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China 15ml 30ml 50ml 80ml 100ml 120ml luxury silver gold aluminum cosmetic spray airless dispenser pump frosted plastic bottle

Model Number: WT-15
Surface Handling: Screen Printing
Industrial Use: Cosmetic
Base Material: ABS
Body Material: ABS
Collar Material: ABS
Sealing Type: PUMP SPRAYER
Use: Eye Shadow, PERFUME, Essential Oil, Shampoo, Eye Cream, Face Cream, Lotion, Skin Care Serum, Hot Selling Two-Stage Miniature Vrd Oil Rotary Vane Vacuum Pump Sunscreen Cream, SKIN CARE, Other Cosmetic
Plastic Type: ABS
Product name: airless pump bottle
Color: Clear White Black
Material: ABS
Size: 10ml 20ml
Shape: Square
Logo: Customized Logo
Usage: packaging liquid perfume bottles
MOQ: 3000pcs
Delivery time: 7 days
Sample: Provided Freely
Packaging Details: pp on bag

Product NameAirless Pump bottle
Capacity15ml 30ml 50ml 80ml 100ml 120ml
ShapeRound Shape
Colorwhite, black, clear, green, bule, red or as you required
CustomizedLogo, High Quality Reusable Airtight Vacuum Sealed Food Container With Pump Outer packing,pattern Customized
Usehand sanitizer bottle, perfume bottle, eliquid bottle, e juice bottle, eye drop bottle, essential oil bottle, body oil bottle, EPA ENGINE Agriculture Tractors 4wd 4×4 160 180 hp AW Farm Tractor olive oil bottle
Customizedscreen printing, hot stamping, frost, and label printing
packingstandard carton(bottles and caps in different opp bag)
paymentWest Union, Moneygram, T.T and Paypal, Credit Card
Delivery timeIn stock
Packing & Delivery Company Introduction FAQ

Vacuum Pump

Disadvantages of using a vacuum pump

A vacuum pump is a device that pulls gas molecules out of a volume and leaves a partial vacuum. Its main function is to create a relative vacuum within a given volume. There are several types of vacuum pumps. Some of them are better suited for specific purposes than others. However, there are some disadvantages to using a vacuum pump.

Application of vacuum pump

Vacuum pumps are invaluable tools in many industrial and scientific processes. They are often used to move gas and other harmful substances and to clear clogged drains. They are also used to support mechanical equipment. For example, they can be mounted on the engine of a motor vehicle or the power hydraulic component of an aircraft. No matter how they are used, they should fit the application.
The principle of a vacuum pump is to draw gas from a sealed chamber to create a partial vacuum. Over the years, vacuum pump technology has evolved from its original beginnings to its current form. Today, there are many types of vacuum pumps, including rotary vane pumps, momentum transfer pumps, and regeneration pumps.
The semiconductor industry is a major user of vacuum pumps. Among other applications, these pumps are commonly used for mounting circuit boards, securing components, blowing and jetting, and pumping. The use of renewable resources has paved the way for widespread semiconductor production, where vacuum pumps are crucial. This manufacturing shift is expected to boost vacuum pump sales across Europe.
Vacuum Pump
The most common types of vacuum pumps are positive displacement and rotary vane pumps. Positive displacement pumps are most effective for rough vacuum applications and are usually paired with momentum transfer pumps. These pumps are used in pharmaceutical, food and medical processes. They are also used in diesel engines, hydraulic brakes and sewage systems.
Positive displacement pumps are used to create low vacuum conditions and create a partial vacuum. These pumps create lower air pressure by enlarging the chamber and allowing gas to flow into the chamber. The air in the cavity is then vented to the atmosphere. Alternatively, momentum transfer pumps, also known as molecular pumps, use high-speed rotating blades to create dense fluids.
Vacuum Pump

