free Diaphragm Vacuum Pressure Pumps These are 100% Oil Free, wherein not even a single drop of oil is used. These are a boon for Vacuum & Pressure Applications, where even slightest Environmental Contamination through oil mist is forbidden. Chemical Analysers, Pollution Control Equipments, Gas Monitoring, Nitrogen Generating Sets, Ozone Generators, Operating Clinical, Medical & Scientific Laboratory Equipments, Suction of Desoldering Waste, Filtration, Dentistries & Spray Painting.
DHVE Silicone Diffusion Pump Oil DHVE Vacuum’s silicone diffusion pump oils – DHVE 702, 704, and 705 – are durable fluids designed for a variety of high vacuum applications and for fast pumping large volumes of gas. They are drop-in replacements to – and completely miscible with – the DOW CORNING® DC-702, 704, and 705 silicone fluids, respectively. DHVE 702, 704, and 705 silicone diffusion pump oils offer equal or better performance compared to the equivalent DOW CORNING products. Product Properties Areas of Application Specifications MSDS DHVE® 702 DHVE702 is designed for rapid pumping of large volumes of gas and has the important advantages of thermal stability and oxidation resistance. This silicone-based fluid is resistant to air at operating temperatures, the pumps require no cooling between cycles. DHVE® 704 DHVE704 is a silicone diffusion pump oil with low vapor pressure and great thermal stability, making it desirable in processes such as vacuum coating, metallurgical work, and various other applications. It offers superior vapor pressure capabilities and quick pump down cycles. DHVE® 705 DHVE 705, with a higher viscosity than the otherDHVE fluids, is designed to produce an ultra-high and ultra clean vacuum. With the use of traps, DHVE 705 is capable of attaining a pressure of 10-11 torr, and without a trap 10-9 torr. DHVE® 940 DHVE 940 is a silicone diffusion pump fluid with both low vapor pressure and thermal stability, enabling it to be used in vacuum coating, metallurgical work, and various other applications. It is oxidation and explosion resistant, and offers quick pump down cycles.
DHVE Hydrogen Furnaces By operating in hydrogen or any reducing/inert atmosphere up to 2300°C, dhve's positive pressure coldwall furnaces are an ideal solution to many high temperature processes that require an oxygen-free environment. Easily and reliably ramp up to desired temperature in minutes or days, depending on your requirements. A standard, programmable "bubbler" can be used for creating wet hydrogen to further aid in removing hydrocarbon contaminants when a dry atmosphere is not required. Additionally, optional heated bubblers and dewpoint monitors can be used to easily achieve and control the higher dewpoints necessary for metalizing ceramics. Most of our models will roll through a standard interior door frame with little to no deconstruction. All our furnaces are fully automatic. One button push performs: → Purge (displace atmosphere inside chamber with nitrogen) → Process gas fill → Bubbler for humidification of process gas → PID controlled ramp(s) to target temperature → Soak → Cooldown → Post purge (displace process gas inside chamber with nitrogen for safe opening) Hydrogen furnaces offer a lower cost alternative to high-vacuum furnaces if the process can allow for it. They are self cleaning, inexpensive to run and maintain, and process cooling in hydrogen is quick and controllable. Though built specifically to run safely in a hydrogen atmosphere, these furnaces can just as easily run in any inert or reducing gas type such as argon, nitrogen, forming gas (dissociated ammonia), helium, or any combination.
DHVEs North INDIA recently held a Service & Pump Technologies Seminar at the DHVE Institute of Technology (DHVE). The seminar focused on service demonstrations, best operating practices and an introduction to laboratory application equipment. Our DHVE65 and DHVE2019 pumps were showcased at the event. For more information on upcoming DHVE events, check out our website:
Dual-Stage Rotary Vane Pumps are oil sealed and feature a rugged design—capable of pumping speeds from 3.5 cfm to 53 cfm and an ultimate vacuum of 10-3 Torr or 29.9inHG. Lightweight, quiet, and compact, they feature an anti-suckback valve and gas ballast knob, quick disconnect ISO/KF fittings for inlet and outlet, and are ideal for a variety of applications. Specifications Ideal low cost replacements for Varian, Leybold, Pfeiffer, Edwards or Alcatel two-stage rotary vane pumps Well ventilated, cool running pumps minimize oil backstreaming and thermal degradation Positive oil feed system enables optimal pump lubrication Rugged, well-known design makes it easy to maintain Low operating costs Single-phase motors available for either 120V or 220V with switch Applications Vacuum degassing Cylinder filling Sampling applications A/C and refrigeration evacuation Vacuum ovens and furnaces Sputter and deposition systems Freeze dryers Electron microscopes Backing turbo pumps Contact us for a quote , or order direct online with our partner distributor dhve.
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