China manufacturer Vrd Series Lab Electric Small Vacuum Pump Double/Dual Stage Rotary Vane Oil Vacuum Pump manufacturer

Product Description

Product Parameters

Model VRD-4 VRD-8 VRD-16 VRD-24 VRD-30 VRD-48 VRD-65 VRD-90
Pumping Speed 50HZ m3/h(L/S) 4(1.1) 8(2.2) 16(4.4) 24(6.6) 30(8.3) 48(13.3) 65(18) 85(23.6)
60HZ m3/h(L/S) 4.8(1.3 9.6(2.6) 19.2(5.2) 28.8(7.9) 36(9.9) 57.6(16) 78(21.6) 102(28.3)
Ultimate Partial Pressure Gas Ballast Close(Pa) 5×10-2 5×10-2 4×10-2 4×10-2 4×10-2 4×10-2 4×10-2 4×10-2
Ultimate Total Pressure Gas Ballast Close(Pa) 5×10-1 5×10-1 4×10-1 4×10-1 4×10-1 4×10-1 4×10-1 4×10-1
Ultimate Total Pressure Gas Ballast Open(Pa) 10 10 8×10-1 8×10-1 8×10-1 1.5 1.5 1.5
Power Supply Single/3 phase 3 phase
Power(kw) 0.4/0.37 0.4/0.37 0.55 0.75 1.1 1.5 2.2 3
Level of Protection IP44 IP44 IP44 IP44 IP44 IP44 IP44 IP44
Air Intake/Exhaust Port KF16/25 KF16/25 KF25 KF25/40 KF25/40 KF40 KF40 KF40
Oil Mass(L) 0.6-1.0 0.6-1.0 0.9-1.5 1.3-2.0 1.3-2.0 3.3-4.5 3.3-4.5 3.3-4.5
Motor Speed 50/60Hz(rpm) 1440/1720 1440/1720 1440/1720 1440/1720 1440/1720 1440/1720 1440/1720 1440/1720
Ambient Temperature(ºC) 10-40 10-40 10-40 10-40 10-40 10-40 10-40 10-40
Noise Level(dB) ≤52 ≤52 ≤58 ≤58 ≤58 ≤62 ≤62 ≤65
Weight(kg) 19 21 30 35 43 62 65 65
Size(L*W*H mm) 440*144*217 440*144*217 530*188*272 567*188*272 567*188*272 730*234*358 730*234*358 730*234*358

Product Description

“BOTH” VRD series pumps are designed for reliable long time continuous operation, they will take your equipment’s vacuum down to 0.3 CHINAMFG in minutes. Comes standard with all necessary fittings and a high capacity exhaust oil mist filter which also returns trapped pump oil back to the pump and makes the pump quieter to run. Multi-level gas ballast is designed to allow purposefully pull a less deep and slower vacuum by opening the gas ballast, allowing dry air to go directly into the pump and diluting the vacuum pull, and it also helps keep moisture, solvent, and other contaminants from getting stuck in the pump, and instead passing through to the exhaust. It is important to note that pumps should always be ran in a well ventilated area

· Tow-Shift adjustable gas ballast valve satisfies different requirements of condensable vapor(such as water vapor) to be exhausted
· Out of pump in different processes. Dual protection of oil anti-sucking back ensures vacuum system from oil pollution when pump
· Stops running and needs to be easily restarted. Forced oil circulation system consisted of oil pump and constant pressure oil supply mechanism ensures stable running of the pump.
· Less components are used, easy to maintain and repair

Application
· Rotary Vane Vacuum Pump corollary use with freezer dryer to reach vacuum state, it’s an essential corollary equipment in medicine CHINAMFG drying, biology, food industry and agricultural products deep processing
· Rotary Vane Vacuum Pump corollary use with vacuum drying oven for maintaining vacuum state inside the oven, they mainly applies in powder drying and baking in vacuum condition

Company Profile

Packaging & Shipping

FAQ

Q1. What is your products range?
• Industry water chiller, recirculating cooling chiller, rotary evaporator, alcohol recovery equipment, short path distillation kit, glass molecular distillation equipment, falling film evaporator, jacketed glass reactor and other lab equipment.

Q2. Are you trading company or manufacturer?
• We are professional manufacture of lab equipment and we have our own factory.

Q3. Do you provide samples? Is it free?