Their drawbacks

Vacuum pumps are useful in industrial applications. However, they are not perfect and have some drawbacks. One of them is that their output is limited by the vacuum hose. Vacuum hoses are the bottleneck for vacuum pump performance and evacuation rates. The hose must be kept free of water and organic matter to ensure the highest possible vacuum.
Dry vacuum pumps do not have these problems. They may be more cost-effective but will increase maintenance costs. Water consumption is another disadvantage. When pond water is used, the pump puts additional pressure on the treatment facility. Additionally, contaminants from the gas can become trapped in the water, shortening the life of the pump.
Another disadvantage of vacuum pumps is their limited operating time at low vacuum. Therefore, they are only suitable for extremely high vacuum levels. Diaphragm pumps are another option for industrial applications. They have a sealed fluid chamber that allows a moderate vacuum. They also feature short strokes and a low compression ratio, making them quieter than their reciprocating counterparts.
Vacuum pumps are used in many industrial and scientific processes. They can be used to transport hazardous materials or clear clogged drains. They are also used in rear doors and dump tanks. Certain types of vacuum pumps can cause fluid blockages, which can be harmful. The vacuum pump should also be well suited to the fluid in it to avoid contamination.
Another disadvantage is the lack of proper vacuum system testing equipment. Mechanics often underestimate the importance of a properly functioning vacuum system. Most stores lack the equipment needed for proper troubleshooting. Typically, mechanics rely on the cockpit vacuum gauge to determine if the pump is working properly.
Some vacuum pumps are capable of providing constant vacuum. These pumps are also capable of eliminating odors and spills. However, these advantages are outweighed by some disadvantages of vacuum pumps.

China 15ml 30ml 50ml 80ml 100ml 120ml luxury silver gold aluminum cosmetic spray airless dispenser pump frosted plastic bottle    China 15ml 30ml 50ml 80ml 100ml 120ml luxury silver gold aluminum cosmetic spray airless dispenser pump frosted plastic bottle
editor by czh2023-03-24

China 12V 24V DC Brushless Oil Free Vacuum Pump Low Noise 30Lmin Oil Free Vacuum Pump For Sale

Applicable Industries: Hotels, Garment Shops, Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Farms, Restaurant, Home Use, Retail, Food Shop, Printing Shops, Construction works , Sliding Glass Door Parts Electroplate Shower Door Rollers 4 pcs Bounce Wheel,4pcs Double Wheels Shower Cabin Wheel Pulley Energy & Mining, Food & Beverage Shops, Other, Advertising Company
Showroom Location: None
Condition: New
Type: PISTON, Piston
Configuration: PORTABLE
Power Source: DC Power
Lubrication Style: Oil-free
Mute: Yes
Model Number: HC30D2
Voltage: DC12V /15V /24V
Dimension(L*W*H): 155*61*109 mm
Weight: 1.6KG
Warranty: 2 Years
Working Pressure: 0.8 bar, 2 bar, 1 bar, 0.4 bar, 0.6 bar, Other
Air capacity: 30L/min
Machinery Test Report: Provided
Video outgoing-inspection: Provided
Marketing Type: Hot Product 2019
Warranty of core components: 2 years
Core Components: Engine, Motor
Gas Type: Air
After-sales Service Provided: online supports
Noise: ≤40dB(A)
Weght: 1.6kg
Product name: 2bar low noise small flow Medical Oxygen Compressor
Ambient air temperature: -5℃-+60℃
Speed: 1600rpm
Pressure: 2 bar
Certification: CE Certification
OEM: Welcomed
Packaging Details: 30pcs per strong carton box

