Top VACUUM PUMPS,DIFFUSION PUMP OIL,VACUUM GAUGES Products in New Delhi at best prices

Ultra Oil 19

Dinesh High Vacuum Engineering Ultra Oil 19 (DUO 19) is a premium-grade, hydrotreated hydrocarbon vacuum pump oil engineered for small-to-medium two-stage rotary vane vacuum pumps. Specially formulated to serve as a direct, high-performance equivalent to Edwards Ultragrade 19, DUO 19 delivers identical viscosity profiles, exceptional thermal stability, and low backstreaming under demanding industrial and laboratory environments. Unlike standard solvent-refined lubricants, DUO 19 undergoes a rigorous hydrotreating process. This severe molecular refining completely eliminates sulfur, nitrogen, oxygen, and aromatic ring structures, leaving a virtually transparent, chemically inert base stock. When combined with our advanced anti-oxidant, anti-wear, and rust-inhibiting additive package, DUO 19 enables your vacuum infrastructure to run cooler, pull deeper ultimate vacuums, and extend oil drain intervals by resisting chemical degradation. 🛡️Key Features & Technical Benefits -- 100% Drop-In Edwards Ultragrade 19 Equivalent :- Seamlessly mix or switch during routine maintenance without flushing risks or seal compatibility issues. -- Ultra-Low Vapor Pressure :- Minimizes backstreaming and oil degradation, allowing your vacuum pumps to reach their maximum engineered ultimate vacuum levels. -- Optimized Cold-Start Lubrication :- Perfectly balanced viscosity profile reduces startup torque requirements, protecting internal mechanical components from dry friction wear during initial cold starts. ✅Core Applications & Compatibility DUO 19 vacuum pump oil is precision-formulated for high-vacuum installations across analytical research, semiconductor manufacturing, and industrial operations. 1.) Compatible Pump : Models : Edwards Rotary Vane Pumps :- RV3, RV5, RV8, RV12, E2M18, E2M28 series. Cross-Brand Compatibility :- Alcatel-Adixen C1 series, Pfeiffer DUO Line, Busch R5 series (less than 40m^3/hr), Leybold Trivac, and Rietschle V Series. 2.) Industry Applications: - Mass Spectrometry & Electron Microscopy (SEM/TEM) - Thin-Film Vacuum Sputtering & Optical Coating Systems - Helium Leak Detection Operations - Vacuum Metallurgy & Heat Treatment Furnaces - UHV (Ultra-High Vacuum) System Backing Lines

VACUUM PUMP OIL

DVO 120 High Vacuum Oil

Operating high-speed, single-stage rotary vane vacuum systems demands an optimization fluid that balances rapid internal heat transfer with absolute structural stability. Dinesh High Vacuum Engineering’s DVO 120 is custom-compounded to meet this exact challenge. Engineered as a premium functional equivalent to Leybold LEYBONOL LVO 120, this specialized lubricant brings highly refined mineral bases and targeted performance enhancements into your production line. Unlike standard baseline oils, DVO 120 falls into the precise ISO VG 32 classification. This specific viscosity profile is selected by engineers to ensure rapid fluid circulation during crucial system startup phases while maintaining a resilient sealing film under continuous operating temperatures. 🛡️Key Features & Technical Benefits -- Overcoming Startup Electrical Overload : Thicker vacuum oils can create heavy viscous drag when a pump is activated cold, leading to tripped breakers and excessive motor wear. -- Active Oxidation Resistance : When exposed to compressed atmospheric gases and frictional heat, raw mineral oils quickly break down into dark, sticky varnishes. -- Accelerated Moisture Separation : Industrial processes frequently pull ambient humidity into the vacuum chamber. DVO 120 features advanced demulsifying properties that prevent water from permanently blending into the oil. ✅Equipment Application Guide : DVO 120 can be introduced directly into machinery requiring an additivated ISO VG 32 vacuum lubricant. It is a direct functional fit for: -- SOGEVAC Single-Stage Lines : Optimized for compact and mid-sized configurations, including the SV 10 B, SV 16, SV 25 B, and SV 65 pump variations. -- High-Speed Rotary Assemblies : Equipment designs requiring an anti-wear fortified mineral oil to protect internal components during constant start-stop cycles. -- Legacy Fleet Operations : An exact chemical drop-in choice for systems originally specified to run on older, discontinued Leybold HE200 fluid grades.