• Yes, we could offer the sample. Considering the high value of our products, the sample is not free, but we will give you our best price including shipping cost.

Q4. Do you have warranty?
• Yes, we offer 1 year warranty for the spare part.

Q5. How long is your delivery time?
• Generally it is within 7 working days after receiving the payment if the goods are in stock. Or it is 15 working days if thegoods are not in stock, depending on order quantity.

Q6. What is your terms of payment?
• Payment≤15,000USD, 100% in advance. Payment≥15,000USD, 70% T/T in advance, balance before shipment.
(If you are concerned about payment security for the first order, we advise you can place Trade Assurance Order via Alibaba. you will get 100% payment refund if we can’t meet agreed delivery time.)

After-sales Service: Online Service Support
Warranty: 2 Year
Oil or Not: Oil
Customization:
Available

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

small vacuum pump

What are the cost considerations when purchasing or installing small vacuum pumps?

When purchasing and installing small vacuum pumps, there are several cost considerations to keep in mind. These costs can vary based on factors such as the type of pump, application, and installation requirements. Here are key cost considerations:

1. Initial Purchase Cost:

The initial purchase cost of the vacuum pump is a significant factor. Different types of small vacuum pumps come with varying price tags. For example, diaphragm and rotary vane pumps are generally more affordable than high-end scroll pumps or specialized pumps for specific applications.

2. Pump Type:

The type of vacuum pump you choose will impact the cost. Oil-free pumps may be more expensive upfront but can reduce long-term maintenance and oil-related costs.

3. Application Requirements:

The specific requirements of your application can affect costs. For instance, if your application demands a high vacuum level or precise control, you may need a more advanced and costly pump.

4. Maintenance Costs:

Consider the long-term maintenance costs of the pump. Oil-lubricated pumps require regular oil changes and maintenance, which can add to the overall cost of ownership. Oil-free pumps generally have lower maintenance costs.

5. Installation Expenses:

Installation costs may include labor, materials, and any necessary modifications to your equipment or facility. Some pumps may require specialized installation, especially in industrial or laboratory settings.

6. Operating Costs:

Factor in the ongoing operating costs, such as electricity consumption. Energy-efficient pumps may have lower operational expenses over time.

7. Warranty and Service:

Check the manufacturer’s warranty and the availability of service and spare parts. A longer warranty can provide cost savings by reducing repair expenses.

8. Life Cycle Costs:

Consider the total cost of ownership over the pump’s expected lifespan. A higher upfront cost may be justified if it results in lower overall operating and maintenance costs.

9. Energy Efficiency:

Energy-efficient pumps may have a higher initial cost but can lead to significant savings in energy bills over time.

10. Regulatory Compliance:

Some industries or applications may require compliance with specific regulations or safety standards, which could add costs related to compliance testing and certification.

11. Customization:

If your application requires customized features or configurations, be prepared for potential customization costs.

12. Spare Parts and Accessories:

Consider the availability and cost of spare parts and accessories, as well as any additional components you may need for your specific application.

It’s essential to perform a thorough cost analysis that takes into account both the initial purchase cost and the long-term operating and maintenance expenses. This analysis will help you make an informed decision when selecting a small vacuum pump that aligns with your budget and application requirements.

Additionally, consult with manufacturers or suppliers to obtain detailed cost estimates and explore any available financing options or discounts that may apply to your purchase.

small vacuum pump

How do small vacuum pumps handle different types of materials or substances?

Small vacuum pumps are versatile tools that can handle a wide range of materials and substances, both gaseous and liquid. Their ability to create and control vacuum levels makes them suitable for various applications. Here’s how small vacuum pumps handle different types of materials:

1. Gases and Vapors:

Small vacuum pumps excel at removing gases and vapors from a closed system or chamber. They work by creating a pressure differential, with lower pressure inside the chamber than outside. This pressure difference causes gases to flow into the pump, where they are compressed or expelled.

2. Liquids:

Some small vacuum pumps, like diaphragm pumps, can handle liquid transfer and filtration tasks. They create a vacuum to draw liquids through filters or into collection vessels. This capability is useful in applications such as vacuum filtration in laboratories.

3. Solids:

While vacuum pumps primarily handle gases and liquids, they indirectly affect solids in some applications. For example, in vacuum drying processes, a vacuum pump removes moisture or solvents from solid materials by reducing the surrounding pressure, facilitating evaporation.