Product Paramenter

NameDC brushless air compressor
Packing30pcs / carton
Weight1.6 kg
Air flow rate (L/min@bar)30L/min @ 0 bar 20 L/min @ 0.8 bar 30L/min @-85Kpa(vacuum)
Technical SpecificationVoltage : DC12V /15V /24V ; Maxium Pressure : 2bar ; Power: 30W ; bldc brushless motor with planetary gearbox,12v dc brushless electric motor 400w,high power bldc motor for electric vehicle Noise : ≤40dB(A) ; Speed: 1600rpm ; Temperature : -5℃-+60 ℃ withcontroller
Product Image Product video Product Advantages Recommend Products Company Profile FAQ Q.1: What’s your factory address ? May I visit your factory ? Our factory is located in HangZhou city, ZHangZhoug province, near to HangZhou, ZheJiang and HangZhou, about 2 hours by bus or train. Welcome to visit our factory.Q.2: When I get my products, is there anything I should pay attention to ?It need to clear the filter once every 2 months.When use it, it need to handle with care and pay more attention to waterproof.Q.3 : Can I buy the sample to test?We are pleased to send the samples for your evaluation.And the samples shipping freight can return back to you next bulk order .Q.4: Do you have test records of every pump?We will inspect products 3 times before shipment and every pump have the test records. We will keep these test records to our quality traceability system about 3-5 years.Test items : workmanship, air flow rate, power, Combine Harvester Gearbox LQ60 pressure, current, noise, vibration , temperature and durability etc.Q.5: How long is the life of the your pump?“Quality is our culture”, our compressor with long life (20000 hours ) and high quality ( stable air flow, import spare parts, high workmanship etc )..Q.6: What’s your warranty?Our warranty is 2 years.It means that if our machine has any problems within 2 years, we will send you new 1 or free spare parts for your replacement. Q.7: Question : How many years of your factory? Our factory has the production experience more than 20 years. We make main spare parts of compressor by ourselves (include the motor), so we can control the compressor quality very wellQ.8: Question: Can you produce products same/ similar with mine?We have professional and experienced R & Intelligent control best price electric self priming pressure automatic hot cold water booster pump for housegeneral home use D team, so we can better serve customers to achieve high-end customization and development. We accept the ODM and OEM.

Types of vacuum pumps

A vacuum pump is a device that pulls gas molecules out of a sealed volume and maintains a partial vacuum. Its job is to create a relative vacuum within its capabilities. Several types of vacuum pumps are available, including scroll and rotary piston models. Each has its own characteristics and uses. To learn more, read this article.
Vacuum Pump

Screw Pump

Screw vacuum pumps use a mechanical screw to move an air or gas chamber to the axial housing wall. The movement of the chamber reduces the volume of gas, which is pre-compressed before being expelled through the pressure connection. These pumps can be single-pitch models or variable-pitch models. Variable pitch models feature variable pitch rotors that help distribute heat loads evenly across the rotor. Some models also include a thermostatic control valve that shuts off the pump if the water temperature gets too high. Screw vacuum pumps are available in single-ended or double-ended designs. Single-ended and double-ended screw pumps provide up to 3.7 x 10-4 Torr and an ultimate vacuum of 900 m3/h (560 cfm), which is sufficient for many industrial processes. Progressive cavity pumps are particularly suitable for vapor compression applications. These pumps also have an internal rotor to minimize layer formation. Combined with air cooling, they are suitable for use in hazardous environments. In addition, the screw rotor design prevents the build-up of substances in the pump cavity that could react with high temperatures. These pumps are also easily removable for quick cleaning. Screw vacuum pumps are also designed for low cost and minimal maintenance. Agknx screw vacuum pumps are designed in Germany and are very reliable and economical. Pump performance depends on cooling system and temperature. The temperature of the water used should be kept within a certain range, otherwise the pump may overheat and fail. Screw vacuum pumps are often used in scientific experiments. They are standard main pumps in large storage rings, gravitational wave detectors, and space simulation chambers. One of the largest ultra-high vacuum chambers in the world is made of screw vacuum pumps. An example is the KATRIN experiment. There are two types of screw vacuum pumps: oil-sealed and dry. Oil-sealed screw pumps use oil as a sealant and coolant. They are suitable for demanding vacuum applications such as woodworking and plastics processing. Dry screw pumps have an air-cooled chamber, and they can achieve higher vacuum levels than oil-sealed pumps.