VACUUM PUMP OIL

DVO 100 High Vacuum Oil

Dinesh High Vacuum Engineering’s DVO 100 is a premium-grade, highly refined mineral vacuum pump oil formulated without additives. Engineered specifically to serve as a direct, seamless replacement for Leybold LEYBONOL LVO 100, DVO 100 ensures your high-vacuum machinery maintains optimal ultimate pressure, minimal backstreaming, and reliable component protection without the OEM price premium. Whether you are operating high-capacity rotary vane pumps, roots blowers, or industrial diffusion setups, DVO 100 matches the exact physical, thermal, and chemical profile required to protect your internal components from premature wear and thermal breakdown. 🛡️Key Features & Technical Benefits : 1. Ultra-Low Vapor Pressure & Minimal Foaming DVO 100 undergoes strict distillation processing to eliminate low-boiling fraction volatiles. This achieves a remarkably low vapor pressure at high thermal thresholds, preventing vapor migration back into your clean vacuum chamber while maintaining the absolute lowest ultimate pressure capabilities of your pump series. 2. Additive-Free Formula for Chemically Inert Applications Designed completely free of aggressive chemical additives, DVO 100 will not react or break down prematurely when exposed to standard atmospheric air, water vapor, and chemically inert process gases (such as Nitrogen, Argon, and Helium). 3. Rapid Water Separation & Demulsibility Industrial vacuum applications regularly ingest moisture. DVO 100 features high demulsibility properties, meaning it separates water rapidly from the oil layer. This allows condensation to settle at the bottom of the oil reservoir for easy draining, rather than forming a milky emulsion that destroys lubricating efficiency. ✅Direct Pump Compatibility Guide : DVO 100 is engineered to be poured directly into systems utilizing LVO 100 without needing a complex chemical flush. It is fully compatible with the following equipment lines: -- Leybold TRIVAC Series : Compatible with TRIVAC A, TRIVAC B, and TRIVAC E rotary vane pumps. -- Leybold RUVAC Series : Roots vacuum pumps requiring un-additivated ISO VG 100 lubrication. -- Leybold E + DK Series : Rotary piston pump systems running under constant industrial loads. -- Standard Rotary Vane & Piston Pumps : Any industrial high-vacuum pump specifying a non-detergent, additive-free ISO VG 100 vacuum oil. 👌Applications of DVO 100 Vacuum Pump Oil : -- Rotary vane vacuum pumps, High vacuum systems -- Vacuum coating machines, PVD and thin film deposition systems, Vacuum metallurgy -- Vacuum drying chambers, Laboratory vacuum systems -- Research and development facilities, Pharmaceutical vacuum systems -- Freeze drying and lyophilization systems, Transformer oil filtration plants