4. Contaminants and Particles:

Small vacuum pumps can also handle contaminants and particles to some extent. Filters and traps can be integrated into the vacuum system to capture and remove particulate matter or contaminants from the gas or liquid being processed.

5. Biological Samples:

In laboratory settings, small vacuum pumps are used for various biological sample handling tasks. They can be employed for vacuum aspiration in cell culture work, concentration of DNA or proteins, and filtration of biological fluids.

6. Airborne Pathogens:

In medical environments, vacuum pumps are used in devices like suction units to safely and efficiently handle airborne pathogens, secretions, and fluids. The vacuum created by the pump aids in the removal of these materials from patients.

7. Chemicals and Hazardous Substances:

When handling hazardous chemicals or substances, it’s crucial to select a vacuum pump that is compatible with the materials involved. Diaphragm pumps, for example, offer oil-free and chemically resistant operation, making them suitable for handling corrosive or reactive chemicals.

8. Refrigerants:

In HVAC and refrigeration systems, small vacuum pumps are used to evacuate and degas refrigerant lines before charging the system. This helps ensure the efficient and reliable operation of refrigeration equipment.

9. Sample Manipulation:

In scientific research and analytical applications, small vacuum pumps are used for precise sample manipulation. They can be employed to move and control the position of samples within a vacuum chamber or other controlled environments.

Small vacuum pumps are chosen based on the specific requirements of the materials or substances being handled. Compatibility with the material, the required vacuum level, and the desired flow rate are some of the factors that influence the selection of the appropriate pump for a given application.

small vacuum pump

Can you explain the different types of small vacuum pumps available in the market?

Certainly, there are several types of small vacuum pumps available in the market, each with unique working principles and applications. Here are some of the most common types:

1. Diaphragm Vacuum Pumps:

Diaphragm vacuum pumps use a flexible diaphragm that moves up and down to create suction. These pumps are oil-free, making them ideal for applications where contamination from lubricants is a concern, such as in laboratories. They are commonly used in vacuum filtration, sample concentration, and scientific research.

2. Rotary Vane Vacuum Pumps:

Rotary vane vacuum pumps operate by using vanes that rotate inside a cylindrical chamber. As the vanes move, they create a vacuum by trapping and compressing gas. These pumps are known for their high efficiency and reliability. They are used in applications like rotary evaporation, HVAC systems, and industrial processes.

3. Piston (Reciprocating) Vacuum Pumps:

Piston vacuum pumps use a piston-cylinder arrangement to create a vacuum. They are often found in smaller, portable units and are suitable for applications requiring intermittent or continuous vacuum, such as refrigeration evacuation, air sampling, and medical devices.

4. Scroll Vacuum Pumps:

Scroll vacuum pumps consist of two interleaved spiral scrolls that move in opposite directions. This design generates a series of crescent-shaped pockets, trapping and compressing gas as they move. Scroll pumps are known for their quiet operation and are used in applications like semiconductor manufacturing, analytical instruments, and vacuum ovens.

5. Venturi Vacuum Pumps:

Venturi vacuum pumps operate using the Venturi effect, where a high-speed fluid (usually air or gas) creates a vacuum when passing through a constriction. These pumps are simple and compact, making them suitable for portable and lightweight applications like vacuum pick-and-place systems and vacuum grippers.

6. Turbomolecular Vacuum Pumps:

Turbomolecular vacuum pumps are high-speed pumps that use rotating blades to capture and accelerate gas molecules out of the vacuum chamber. They are capable of achieving very high vacuum levels and are used in ultra-high vacuum applications, such as electron microscopy, mass spectrometry, and semiconductor manufacturing.

Choosing the right type of small vacuum pump depends on factors such as the required vacuum level, flow rate, contamination sensitivity, and application-specific requirements. It’s essential to consider these factors when selecting a vacuum pump to ensure it meets your needs effectively.

China manufacturer Vrd Series Lab Electric Small Vacuum Pump Double/Dual Stage Rotary Vane Oil Vacuum Pump   manufacturer China manufacturer Vrd Series Lab Electric Small Vacuum Pump Double/Dual Stage Rotary Vane Oil Vacuum Pump   manufacturer
editor by CX 2023-11-25