Rotary Piston Vacuum Pumps

Rotary Piston Vacuum Pumps provide the rugged performance essential for applications requiring vacuum. They can deliver flow rates up to 1280 acfm and reach deep vacuum levels up to 0.0004 Torr. They are available in single-stage and two-stage models. The report also provides detailed information about the key players, their financial status, and business overview. A rotary piston vacuum pump is a versatile and affordable vacuum device. They are available in single-stage and two-stage configurations with higher capacity and higher vacuum. They can be easily maintained by an in-house maintenance team or by a local third-party service shop. Pump manufacturers can also provide services. Rotary piston vacuum pumps are available in single-stage and compound designs. They are ideal for a variety of applications. Their high-performance design enables them to operate at any pressure up to atmospheric pressure. They also have no metal-to-metal contact, which makes them ideal for dirty applications. Whether you need a pump that can operate at high or low pressure, a rotary piston vacuum pump is an excellent choice. When purchasing a rotary piston vacuum pump, it is important to choose a manufacturer with a reputation for providing high-quality service and repairs. In addition to the high quality of the pump, you also need to ensure its availability. You should also consider the cost and quality of the part. A good vacuum pump company should also provide technical support, service support and accessories. Oil-free pumps are a popular choice for laboratories, clean rooms and confined rooms. Their high-quality parts are made from lightweight, corrosion-resistant and specially formulated polymers. Oil-free pumps can handle high levels of air moisture and are excellent at removing contaminants. However, they are not suitable for applications containing organic vapors or acids. Atlas Copco’s GLS rotary piston pumps are a popular choice for industrial vacuum applications. Its space-saving design makes it an ideal solution for harsh environments. It is also very reliable and has low lifecycle costs. It has an automatic lubrication system and water mizer to minimize water consumption.
Vacuum Pump

Scroll Vacuum Pumps

<br Scroll Vacuum Pumps can be used to pump air, gases, and other fluids. They are suitable for creating a vacuum in transfer chambers, mass spectrometers, and load lock chambers. They are also ideal for helium leak detectors and other analytical equipment. Scroll vacuum pumps are available in a variety of models, including the diaphragm, turbine, and oil-dry scroll models. They are used in a variety of industries, including the semiconductor, biotechnology, and pharmaceutical industries. Flexible and durable oil-free scroll vacuum pumps are an excellent choice for light industrial, general laboratory, and research applications. They also offer several advantages over other vacuum pumps, including low operating costs and environmental sustainability. Scroll vacuum pumps do not require oil, which is a big advantage in terms of cost. Scroll vacuum pumps are also quieter. Scroll vacuum pumps are designed for low, medium, and high vacuum systems. They create a high vacuum and cannot tolerate particles. Although they are relatively small, they are ideal for vacuum laboratory applications and are also suitable for dry vacuum pumping. They can be combined with chemically resistant PTFE components, making them more suitable for chemical applications. Scroll vacuum pumps feature a unique design that makes them very versatile and efficient. The pump has two helical structures, one is fixed and the other is rotating, which can effectively pump gas and liquid. When the rotor begins to move, the gas is compressed slightly and then flows through the system to the exhaust port. Scroll vacuum pumps are efficient, oil-free and compact. Known for their high tolerance to the atmosphere, they feature sensorless INFORM(r) control to minimize noise and vibration. These vacuum pumps are ideal for low to medium flow applications including analytical equipment, freeze dryers, vacuum coaters and mass spectrometers. The most important advantage of a scroll vacuum pump is its reliability. They can be used for three years or more without problems and are easy to maintain. With proper maintenance, they can reduce repair costs.
Vacuum Pump