VACUUM PUMP OIL

Ultra Oil 20

Dinesh High Vacuum Engineering Ultra Oil 20 (DUO 20) is a heavy-duty, highly refined hydrotreated hydrocarbon lubricant engineered specifically for large-scale, multi-stage rotary vane and mechanical booster vacuum pumps. Designed to function as a direct, 100% drop-in equivalent to Edwards Ultragrade 20, DUO 20 provides the enhanced kinematic viscosity and robust thermal tracking required to protect high-throughput vacuum machinery operating under sustained thermal loads. Standard vacuum oils often shear or volatilize when pumps run hot for extended periods. DUO 20 mitigates this risk by utilizing a advanced hydro-cracked base oil infrastructure. By completely purging reactive aromatics, sulfur compounds, and unstable molecules, DUO 20 achieves a remarkably high viscosity index. Combined with our proprietary oxidation inhibitors, this fluid maintains its lubrication films at peak operational temperatures, reliably sealing clearances to maximize constant volumetric displacement and prevent internal backstreaming. 🛡️Key Features & Technical Benefits -- Exact Edwards Ultragrade 20 Technical Alternative : Formulated to mirror the chemical makeup and performance thresholds of Ultragrade 20, eliminating the need for expensive system flushing during switchovers. -- Elevated Viscosity Index (60-68 cSt @ 40°C) : Provides robust hydrodynamic lubrication films inside larger mechanical pumps, ensuring tight rotor-to-stator clearances are perfectly sealed even under harsh continuous-duty applications. -- Exceptional Low Volatility (1x10^-7mbar at 20°C ) : High molecular weight limits oil vaporization into the process stream, protecting system purity and ensuring deep ultimate vacuum acquisition. ✅Core Applications & Equipment Compatibility : DUO 20 vacuum oil is optimized for large industrial, chemical, and metallurgical vacuum environments where massive gas volumes are processed continuously. 1) Target Pump Models : -- Edwards Industrial Pumps: E1M40, E1M80, E2M40, E2M80, E2M175, E2M275 series rotary vane lines. -- Mechanical Boosters: Backing oil compatibility for Edwards EH series (EH250, EH500, EH1200, EH2600) and mechanical blower backup systems. -- Cross-Brand Large Machinery: Suitable for heavy industrial pumps from Leybold (Trivac D40B/D65B), Bush, and Kinneys requiring an ISO VG 68 equivalent high-vacuum fluid. 2) Common Industrial Settings : -- Vacuum Distillation, Freeze Drying, & Large Scale Dehydration Systems -- Vacuum Furnaces, Laser Sintering, & Plasma Metallurgy -- Transformer Oil Purification & Degassing Systems -- Large Analytical Mass Spectrometer Backing Systems -- Space Simulation Chambers & High-Volume Component Testing

VACUUM PUMPS

Roots Blower Vacuum Pump

For applications that demand incredibly high pumping speeds and large volumetric throughput in the medium to rough vacuum range (10^{-3} to 10 mbar), the Roots Blower Vacuum Pump (also known as a Roots booster or mechanical booster pump) is the unmatched solution. Used primarily as a booster pump in conjunction with a fore-vacuum pump (such as a dry screw or rotary vane pump), the Roots Blower dramatically increases the system’s capacity, particularly at lower pressures. Dinesh High Vacuum Engineering (DHVE) supplies robust Roots Blowers, designed to turbocharge the speed and efficiency of your industrial vacuum system without adding contamination to the process. I. ⚙️ Principle of Operation: Non-Contact Momentum The Roots Blower is a type of positive displacement pump characterized by its high volume, high speed, and oil-free pumping chamber. Unlike many other positive displacement pumps, the Roots Blower does not generate an ultimate vacuum on its own; it must exhaust into a backing pump. The Counter-Rotating Lobes