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Vacuum Flask with Pump - Pumping mechanism makes Rang Dong’s vacuum flask an ideal product

October 2nd, 2023

Keeping a hot drink hot is important and it is especially challenging for a party or camping. Rang Dong, Vietnam’s leading manufacturer of vacuum flasks, has developed a product that can keep your large drink hot for more than 80 degrees Celsius after six hours, thanks to its special mechanism. It is RD 2045 TS.E - A Vacuum Flask with Pump.


A very good flask is in need if we wish to keep our drink hot for a long time. Rang Dong, a Hanoi-based leading thermos manufacturer, understands well the demand and has responded with a vacuum flask, model RD 2045 TS.E. Here are the three main factors to show why this vacuum flask with pump is the best choice for keep our drink hot or cold: Product feature, specification, and application.

Rang Dong has its latest product, the vacuum flask with pump RD 2045 TS.E.

The pump attached to the flask helps users easily take the liquid inside without having to lift the vacuum flask. It removes the potential risk that could break the glass refill inside.

Product feature:

  • Stylish, luxurious design;
  • High-quality glass refill;
  • 100% leak proof;
  • Comfortable single-handed operation;
  • Swivel base and easy to use;
  • Removal pump head for easy filling and cleaning.

The latest model has a modern and luxurious design.

With the modern and colorful design, the vacuum flask is marketed in many models to help customers choose their most preferred item.

Rang Dong’s vacuum flask 2045 TS.E is available in various colors.


  • Capacity: two liters (67.6 US fl.oz.)
  • Heat retention after six hours: 80˚C
  • Material: Iron body
  • Refill: Glass
  • Gasket: Silicone
  • Size(ØxH): 152 x 365 mm
  • Gross weight: 1.52 kg

Parts of Rang Dong’s flask model 2045 TS.E

The specifications above state that the thermos is designed to keep the heat at more than 80 degrees Celsius after six hours, a good feature for a big vacuum flask with a pump. The flask with an open mouth makes it easy for users to clean. The plug lid safe with silicone keeps the temperature of the drinks for a long time. Moreover, the pumping mechanism allows users to easily get the drink without having to raise the flask.


This product is ideal for hot or cold tea. It’s perfect for any going out activities as well as for home use. The nice design makes it suitable for table display.

Please be careful when using the product since its refill is made from glass. With a drop from a high place, this vacuum flask with a pump will make a good long service. 

Should you have any questions, wish to share your ideas about vacuum flasks or request a quotation, please send us an email to: export@rangdong.com.vn.

Our website: vacuumflask.rangdong.com.vn

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