Diaphragm vacuum pumps

Diaphragm vacuum pumps are used in a variety of industrial processes. These pumps use an elastic diaphragm fixed around the outer diameter. They are efficient and can handle most types of liquids. They are commonly used for dewatering, filling and water removal. These pumps are easy to maintain. Diaphragm vacuum pumps are available in a variety of sizes and power outputs. Oil-free diaphragm vacuum pumps do not require oil, lubrication and cooling. These pumps are compatible with many types of laboratory equipment. Diaphragm vacuum pumps are equipped with dual voltage motors and DC drives for greater flexibility and durability. Diaphragm vacuum pumps can achieve higher vacuum levels than rotary vane pumps. They are more efficient than diaphragm pumps. They do not require oil and require less maintenance than their rotary vane counterparts. However, the diaphragms of these pumps may need to be replaced every few years. Diaphragm vacuum pumps are the most popular type of vacuum pump and can be used for a variety of applications. They can be used for everyday work and can be large enough to be used in a vacuum oven or rotary evaporator. Diaphragm vacuum pumps use pulsed motion to move air. They eliminate the need for oil and are highly chemical and steam resistant. They can handle a wide variety of samples, including high viscosity liquids. Diaphragm vacuum pumps are generally smaller than other types of vacuum pumps. Scroll pumps are made of metal and are generally recommended for solvent and water samples. They are not recommended for high acid samples. However, they are suitable for freeze drying. They can also be used for concentration applications. In this way, they have greater displacement capacity and can reach higher ultimate vacuum levels.

China 12V 24V DC Brushless Oil Free Vacuum Pump Low Noise 30Lmin Oil Free Vacuum Pump For Sale    China 12V 24V DC Brushless Oil Free Vacuum Pump Low Noise 30Lmin Oil Free Vacuum Pump For Sale
editor by czh2023-03-22

China Custom EPRV WORM GEAR REDUCER near me shop

Descriptions of EPRV Worm Gearbox

EPRV worm gearbox adopts a “square box” structure and adopts a large-good quality aluminum alloy casting box. It has a gorgeous visual appeal, modest volume, quick warmth dissipation, and adaptable installation. The complete machine adopts higher-top quality bearing transmission areas and seals to ensure longevity and no leakage. A lot more importantly, the worm equipment pair adopts precision machining and precision meshing detection to ensure the harmony of equipment transmission, lower-temperature increase, reduced sounds, higher efficiency, and long services lifestyle. In addition, the enter and output factors of the EPRV worm gearbox are precision machined, and the complete device is rust-free of charge and large-grade. Geared up with a worm gear reducer, the output velocity can be adjusted beneath the load to attain step-significantly less variable velocity output. The producing normal of the EPRV worm gearbox is based on the countrywide standard GBl0085-88 cylindrical worm to make certain outstanding overall performance.

Rewards of EPRV Worm Gearbox

  • Fast quit perform

For a general equipment reducer, it takes 5 to 10 seconds for the end time, but for the EPRV series, the cease point out could be reached in only 2 to 5 seconds.

  • High basic safety

The EPRV worm gearbox adopts a various way in comparison to the conventional 1 in that it doesn’t need to have the sprocket and pulley. What is more, the transmission composition is not exposed, so the injuries of the operator could be diminished.

  • Very good security

Quality IP55 is adopted, which has good isolation for dust and humidity.

  • Exceptional thermal conductivity

The EPRV worm equipment is outfitted with cooling ribs so that the entire body has exceptional thermal conductivity and low temperature-climbing.

  • Prolonged services daily life

The worm gearbox operates effortlessly with low sounds, which is suited for long-term speak to work in harsh environments.


The EPRV worm gearboxes are commonly used in the automation sector, industrial robots, aerospace, CNC device tools, metallurgical mining, beer and beverage, tobacco light sector, environmental engineering, warehousing logistics, plastics machinery, lifting transportation, a few-dimensional parking, car manufacturing, textiles, foodstuff, ceramics, and other fields.