Figure-Eight Lobes (Rotors): The pump consists of two synchronized, counter-rotating, kidney-bean-shaped rotors (often called lobes) housed within a tight casing. Timing Gears: The lobes are driven by external timing gears (located in a separate, oil-lubricated gear chamber) to ensure they spin in perfect synchronization without ever touching each other or the casing walls. This non-contact operation is key to its high speed and dry pumping chamber. Gas Trapping: As the lobes rotate, they trap a volume of gas from the inlet port. This gas is then carried around the periphery of the casing toward the exhaust port. Compression (External): When the trapped volume reaches the exhaust port, it meets the higher-pressure gas flowing out of the backing pump. The resulting backflow causes rapid external compression. The volume is then forced out to the backing pump. The lack of internal compression makes the Roots Blower highly efficient at moving large volumes of gas quickly, which is why it excels at boosting the speed of a backing pump at low pressures where the backing pump's efficiency typically drops off. II. 📈 Why Choose a DHVE Roots Blower? The Booster Advantage The installation of a Roots Blower upstream of a backing pump yields significant operational improvements: Massive Speed Boost: The primary advantage is the dramatic increase in pumping speed (volumetric flow rate), especially in the 10^{-3} to $10^0mbar range. A Roots Blower can increase the speed of a system by a factor of 5 to 10. Deep Vacuum Capability: By adding a Roots Blower, the combined system can reach a significantly lower ultimate vacuum than the backing pump could achieve alone. Contamination-Free Pumping: Since the rotors operate without contact and the pumping chamber is entirely separated from the timing gears, the process gas remains 100% oil-free, even if an oil-sealed pump is used as the backing stage. High Pumping Efficiency: The Roots Blower maintains high volumetric efficiency over a broad pressure range, leading to faster pump-down times for large chambers and industrial systems. Robustness: The non-contact design means minimal mechanical wear, resulting in high reliability and long service life, essential for continuous industrial operation. III. Designing Your DHVE Roots System: The Differential Pressure Challenge Properly integrating a Roots Blower requires careful consideration of the compression ratio —the ratio of the discharge pressure to the inlet pressure Limitation: Roots Blowers have a limit on the maximum safe compression ratio (typically around 10 to 20:1). If this limit is exceeded, the extreme pressure differential causes excessive heat buildup that can lead to lobe distortion and seizure. DHVE Solutions: To manage this, Dinesh High Vacuum Engineering often employs two key strategies: Multiple Stages: Linking two or more Roots Blowers in series, with the last stage exhausting into the backing pump, to increase the overall compression ratio without overloading any single stage. Bypass/Relief Valves: Integrating an automatic bypass valve that opens when the pressure differential becomes too high, recirculating gas from the discharge back to the inlet until the pressure equalizes. Maximize Your System Speed with DHVE Boosters For industrial processes where speed and volume are critical, there is no substitute for the performance of a Roots Blower system. By integrating a Dinesh High Vacuum Engineering Roots Booster with your existing backing pump, you will dramatically reduce cycle times, increase productivity, and achieve a deeper ultimate vacuum. ➡️ Supercharge your vacuum system today. Contact Dinesh High Vacuum Engineering to design a custom Roots Blower setup tailored to your specific flow rate and pressure requirements!

