'piston pump'

For rugged industrial applications requiring dependable performance in the rough to medium vacuum range (typically 10^{-1} to 10^3 mbar), the Piston Vacuum Pump remains a foundational technology. Known for its robust construction, deep vacuum capabilities for its class, and resilience in demanding environments, the reciprocating piston pump is a true industrial workhorse. Dinesh High Vacuum Engineering (DHVE) offers a comprehensive range of piston vacuum pumps, engineered to deliver high volumetric efficiency and sustained performance across diverse applications, from filtration to material handling. I. ⚙️ Principle of Operation: Positive Displacement with Precision The Piston Vacuum Pump belongs to the positive displacement family, utilizing a simple yet highly effective mechanical action to evacuate gases. The Reciprocating Mechanism Cylinder and Piston: The core of the pump consists of a cylinder in which a piston moves reciprocally (back and forth). This motion is driven by a crank-connecting rod mechanism linked to an electric motor. Intake Stroke (Vacuum Creation): As the piston moves away from the cylinder head (retracts), it increases the volume of the chamber. This expansion causes the pressure inside the cylinder to drop significantly below the pressure of the vessel being evacuated. The pressure differential causes the gas to be drawn into the cylinder through the suction (inlet) valve. Compression Stroke (Exhaust): Once the piston reaches its full retraction point, the suction valve closes, trapping the gas. The piston then moves forward, decreasing the volume and compressing the trapped gas. Discharge: When the pressure of the compressed gas reaches a point slightly above atmospheric pressure, the discharge (exhaust) valve opens, expelling the gas. DHVE offers both single-acting (evacuation occurs on one piston stroke) and double-acting (evacuation occurs on both strokes for a steadier flow) piston pump designs to meet specific flow rate and consistency requirements. II. 🌟 Key Advantages of Piston Vacuum Pumps The simple and sturdy mechanical design of the Piston Vacuum Pump offers distinct benefits in many industrial settings: Deep Rough Vacuum Capability: Piston pumps excel at achieving strong vacuum levels in the rough to medium range, often reaching $10^{-1} Pa (10^{-3} mbar) in multi-stage designs, making them highly efficient for batch processes. Rugged Durability: Constructed from durable materials like cast iron and specialized alloys, these pumps are built to withstand continuous, heavy-duty operation and maintain performance even in harsh, dusty, or humid industrial environments. High Volumetric Efficiency: Due to their robust seals and positive displacement nature, they maintain high pumping speeds across a wide range of operating pressures. Ease of Service: With a relatively simple and accessible mechanical layout, piston pumps are generally easy to maintain and service, leading to reduced downtime and lower long-term repair costs. III. DHVE Focus: Oil-Lubricated vs. Oil-Free Piston Pumps Piston pump technology comes in two main variants, each suited for different priorities: Oil-Lubricated Piston Pumps (DHVE Industrial Models): Features: Utilize oil to cool and lubricate the piston, cylinder walls, and valves, while also improving the seal for a deeper ultimate vacuum. They often include a Gas Ballast feature to prevent water vapor condensation. Ideal For: High-capacity industrial applications where maximum vacuum depth and durability are prioritized over absolute cleanliness (e.g., vacuum impregnation, drying). Oil-Free Piston Pumps (DHVE Laboratory Models): Features: Rely on specialized composite piston rings and cylinder materials to operate without oil. Ideal For: Small-scale, portable, or laboratory applications (e.g., suction, small-chamber evacuation) where the 100% oil-free discharge is critical, despite sacrificing some ultimate vacuum depth compared to lubricated models. Trust Dinesh High Vacuum Engineering for Industrial Vacuum When you choose a Piston Vacuum Pump from Dinesh High Vacuum Engineering (DHVE), you are selecting a solution backed by years of expertise in vacuum technology. Our piston pumps are designed for maximum efficiency, long operational life, and minimal need for servicing, offering you the lowest TCO in industrial rough vacuum. ➡️ Contact Dinesh High Vacuum Engineering today to consult with our experts on selecting the optimal Piston Vacuum Pump model and configuration for your heavy-duty industrial vacuum needs!

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!

We have established ourselves as a renowned manufacturer, trader and supplier of Vacuum Chambers. These vacuum chambers are used in labs, studio and many more places. Our offered vacuum chambers are tested on numerous parameters under the direction of our quality experts in order to deliver a flawless range. We provide these vacuum chambers in different specifications as per the need of customers. Features: Application specific design Smooth performance Low maintenance cost Specifications: Voltage: 380V Humid. range: 10 ~ 98 percent R.H. Other Information: Item Code: VC-001

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

We have been counted amongst the most trusted names in this domain, engaged in providing supreme quality range of Diffusion Pump Oil. This Diffusion Pump Oil is known for its high purity and effectiveness. Our product range is made by using supreme quality raw material.

Max Flow Rate 500-50000 Litres per Product Description Our organization specializes in providing high quality Diffusion Pumps. These pumps use a high throughput speed that provide fastest cycle time, saving precious time which results in more profits for the buyers. These pumps have heavy metal body to give durability. These pumps are developed from quality grade components provided by trustworthy vendors to offer you the best of the products. These pumps are responsive and leakage proof. These pumps are proficient in working with cost efficient nature . Features : Heavy duty Corrosion free body Optimum functionality

Banking on the ability and knowledge of skilled team of workers, we are engaged in providing a quality rich quality of Vacuum Oils to meet various requirements of our clientele. These products are accessible in market in dissimilar packaging options. In addition to this, we assure optimum quality and properly checked and safely delivered at reasonable prices. Features & Benefits of Rotary Vacuum Pump Oil : Thermal Stability Provides excellent lubrication to the pump Low vapor pressure High viscosity index Excellent Vacuum Level Suitable for rotary/mechanical vacuum pumps of all makes and models around the world.

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

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)