Operating conditions

  1. The EPRV worm gearbox has great versatility and is utilised with numerous mechanical gear.
  2. A bigger transmission ratio could be accomplished by a solitary-phase transmission. Most types of pace reducers have a excellent self-locking capability, and mechanical units with braking requirements can save braking units.
  3. The meshing friction reduction of the worm screw enamel and the floor of the worm equipment tooth is massive, so the transmission effectiveness need to be decrease than that of the equipment.
  4. The EPRV worm gearbox has substantial specifications for lubrication and cooling.


  1. Before use, remember to verify that the turbine reducer and the mechanical safety supporting strength are inside of the secure range of the functionality parameters of the reducer.
  2. The turbine gearbox has been filled with WA460 lubricant at the factory. After four hundred hrs of procedure, the lubricant ought to be replaced. The oil modify cycle is about 4000 hours later.
  3. The reducer casing human body need to keep adequate lubricating oil, and regularly examine the quantity of oil.
  4. Stay away from injury to the gearbox induced by sharp shaft harm brought on by sharp products
  5. Examine the path of rotation prior to putting in the equipment.
  6. Established a basic safety include, and so on., in the rotation region.

Sign of Model Quantities of EPRV Worm Gearbox

Catalog of EPRV Worm Gearbox

Simply click and examine out far more merchandise you are searching for.

Why choose us

1. Wide assortment of reducers

Our firm delivers the widest range of normal and customized solutions for apps in motion management and mechanical transmission. We supply precision inline planetary gearboxes and right angle planetary gearboxes, 90 degree correct angle servo motor gearboxes, harmonic travel gearboxes, RV reducers for robots, ground precision racks, and pinions, servo motors, stepper motors, brushless motor,s, etc. The company can also supply worm gear reducers, equipment motors, screw jacks, steering gears, and other associated reducer gearboxes and equipment. This signifies you can get what you want appropriate right here and reward from our 1-stop services, conserving you time and money.

two. Eye-catching value and best manufacturer good quality

We provide our buyers really desirable costs with excellent top quality. In contrast with other companies’ gearboxes, our precision planetary gearboxes feature low backlash (2-8 arcmin), large effectiveness (≥95%), and minimal noise (60dBA). All servo gearboxes produced by our well-known brand will be strictly inspected and examined before leaving the factory. In addition, we give consumers with a one particular-12 months warranty and life time soon after-sales services.

three. All-spherical expert technical assistance

Do not be concerned if you don’t know how to decide on the proper transmission for your device. We have a specialist technological crew to serve you. As long as you stick to our methods, you are going to know how to decide on the proper dimensions. After picking the matching gearbox for your motor, we will send out you the corresponding CAD drawing for your inspection to steer clear of any mistakes. We also provide 24-hour specialized assistance if you have any other issues that want urgent resolution.

4. Provide tailored support

If you want a personalized gearbox for a exclusive software, we can give custom services according to your requirements. We will offer you with reputable, substantial-efficiency customized gearboxes from modest to big output torques. You should notify our product sales engineer your in depth needs and all the essential dimensions you want. The much more information you supply us, the more suited we can design a personalized transmission for you.

5. Fast delivery time

For most of the standard reducers, we have adequate inventory, which can be delivered to consumers in a quite limited time, resolve the issue of urgent alternative of ruined gearboxes on operating machines, and help save fees for buyers. Also, if a customer needs a gearbox of a specified dimensions urgently and we do not have it in stock, we can arrange priority creation, especially for you.

six. Alternate options to branded reducers

Most of our Precision Gearboxes can flawlessly match and exchange Apex Gearboxes, Dawn Gearboxes, Shimpo Gearboxes, Neugart Gearboxes, SPG Gearboxes, and Harmonic Generate Gearboxes, Boston Gearboxes, Bonfiglioli Gearboxes, and so forth. Merchandise variety. High top quality and low cost, 3F reducers, particularly the planetary gearbox and the harmonic generate equipment, are warmly welcomed by clients all above the globe.

edited by CX