VACUUM PUMPS

Liquid Ring Pumps

Liquid Ring Vacuum Pumps In the chemical, pharmaceutical, power, and food industries, vacuum processes often involve high volumes of condensable vapors, wet gases, or corrosive media. These challenging environments can quickly degrade and destroy traditional dry or oil-sealed pumps. The solution is the exceptionally robust and highly tolerant Liquid Ring Vacuum Pump (LRVP). Dinesh High Vacuum Engineering (DHVE) specializes in LRVPs, leveraging the unique properties of a rotating liquid seal to create a vacuum while simultaneously condensing vapors and scrubbing particulates. The result is a simple, durable, and highly reliable pump that is a cornerstone of process vacuum technology globally. I. ⚙️ The Liquid Ring Principle: Sealing with Fluid The Liquid Ring Vacuum Pump is a type of positive displacement pump that uses an internal sealing liquid (typically water, but often process-compatible solvents or oils) as the compressing element. The Simple, Robust Mechanism Eccentric Impeller: The pump features a multi-bladed impeller mounted eccentrically (off-center) within a cylindrical pump casing. The Liquid Ring: As the impeller rotates, the sealing liquid is thrown outward by centrifugal force, forming a rotating, concentric ring along the inner wall of the casing. This rotating liquid ring is the 'piston' that creates the vacuum. Gas Trapping and Compression: Because the impeller is mounted eccentrically, the space between the impeller blades and the inner surface of the liquid ring continually changes volume: Suction: As the impeller rotates away from the casing center, the chambers between the blades and the liquid ring increase in volume, drawing process gas through the inlet port. Compression: As rotation continues, the liquid ring moves inward toward the impeller hub, reducing the volume of the trapped gas chambers and compressing the gas (isothermal compression). Discharge: The compressed gas, along with a portion of the sealing liquid, is expelled through the discharge port. An external separator system captures the liquid for cooling and potential recirculation (partial or full recovery systems). II. 🌟 Superior Advantages of DHVE Liquid Ring Pumps The unique use of a liquid seal provides a distinct set of operational benefits that make the LRVP essential for difficult industrial duties: Exceptional Contaminant and Vapor Handling: The ability to handle high liquid carryover, condensable vapors, and even soft solids without damage is the defining advantage. The sealing liquid washes the pump's internals, preventing fouling and corrosion. Isothermal Compression: The continuous presence of cool sealing liquid absorbs the heat generated during gas compression. This results in an isothermal (constant temperature) process, which is safer for handling heat-sensitive and potentially flammable gases. Rugged Reliability & Durability: With only one moving part—the impeller—and no metal-to-metal contact between the impeller and the casing, the DHVE LRVP experiences minimal wear. This translates to exceptional operational uptime and significantly lower maintenance costs. Versatility in Sealing Fluids: The sealing liquid is often chosen to be compatible with the process gas. DHVE can configure systems to use water, mineral oil, or specific organic solvents, allowing the LRVP to be used for gas scrubbing and recovery simultaneously. Single- and Two-Stage Options: DHVE offers both single-stage pumps (for rough vacuum, down to approx. 35 mbar) and two-stage pumps (for deeper vacuum, typically down to 25 mbar), providing tailored performance for your specific pressure requirements. III. Designing Your DHVE LRVP System Selecting the correct LRVP system goes beyond just the pump. Dinesh High Vacuum Engineering provides complete systems that include: Material Construction: Pumps are available in Cast Iron (CI), Stainless Steel (SS 304/316), and specialized alloys to ensure compatibility with highly corrosive media. Seal Liquid Management: Choosing between Once-Through (single-pass), Partial Recirculation, or Full Recirculation (Closed-Loop) systems is vital for water conservation, heat dissipation, and environmental compliance. DHVE designs recirculation systems with heat exchangers and liquid separators for maximum efficiency. Performance Range: Single-stage pumps are ideal for applications near the saturation point of the sealing liquid, while two-stage systems offer better performance at deeper vacuum levels. Partner with Dinesh High Vacuum Engineering for Industrial Process Vacuum The Liquid Ring Vacuum Pump is the most reliable choice when facing dirty, wet, or corrosive process streams. Trust Dinesh High Vacuum Engineering (DHVE) to supply an expertly designed system that guarantees longevity, safety, and consistent performance, minimizing your environmental impact and maintenance budget. ➡️ Contact Dinesh High Vacuum Engineering today to configure a high-durability Liquid Ring Vacuum Pump system tailored precisely to your industrial process environment!

VACUUM PUMPS

Turbomolecular Pumps

For applications that demand the absolute highest standards of vacuum purity, stability, and speed, the Turbomolecular Pump (TMP) is the undisputed technology of choice. Operating in the high vacuum (HV) and ultra-high vacuum (UHV) regimes (down to $10^{-11} mbar), TMPs are the essential workhorses of the semiconductor, research, and analytical science industries. Dinesh High Vacuum Engineering (DHVE) delivers state-of-the-art Turbomolecular Pumps, combining high rotational speeds, advanced bearing technologies, and expert engineering to ensure a hydrocarbon-free environment for your most sensitive processes. I. ⚙️ The Core Principle: Momentum Transfer in Molecular Flow The Turbomolecular Pump functions as a highly specialized, multi-stage momentum transfer pump. It works on the principle that gas molecules, under the conditions of molecular flow, can be given momentum in a preferred direction by repeated collisions with a fast-moving solid surface. How the TMP Achieves UHV Molecular Flow: TMPs are effective only when the system is already at a low enough pressure (typically below $10^{-3} mbar) where the gas is in the molecular flow regime. In this regime, the mean free path of gas molecules is greater than the distance between the pump's internal surfaces. This means molecules collide primarily with the pump surfaces rather than with each other. Rotor and Stator Blades: The pump consists of multiple alternating stages of rapidly rotating rotor blades and stationary stator blades (or discs) that resemble a jet engine turbine. Rotor Action: The rotor blades, spinning at extremely high speeds (often 20,000 to 90,000 RPM), 'hit' gas molecules, imparting a downward momentum towards the pump's exhaust. The resulting velocity of the molecule is the sum of its thermal velocity and the rotor's blade velocity. Stator Action: The fixed stator blades act as baffles, preventing the now-accelerated molecules from moving back toward the inlet while directing them into the next stage of the rotor. Compression: This repetitive collision process, across many stages, successively compresses the gas until it reaches a high enough pressure to be efficiently removed by a backing pump (fore-vacuum pump), typically a dry screw or rotary vane pump. II. 💡 Modern Turbopump Design: Hybrid and Wide-Range Models Modern TMPs often feature a hybrid design to enhance performance across the pump's pressure range: Turbine Stages (Inlet): These stages, with finely pitched blades, are optimized for maximum pumping speed at very low pressure (molecular flow). Molecular Drag Stages (Exhaust): Located near the backing pump, these stages (e.g., Holweck or Siegbahn mechanisms) use rotating drums or discs with helical channels to actively drag gas molecules. They are optimized for higher compression ratios at higher pressures, which dramatically improves the pump's ability to handle the light gases (like Hydrogen and Helium) and allows for a smaller, more economical backing pump. DHVE specializes in Wide-Range TMPs that integrate these drag stages, offering a superior compression ratio, especially for light gases which often leak back through traditional pure turbine designs. IV. 🌍 Essential Applications for DHVE Turbomolecular Pumps The superior ultimate vacuum, clean operation, and high pumping speed make TMPs from Dinesh High Vacuum Engineering indispensable in the following critical fields: Semiconductor Manufacturing: Essential for demanding processes like PVD (Physical Vapor Deposition), CVD (Chemical Vapor Deposition), and ion implantation where even trace hydrocarbon contamination can destroy microchips. Analytical Instruments: Used in Mass Spectrometry (MS), Gas Chromatography-Mass Spectrometry (GC-MS), and Electron Microscopy (SEM/TEM) to create the ultra-clean vacuum required for particle beam generation and precision analysis. Research & Development: Critical for high-energy physics accelerators, space simulation chambers, and surface science experiments that necessitate extreme vacuum conditions (UHV). Coating Industry: Key for achieving high-quality, defect-free optical and thin-film coatings. Partner with Dinesh High Vacuum Engineering For over 30 years, Dinesh High Vacuum Engineering (DHVE) has been a trusted manufacturer in the high-vacuum technology space. Our Turbomolecular Pumps are engineered for demanding industrial uptime, minimal vibration, and unparalleled purity, ensuring reliable performance in your most sensitive vacuum processes. ➡️ Contact Dinesh High Vacuum Engineering today to discuss your specific UHV requirements and find the perfect Turbomolecular Pump solution for your application.

VACUUM PUMPS

Dry Screw Vacuum Pump

In today's high-stakes manufacturing and processing environments, achieving a truly oil-free, high-efficiency vacuum is non-negotiable. Traditional pumps often introduce the risk of contamination, high maintenance burdens, and poor energy performance. Dinesh High Vacuum Engineering (DHVE) is proud to present its next-generation line of Dry Screw Vacuum Pumps—the definitive solution for applications demanding purity, precision, and the lowest possible cost of ownership. This detailed guide explores the superior technology, advanced features, and material science that make DHVE dry screw pumps the industry's gold standard. ⚙️ Technical Mastery: The Science Behind DHVE Dry Screw Pumps A dry screw pump is a masterpiece of precision engineering. Unlike wet pumps, which rely on lubricating fluids, the DHVE dry screw mechanism achieves its vacuum purely through mechanical action in an oil-free environment. The Core Mechanism: Non-Contact Compression The heart of the pump consists of two parallel, precision-machined helical screw rotors that rotate in perfect synchronization. Axial Gas Transport: As the rotors spin in opposite directions, the threads intermesh without making physical contact. This action traps process gas at the inlet and progressively transports it along the axis of the screws toward the exhaust. Internal Compression (Variable Pitch): DHVE models utilize a variable pitch screw design. This advanced geometry features a decreasing pitch (thread spacing) toward the discharge end. This progressive reduction in volume creates internal compression, which is a crucial feature: It minimizes the pressure difference between the last compression chamber and the exhaust, significantly reducing backflow leakage (or 'slip losses'). This results in higher volumetric efficiency and lower power consumption compared to constant-pitch designs. Gap Sealing: The vacuum is maintained by extremely tight, micron-level clearances between the rotors and the casing, and between the rotors themselves. This non-contact principle eliminates wear, ensures process purity, and is the foundation for the pump’s exceptional reliability. 🛡️ Corrosion & Contaminant Handling: Built for Harsh Environments The dry screw design inherently handles condensable vapors and particulates better than oil-sealed pumps. However, for the aggressive chemical and pharmaceutical sectors, DHVE offers pumps built with specialized material science to ensure longevity and zero failure. Advanced Materials for Chemical Resistance For applications involving highly corrosive gases like concentrated acids, solvents, and chlorides, Dinesh High Vacuum Engineering utilizes premium materials and coatings: Stainless Steel Rotors (316L and Duplex): For mild to moderately corrosive process streams, 316L offers excellent general resistance. For extreme environments, Duplex stainless steel (UNS S32205 / S32750) is utilized, providing superior resistance to pitting, crevice corrosion, and stress cracking, especially against chlorides and organic acids. Anti-Corrosion Coatings: The internal surfaces of the pump casing and rotors are often protected with thick, robust coatings such as Nickel Plating (ENP) or PEEK (Polyether Ether Ketone).14 These barrier layers prevent direct contact between the metal substrate and the aggressive process media. Gas Ballast System: Every DHVE dry screw pump is equipped with a gas ballast port. Introducing a small, controlled amount of inert gas (like Nitrogen) heats the pump and lowers the partial pressure of condensable vapors, ensuring they remain in the gaseous state and are safely expelled, preventing liquid condensation and subsequent corrosion. 🌐 Applications & Industrial Purity The unique combination of oil-free operation, VSD energy efficiency, and chemical resistance makes the DHVE Dry Screw Vacuum Pump the definitive choice across critical industries: Pharmaceuticals & Lyophilization: Guarantees absolute product purity, essential for drug safety and solvent recovery processes like freeze drying. Semiconductor & Electronics: Meets the stringent demands for ultra-clean vacuum required in PVD/CVD coating, etching, and load lock chambers. Chemical Processing: Reliable performance in challenging duties such as vacuum distillation, solvent stripping, and reactor service, backed by our corrosion-resistant material options. Ready to Optimize Your Vacuum Process? The decision to invest in a Dry Screw Vacuum Pump is an investment in process reliability, energy efficiency, and product purity. By choosing Dinesh High Vacuum Engineering (DHVE), you gain access to cutting-edge technology, expert application support, and a pumping solution engineered for decades of low-maintenance operation. ➡️ Contact Dinesh High Vacuum Engineering today to speak with one of our vacuum specialists and receive a quote tailored to your exact industrial requirements!

VACUUM PUMPS

Vacuum Pumps

PERFORMANCE YOU CAN TRUST ON The DHVE series is the ultimate range of best oil sealed rotary vane pumps- The result of more than 35 years’ experience and a clean sheet design programmer, these rugged vacuum pumps offer an excellent ultimate vacuum with good pumping speeds as well as superior vapor handling capabilities and quiet operation. The firm offers Rotary vane vacuum pumps are designed with decade of experience for excellent performance and modest maintenance. They are widely used for Laboratory distillation, Screen Printing, Bottle Filling Pharmaceuticals, Food beverages industries with proven performance. These pumps are available in various models such as V-Belt Driven, Direct Driven and Flange type. Specialist in compact design is its success for application in Offset Printing, Cartooning, Powder filling, Labelling, Packaging Industries. Versatile vacuum pumps with unique features successfully proved on Semi / High speed automatic Capsule filling machines / Filtration / transferring / Holding / Conveying & Packaging machines. Applications- You can be assured DHVE has the application expertise and the pumps or integrated system solution to meet your needs. Mass spectrometry- • GCMS, LCMS, ICPMS, MALDI, RGA, surface science, leak detectors High energy physics- • Beam lines, accelerators, mobile pump carts, turbomolecular pump backing, laser evacuation Research and development- • Chamber evacuation, coating systems, turbomolecular pump backing Industrial- • Glove boxes, coating systems, freeze drying, gas bottle filling/emptying, refrigeration system manufacture, degassing/curing (oil, epoxy resin) Chemical- • Gel dryers, glove boxes, rotary evaporators, centrifuges, distillation/extraction/filtration

VACUUM SYSTEMS

Vacuum Pumping Systems

A High Vacuum Pumping system consists of Rotary Pump, Booster pump and oil diffusion pump is made ready for shipment to reputed client for cryogenic vessel evacuation.The system is tested upto a vacuum level of 5X10(-6) mbar. Another achievement of Alfatechnovac Team

VACUUM SYSTEMS

Turbo Molecular Pumping System

Turbomolecular pump system Technical Data More Information Article Number 101351 Pumping speed N2 - Nitrogen in l/s 67 Ultimate pressure in mbar (Torr) 5x10-7 Wired for 230V, 50/60Hz Intake connection DN 63 ISO-K Exhaust connection DN 16 KF Dimensions (W/D/H) in mm 480/500/700 Weight kg (lbs) 20 (44)

Lyophilizer

Freeze-drying or lyophilization Freeze-drying, or lyophilization, is the process of freezing a material then sublimating any frozen liquid directly from solid to gas. The method is often used to preserve food and pharmaceuticals, as it allows products to be easily stored and transported without requiring constant refrigeration. Vacuum pumps are required for this process, and should be sized according to the freeze-dryer. If the pump’s flow rate is too high, then vapor will be pulled through the freeze-dryer’s condenser too quickly, reducing its efficiency. It is also important to clean the condenser after each run to prevent sublimation of frozen chemicals into the vacuum pump. Freeze-dryer applications require an ultimate vacuum of 10-1 to 10-3 mbar, which can be achieved with single- and two-stage rotary vane pumps or ChemStar Dry Lyophilizer

VACUUM TURBO

Turbo Molecular Pump

Turbo Packages Turbo Vacuum provides economical solutions for simple-to-purchase, small, complete turbo pump systems, ready to use. These packages include turbo pump, integrated controller, power supply, air cooling kit, and connection cables. Features • Economical solutions • Reliable • Ready to use & simple • Dual voltage 90-240v • Units Provided as Complete Package TG60F TG 60 Technical Specifications Inlet Flange: KF40, ISO 63, CF 63 Pumping Speed, L/S (N): 60 Pumping Speed, L/S (He)): 55 Pumping Speed, L/S (H): 22 Ultimate Pressure (mbar): 10-9 Startup Time (min): 1.5 Rotational Speed (rpm): 80,000 Orientation: Any Backing Pressure (mbar): 6 Outlet Flange: NW 16 Weight (lb): 10 Controller: TC66 Complete System Price: $3,975.00 Ordering Information TG60FKAB-OEM TG60FRAB-OEM TG60FCAB-OEM TG240F TG 240 Technical Specifications Inlet Flange: ISO 100, CF 100 Pumping Speed, L/S (N): 240 Pumping Speed, L/S (He)): 160 Pumping Speed, L/S (H): N/A Ultimate Pressure (mbar): 10-10 Startup Time (min): 5 Rotational Speed (rpm): 48,000 Orientation: Any Backing Pressure (mbar): 6 Outlet Flange: NW 25 Weight (lb): 18 Controller: TC245 Complete System Price: $7,600.00 Ordering Information TG240FRAB-OEM TG240FCAB-OEM TV90I TV90i Technical Specifications Inlet Flange: ISO 63, CF 63 Pumping Speed, L/S (N): 90 Pumping Speed, L/S (He)): 90 Pumping Speed, L/S (H): 78 Ultimate Pressure (mbar): 10-10 Startup Time (min): 1.5 Rotational Speed (rpm): 72,000 Orientation: Any Backing Pressure (mbar): 14 Outlet Flange: NW 16 Weight (lb): 7 Controller: Integrated Complete System Price: $4,850.00 Ordering Information TV90I-SYS-ISO TV90I-SYS-CF TV250I TV250i Technical Specifications Inlet Flange: ISO 100, CF 100 Pumping Speed, L/S (N): 225 Pumping Speed, L/S (He)): 250 Pumping Speed, L/S (H): 210 Ultimate Pressure (mbar): 10-10 Startup Time (min): 2 Rotational Speed (rpm): 72,000 Orientation: Any Backing Pressure (mbar): 14 Outlet Flange: NW 16 Weight (lb): 13 Controller: Integrated Comp